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authorHolger Weiss <holger@zedat.fu-berlin.de>2013-08-19 23:27:12 +0200
committerHolger Weiss <holger@zedat.fu-berlin.de>2013-08-19 23:27:12 +0200
commit26fbe7f1e68bb0c96da32491efcf3696fe6c299b (patch)
treec4d95289187a64e9c7517bf73d8208026c3d2fb3 /gl/m4/printf.m4
parent5f79e3e9f62ca5487d9881973149136ba1d19d3e (diff)
downloadmonitoring-plugins-26fbe7f1e68bb0c96da32491efcf3696fe6c299b.tar.gz
Sync with the latest Gnulib code (6f2d632)
Diffstat (limited to 'gl/m4/printf.m4')
-rw-r--r--gl/m4/printf.m41044
1 files changed, 599 insertions, 445 deletions
diff --git a/gl/m4/printf.m4 b/gl/m4/printf.m4
index b31efe3e..ef44f785 100644
--- a/gl/m4/printf.m4
+++ b/gl/m4/printf.m4
@@ -1,5 +1,5 @@
1# printf.m4 serial 34 1# printf.m4 serial 50
2dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc. 2dnl Copyright (C) 2003, 2007-2013 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation 3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it, 4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved. 5dnl with or without modifications, as long as this notice is preserved.
@@ -17,7 +17,8 @@ AC_DEFUN([gl_PRINTF_SIZES_C99],
17 AC_CACHE_CHECK([whether printf supports size specifiers as in C99], 17 AC_CACHE_CHECK([whether printf supports size specifiers as in C99],
18 [gl_cv_func_printf_sizes_c99], 18 [gl_cv_func_printf_sizes_c99],
19 [ 19 [
20 AC_TRY_RUN([ 20 AC_RUN_IFELSE(
21 [AC_LANG_SOURCE([[
21#include <stddef.h> 22#include <stddef.h>
22#include <stdio.h> 23#include <stdio.h>
23#include <string.h> 24#include <string.h>
@@ -31,53 +32,56 @@ AC_DEFUN([gl_PRINTF_SIZES_C99],
31static char buf[100]; 32static char buf[100];
32int main () 33int main ()
33{ 34{
35 int result = 0;
34#if HAVE_STDINT_H_WITH_UINTMAX || HAVE_INTTYPES_H_WITH_UINTMAX 36#if HAVE_STDINT_H_WITH_UINTMAX || HAVE_INTTYPES_H_WITH_UINTMAX
35 buf[0] = '\0'; 37 buf[0] = '\0';
36 if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0 38 if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0
37 || strcmp (buf, "12345671 33") != 0) 39 || strcmp (buf, "12345671 33") != 0)
38 return 1; 40 result |= 1;
39#endif 41#endif
40 buf[0] = '\0'; 42 buf[0] = '\0';
41 if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0 43 if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0
42 || strcmp (buf, "12345672 33") != 0) 44 || strcmp (buf, "12345672 33") != 0)
43 return 1; 45 result |= 2;
44 buf[0] = '\0'; 46 buf[0] = '\0';
45 if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0 47 if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0
46 || strcmp (buf, "12345673 33") != 0) 48 || strcmp (buf, "12345673 33") != 0)
47 return 1; 49 result |= 4;
48 buf[0] = '\0'; 50 buf[0] = '\0';
49 if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0 51 if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0
50 || strcmp (buf, "1.5 33") != 0) 52 || strcmp (buf, "1.5 33") != 0)
51 return 1; 53 result |= 8;
52 return 0; 54 return result;
53}], [gl_cv_func_printf_sizes_c99=yes], [gl_cv_func_printf_sizes_c99=no], 55}]])],
54 [ 56 [gl_cv_func_printf_sizes_c99=yes],
57 [gl_cv_func_printf_sizes_c99=no],
58 [
55changequote(,)dnl 59changequote(,)dnl
56 case "$host_os" in 60 case "$host_os" in
57 # Guess yes on glibc systems. 61 # Guess yes on glibc systems.
58 *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";; 62 *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";;
59 # Guess yes on FreeBSD >= 5. 63 # Guess yes on FreeBSD >= 5.
60 freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";; 64 freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";;
61 freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";; 65 freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
62 # Guess yes on MacOS X >= 10.3. 66 # Guess yes on Mac OS X >= 10.3.
63 darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";; 67 darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";;
64 darwin*) gl_cv_func_printf_sizes_c99="guessing yes";; 68 darwin*) gl_cv_func_printf_sizes_c99="guessing yes";;
65 # Guess yes on OpenBSD >= 3.9. 69 # Guess yes on OpenBSD >= 3.9.
66 openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) 70 openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
67 gl_cv_func_printf_sizes_c99="guessing no";; 71 gl_cv_func_printf_sizes_c99="guessing no";;
68 openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; 72 openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
69 # Guess yes on Solaris >= 2.10. 73 # Guess yes on Solaris >= 2.10.
70 solaris2.[0-9]*) gl_cv_func_printf_sizes_c99="guessing no";; 74 solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
71 solaris*) gl_cv_func_printf_sizes_c99="guessing yes";; 75 solaris*) gl_cv_func_printf_sizes_c99="guessing no";;
72 # Guess yes on NetBSD >= 3. 76 # Guess yes on NetBSD >= 3.
73 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) 77 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
74 gl_cv_func_printf_sizes_c99="guessing no";; 78 gl_cv_func_printf_sizes_c99="guessing no";;
75 netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; 79 netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
76 # If we don't know, assume the worst. 80 # If we don't know, assume the worst.
77 *) gl_cv_func_printf_sizes_c99="guessing no";; 81 *) gl_cv_func_printf_sizes_c99="guessing no";;
78 esac 82 esac
79changequote([,])dnl 83changequote([,])dnl
80 ]) 84 ])
81 ]) 85 ])
82]) 86])
83 87
@@ -92,35 +96,39 @@ AC_DEFUN([gl_PRINTF_LONG_DOUBLE],
92 AC_CACHE_CHECK([whether printf supports 'long double' arguments], 96 AC_CACHE_CHECK([whether printf supports 'long double' arguments],
93 [gl_cv_func_printf_long_double], 97 [gl_cv_func_printf_long_double],
94 [ 98 [
95 AC_TRY_RUN([ 99 AC_RUN_IFELSE(
100 [AC_LANG_SOURCE([[
96#include <stdio.h> 101#include <stdio.h>
97#include <string.h> 102#include <string.h>
98static char buf[10000]; 103static char buf[10000];
99int main () 104int main ()
100{ 105{
106 int result = 0;
101 buf[0] = '\0'; 107 buf[0] = '\0';
102 if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0 108 if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
103 || strcmp (buf, "1.750000 33") != 0) 109 || strcmp (buf, "1.750000 33") != 0)
104 return 1; 110 result |= 1;
105 buf[0] = '\0'; 111 buf[0] = '\0';
106 if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0 112 if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
107 || strcmp (buf, "1.750000e+00 33") != 0) 113 || strcmp (buf, "1.750000e+00 33") != 0)
108 return 1; 114 result |= 2;
109 buf[0] = '\0'; 115 buf[0] = '\0';
110 if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0 116 if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
111 || strcmp (buf, "1.75 33") != 0) 117 || strcmp (buf, "1.75 33") != 0)
112 return 1; 118 result |= 4;
113 return 0; 119 return result;
114}], [gl_cv_func_printf_long_double=yes], [gl_cv_func_printf_long_double=no], 120}]])],
115 [ 121 [gl_cv_func_printf_long_double=yes],
122 [gl_cv_func_printf_long_double=no],
123 [
116changequote(,)dnl 124changequote(,)dnl
117 case "$host_os" in 125 case "$host_os" in
118 beos*) gl_cv_func_printf_long_double="guessing no";; 126 beos*) gl_cv_func_printf_long_double="guessing no";;
119 mingw* | pw*) gl_cv_func_printf_long_double="guessing no";; 127 mingw* | pw*) gl_cv_func_printf_long_double="guessing no";;
120 *) gl_cv_func_printf_long_double="guessing yes";; 128 *) gl_cv_func_printf_long_double="guessing yes";;
121 esac 129 esac
122changequote([,])dnl 130changequote([,])dnl
123 ]) 131 ])
124 ]) 132 ])
125]) 133])
126 134
@@ -136,7 +144,8 @@ AC_DEFUN([gl_PRINTF_INFINITE],
136 AC_CACHE_CHECK([whether printf supports infinite 'double' arguments], 144 AC_CACHE_CHECK([whether printf supports infinite 'double' arguments],
137 [gl_cv_func_printf_infinite], 145 [gl_cv_func_printf_infinite],
138 [ 146 [
139 AC_TRY_RUN([ 147 AC_RUN_IFELSE(
148 [AC_LANG_SOURCE([[
140#include <stdio.h> 149#include <stdio.h>
141#include <string.h> 150#include <string.h>
142static int 151static int
@@ -168,65 +177,68 @@ static char buf[10000];
168static double zero = 0.0; 177static double zero = 0.0;
169int main () 178int main ()
170{ 179{
171 if (sprintf (buf, "%f", 1.0 / 0.0) < 0 180 int result = 0;
181 if (sprintf (buf, "%f", 1.0 / zero) < 0
172 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) 182 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
173 return 1; 183 result |= 1;
174 if (sprintf (buf, "%f", -1.0 / 0.0) < 0 184 if (sprintf (buf, "%f", -1.0 / zero) < 0
175 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) 185 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
176 return 1; 186 result |= 1;
177 if (sprintf (buf, "%f", zero / zero) < 0 187 if (sprintf (buf, "%f", zero / zero) < 0
178 || !strisnan (buf, 0, strlen (buf))) 188 || !strisnan (buf, 0, strlen (buf)))
179 return 1; 189 result |= 2;
180 if (sprintf (buf, "%e", 1.0 / 0.0) < 0 190 if (sprintf (buf, "%e", 1.0 / zero) < 0
181 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) 191 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
182 return 1; 192 result |= 4;
183 if (sprintf (buf, "%e", -1.0 / 0.0) < 0 193 if (sprintf (buf, "%e", -1.0 / zero) < 0
184 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) 194 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
185 return 1; 195 result |= 4;
186 if (sprintf (buf, "%e", zero / zero) < 0 196 if (sprintf (buf, "%e", zero / zero) < 0
187 || !strisnan (buf, 0, strlen (buf))) 197 || !strisnan (buf, 0, strlen (buf)))
188 return 1; 198 result |= 8;
189 if (sprintf (buf, "%g", 1.0 / 0.0) < 0 199 if (sprintf (buf, "%g", 1.0 / zero) < 0
190 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) 200 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
191 return 1; 201 result |= 16;
192 if (sprintf (buf, "%g", -1.0 / 0.0) < 0 202 if (sprintf (buf, "%g", -1.0 / zero) < 0
193 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) 203 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
194 return 1; 204 result |= 16;
195 if (sprintf (buf, "%g", zero / zero) < 0 205 if (sprintf (buf, "%g", zero / zero) < 0
196 || !strisnan (buf, 0, strlen (buf))) 206 || !strisnan (buf, 0, strlen (buf)))
197 return 1; 207 result |= 32;
198 /* This test fails on HP-UX 10.20. */ 208 /* This test fails on HP-UX 10.20. */
199 if (have_minus_zero ()) 209 if (have_minus_zero ())
200 if (sprintf (buf, "%g", - zero) < 0 210 if (sprintf (buf, "%g", - zero) < 0
201 || strcmp (buf, "-0") != 0) 211 || strcmp (buf, "-0") != 0)
202 return 1; 212 result |= 64;
203 return 0; 213 return result;
204}], [gl_cv_func_printf_infinite=yes], [gl_cv_func_printf_infinite=no], 214}]])],
205 [ 215 [gl_cv_func_printf_infinite=yes],
216 [gl_cv_func_printf_infinite=no],
217 [
206changequote(,)dnl 218changequote(,)dnl
207 case "$host_os" in 219 case "$host_os" in
208 # Guess yes on glibc systems. 220 # Guess yes on glibc systems.
209 *-gnu*) gl_cv_func_printf_infinite="guessing yes";; 221 *-gnu*) gl_cv_func_printf_infinite="guessing yes";;
210 # Guess yes on FreeBSD >= 6. 222 # Guess yes on FreeBSD >= 6.
211 freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";; 223 freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";;
212 freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";; 224 freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
213 # Guess yes on MacOS X >= 10.3. 225 # Guess yes on Mac OS X >= 10.3.
214 darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";; 226 darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";;
215 darwin*) gl_cv_func_printf_infinite="guessing yes";; 227 darwin*) gl_cv_func_printf_infinite="guessing yes";;
216 # Guess yes on HP-UX >= 11. 228 # Guess yes on HP-UX >= 11.
217 hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";; 229 hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";;
218 hpux*) gl_cv_func_printf_infinite="guessing yes";; 230 hpux*) gl_cv_func_printf_infinite="guessing yes";;
219 # Guess yes on NetBSD >= 3. 231 # Guess yes on NetBSD >= 3.
220 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) 232 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
221 gl_cv_func_printf_infinite="guessing no";; 233 gl_cv_func_printf_infinite="guessing no";;
222 netbsd*) gl_cv_func_printf_infinite="guessing yes";; 234 netbsd*) gl_cv_func_printf_infinite="guessing yes";;
223 # Guess yes on BeOS. 235 # Guess yes on BeOS.
224 beos*) gl_cv_func_printf_infinite="guessing yes";; 236 beos*) gl_cv_func_printf_infinite="guessing yes";;
225 # If we don't know, assume the worst. 237 # If we don't know, assume the worst.
226 *) gl_cv_func_printf_infinite="guessing no";; 238 *) gl_cv_func_printf_infinite="guessing no";;
227 esac 239 esac
228changequote([,])dnl 240changequote([,])dnl
229 ]) 241 ])
230 ]) 242 ])
231]) 243])
232 244
@@ -239,6 +251,7 @@ AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE],
239 AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) 251 AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
240 AC_REQUIRE([AC_PROG_CC]) 252 AC_REQUIRE([AC_PROG_CC])
241 AC_REQUIRE([gl_BIGENDIAN]) 253 AC_REQUIRE([gl_BIGENDIAN])
254 AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
242 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles 255 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
243 dnl The user can set or unset the variable gl_printf_safe to indicate 256 dnl The user can set or unset the variable gl_printf_safe to indicate
244 dnl that he wishes a safe handling of non-IEEE-754 'long double' values. 257 dnl that he wishes a safe handling of non-IEEE-754 'long double' values.
@@ -252,7 +265,8 @@ AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE],
252 AC_CACHE_CHECK([whether printf supports infinite 'long double' arguments], 265 AC_CACHE_CHECK([whether printf supports infinite 'long double' arguments],
253 [gl_cv_func_printf_infinite_long_double], 266 [gl_cv_func_printf_infinite_long_double],
254 [ 267 [
255 AC_TRY_RUN([ 268 AC_RUN_IFELSE(
269 [AC_LANG_SOURCE([[
256]GL_NOCRASH[ 270]GL_NOCRASH[
257#include <float.h> 271#include <float.h>
258#include <stdio.h> 272#include <stdio.h>
@@ -279,35 +293,36 @@ static char buf[10000];
279static long double zeroL = 0.0L; 293static long double zeroL = 0.0L;
280int main () 294int main ()
281{ 295{
296 int result = 0;
282 nocrash_init(); 297 nocrash_init();
283 if (sprintf (buf, "%Lf", 1.0L / 0.0L) < 0 298 if (sprintf (buf, "%Lf", 1.0L / zeroL) < 0
284 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) 299 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
285 return 1; 300 result |= 1;
286 if (sprintf (buf, "%Lf", -1.0L / 0.0L) < 0 301 if (sprintf (buf, "%Lf", -1.0L / zeroL) < 0
287 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) 302 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
288 return 1; 303 result |= 1;
289 if (sprintf (buf, "%Lf", zeroL / zeroL) < 0 304 if (sprintf (buf, "%Lf", zeroL / zeroL) < 0
290 || !strisnan (buf, 0, strlen (buf))) 305 || !strisnan (buf, 0, strlen (buf)))
291 return 1; 306 result |= 1;
292 if (sprintf (buf, "%Le", 1.0L / 0.0L) < 0 307 if (sprintf (buf, "%Le", 1.0L / zeroL) < 0
293 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) 308 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
294 return 1; 309 result |= 1;
295 if (sprintf (buf, "%Le", -1.0L / 0.0L) < 0 310 if (sprintf (buf, "%Le", -1.0L / zeroL) < 0
296 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) 311 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
297 return 1; 312 result |= 1;
298 if (sprintf (buf, "%Le", zeroL / zeroL) < 0 313 if (sprintf (buf, "%Le", zeroL / zeroL) < 0
299 || !strisnan (buf, 0, strlen (buf))) 314 || !strisnan (buf, 0, strlen (buf)))
300 return 1; 315 result |= 1;
301 if (sprintf (buf, "%Lg", 1.0L / 0.0L) < 0 316 if (sprintf (buf, "%Lg", 1.0L / zeroL) < 0
302 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) 317 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
303 return 1; 318 result |= 1;
304 if (sprintf (buf, "%Lg", -1.0L / 0.0L) < 0 319 if (sprintf (buf, "%Lg", -1.0L / zeroL) < 0
305 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) 320 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
306 return 1; 321 result |= 1;
307 if (sprintf (buf, "%Lg", zeroL / zeroL) < 0 322 if (sprintf (buf, "%Lg", zeroL / zeroL) < 0
308 || !strisnan (buf, 0, strlen (buf))) 323 || !strisnan (buf, 0, strlen (buf)))
309 return 1; 324 result |= 1;
310#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) 325#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
311/* Representation of an 80-bit 'long double' as an initializer for a sequence 326/* Representation of an 80-bit 'long double' as an initializer for a sequence
312 of 'unsigned int' words. */ 327 of 'unsigned int' words. */
313# ifdef WORDS_BIGENDIAN 328# ifdef WORDS_BIGENDIAN
@@ -325,13 +340,13 @@ int main ()
325 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; 340 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
326 if (sprintf (buf, "%Lf", x.value) < 0 341 if (sprintf (buf, "%Lf", x.value) < 0
327 || !strisnan (buf, 0, strlen (buf))) 342 || !strisnan (buf, 0, strlen (buf)))
328 return 1; 343 result |= 2;
329 if (sprintf (buf, "%Le", x.value) < 0 344 if (sprintf (buf, "%Le", x.value) < 0
330 || !strisnan (buf, 0, strlen (buf))) 345 || !strisnan (buf, 0, strlen (buf)))
331 return 1; 346 result |= 2;
332 if (sprintf (buf, "%Lg", x.value) < 0 347 if (sprintf (buf, "%Lg", x.value) < 0
333 || !strisnan (buf, 0, strlen (buf))) 348 || !strisnan (buf, 0, strlen (buf)))
334 return 1; 349 result |= 2;
335 } 350 }
336 { 351 {
337 /* Signalling NaN. */ 352 /* Signalling NaN. */
@@ -339,113 +354,106 @@ int main ()
339 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; 354 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
340 if (sprintf (buf, "%Lf", x.value) < 0 355 if (sprintf (buf, "%Lf", x.value) < 0
341 || !strisnan (buf, 0, strlen (buf))) 356 || !strisnan (buf, 0, strlen (buf)))
342 return 1; 357 result |= 2;
343 if (sprintf (buf, "%Le", x.value) < 0 358 if (sprintf (buf, "%Le", x.value) < 0
344 || !strisnan (buf, 0, strlen (buf))) 359 || !strisnan (buf, 0, strlen (buf)))
345 return 1; 360 result |= 2;
346 if (sprintf (buf, "%Lg", x.value) < 0 361 if (sprintf (buf, "%Lg", x.value) < 0
347 || !strisnan (buf, 0, strlen (buf))) 362 || !strisnan (buf, 0, strlen (buf)))
348 return 1; 363 result |= 2;
349 } 364 }
350 { /* Pseudo-NaN. */ 365 { /* Pseudo-NaN. */
351 static union { unsigned int word[4]; long double value; } x = 366 static union { unsigned int word[4]; long double value; } x =
352 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; 367 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
353 if (sprintf (buf, "%Lf", x.value) < 0 368 if (sprintf (buf, "%Lf", x.value) < 0
354 || !strisnan (buf, 0, strlen (buf))) 369 || !strisnan (buf, 0, strlen (buf)))
355 return 1; 370 result |= 4;
356 if (sprintf (buf, "%Le", x.value) < 0 371 if (sprintf (buf, "%Le", x.value) < 0
357 || !strisnan (buf, 0, strlen (buf))) 372 || !strisnan (buf, 0, strlen (buf)))
358 return 1; 373 result |= 4;
359 if (sprintf (buf, "%Lg", x.value) < 0 374 if (sprintf (buf, "%Lg", x.value) < 0
360 || !strisnan (buf, 0, strlen (buf))) 375 || !strisnan (buf, 0, strlen (buf)))
361 return 1; 376 result |= 4;
362 } 377 }
363 { /* Pseudo-Infinity. */ 378 { /* Pseudo-Infinity. */
364 static union { unsigned int word[4]; long double value; } x = 379 static union { unsigned int word[4]; long double value; } x =
365 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; 380 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
366 if (sprintf (buf, "%Lf", x.value) < 0 381 if (sprintf (buf, "%Lf", x.value) < 0
367 || !strisnan (buf, 0, strlen (buf))) 382 || !strisnan (buf, 0, strlen (buf)))
368 return 1; 383 result |= 8;
369 if (sprintf (buf, "%Le", x.value) < 0 384 if (sprintf (buf, "%Le", x.value) < 0
370 || !strisnan (buf, 0, strlen (buf))) 385 || !strisnan (buf, 0, strlen (buf)))
371 return 1; 386 result |= 8;
372 if (sprintf (buf, "%Lg", x.value) < 0 387 if (sprintf (buf, "%Lg", x.value) < 0
373 || !strisnan (buf, 0, strlen (buf))) 388 || !strisnan (buf, 0, strlen (buf)))
374 return 1; 389 result |= 8;
375 } 390 }
376 { /* Pseudo-Zero. */ 391 { /* Pseudo-Zero. */
377 static union { unsigned int word[4]; long double value; } x = 392 static union { unsigned int word[4]; long double value; } x =
378 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; 393 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
379 if (sprintf (buf, "%Lf", x.value) < 0 394 if (sprintf (buf, "%Lf", x.value) < 0
380 || !strisnan (buf, 0, strlen (buf))) 395 || !strisnan (buf, 0, strlen (buf)))
381 return 1; 396 result |= 16;
382 if (sprintf (buf, "%Le", x.value) < 0 397 if (sprintf (buf, "%Le", x.value) < 0
383 || !strisnan (buf, 0, strlen (buf))) 398 || !strisnan (buf, 0, strlen (buf)))
384 return 1; 399 result |= 16;
385 if (sprintf (buf, "%Lg", x.value) < 0 400 if (sprintf (buf, "%Lg", x.value) < 0
386 || !strisnan (buf, 0, strlen (buf))) 401 || !strisnan (buf, 0, strlen (buf)))
387 return 1; 402 result |= 16;
388 } 403 }
389 { /* Unnormalized number. */ 404 { /* Unnormalized number. */
390 static union { unsigned int word[4]; long double value; } x = 405 static union { unsigned int word[4]; long double value; } x =
391 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; 406 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
392 if (sprintf (buf, "%Lf", x.value) < 0 407 if (sprintf (buf, "%Lf", x.value) < 0
393 || !strisnan (buf, 0, strlen (buf))) 408 || !strisnan (buf, 0, strlen (buf)))
394 return 1; 409 result |= 32;
395 if (sprintf (buf, "%Le", x.value) < 0 410 if (sprintf (buf, "%Le", x.value) < 0
396 || !strisnan (buf, 0, strlen (buf))) 411 || !strisnan (buf, 0, strlen (buf)))
397 return 1; 412 result |= 32;
398 if (sprintf (buf, "%Lg", x.value) < 0 413 if (sprintf (buf, "%Lg", x.value) < 0
399 || !strisnan (buf, 0, strlen (buf))) 414 || !strisnan (buf, 0, strlen (buf)))
400 return 1; 415 result |= 32;
401 } 416 }
402 { /* Pseudo-Denormal. */ 417 { /* Pseudo-Denormal. */
403 static union { unsigned int word[4]; long double value; } x = 418 static union { unsigned int word[4]; long double value; } x =
404 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; 419 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
405 if (sprintf (buf, "%Lf", x.value) < 0 420 if (sprintf (buf, "%Lf", x.value) < 0
406 || !strisnan (buf, 0, strlen (buf))) 421 || !strisnan (buf, 0, strlen (buf)))
407 return 1; 422 result |= 64;
408 if (sprintf (buf, "%Le", x.value) < 0 423 if (sprintf (buf, "%Le", x.value) < 0
409 || !strisnan (buf, 0, strlen (buf))) 424 || !strisnan (buf, 0, strlen (buf)))
410 return 1; 425 result |= 64;
411 if (sprintf (buf, "%Lg", x.value) < 0 426 if (sprintf (buf, "%Lg", x.value) < 0
412 || !strisnan (buf, 0, strlen (buf))) 427 || !strisnan (buf, 0, strlen (buf)))
413 return 1; 428 result |= 64;
414 } 429 }
415#endif 430#endif
416 return 0; 431 return result;
417}], 432}]])],
418 [gl_cv_func_printf_infinite_long_double=yes], 433 [gl_cv_func_printf_infinite_long_double=yes],
419 [gl_cv_func_printf_infinite_long_double=no], 434 [gl_cv_func_printf_infinite_long_double=no],
420 [ 435 [
421changequote(,)dnl 436changequote(,)dnl
422 case "$host_cpu" in 437 case "$host_cpu" in
423 # Guess no on ia64, x86_64, i386. 438 # Guess no on ia64, x86_64, i386.
424 ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";; 439 ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";;
425 *) 440 *)
426 case "$host_os" in 441 case "$host_os" in
427 # Guess yes on glibc systems. 442 # Guess yes on glibc systems.
428 *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";; 443 *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";;
429 # Guess yes on FreeBSD >= 6. 444 # Guess yes on FreeBSD >= 6.
430 freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";; 445 freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";;
431 freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";; 446 freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
432 # Guess yes on MacOS X >= 10.3. 447 # Guess yes on HP-UX >= 11.
433 darwin[1-6].*) gl_cv_func_printf_infinite_long_double="guessing no";; 448 hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
434 darwin*) gl_cv_func_printf_infinite_long_double="guessing yes";; 449 hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";;
435 # Guess yes on HP-UX >= 11. 450 # If we don't know, assume the worst.
436 hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";; 451 *) gl_cv_func_printf_infinite_long_double="guessing no";;
437 hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";; 452 esac
438 # Guess yes on NetBSD >= 3. 453 ;;
439 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) 454 esac
440 gl_cv_func_printf_infinite_long_double="guessing no";;
441 netbsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
442 # If we don't know, assume the worst.
443 *) gl_cv_func_printf_infinite_long_double="guessing no";;
444 esac
445 ;;
446 esac
447changequote([,])dnl 455changequote([,])dnl
448 ]) 456 ])
449 ]) 457 ])
450 ;; 458 ;;
451 *) 459 *)
@@ -466,72 +474,77 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_A],
466 AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives], 474 AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives],
467 [gl_cv_func_printf_directive_a], 475 [gl_cv_func_printf_directive_a],
468 [ 476 [
469 AC_TRY_RUN([ 477 AC_RUN_IFELSE(
478 [AC_LANG_SOURCE([[
470#include <stdio.h> 479#include <stdio.h>
471#include <string.h> 480#include <string.h>
472static char buf[100]; 481static char buf[100];
482static double zero = 0.0;
473int main () 483int main ()
474{ 484{
485 int result = 0;
475 if (sprintf (buf, "%a %d", 3.1416015625, 33, 44, 55) < 0 486 if (sprintf (buf, "%a %d", 3.1416015625, 33, 44, 55) < 0
476 || (strcmp (buf, "0x1.922p+1 33") != 0 487 || (strcmp (buf, "0x1.922p+1 33") != 0
477 && strcmp (buf, "0x3.244p+0 33") != 0 488 && strcmp (buf, "0x3.244p+0 33") != 0
478 && strcmp (buf, "0x6.488p-1 33") != 0 489 && strcmp (buf, "0x6.488p-1 33") != 0
479 && strcmp (buf, "0xc.91p-2 33") != 0)) 490 && strcmp (buf, "0xc.91p-2 33") != 0))
480 return 1; 491 result |= 1;
481 if (sprintf (buf, "%A %d", -3.1416015625, 33, 44, 55) < 0 492 if (sprintf (buf, "%A %d", -3.1416015625, 33, 44, 55) < 0
482 || (strcmp (buf, "-0X1.922P+1 33") != 0 493 || (strcmp (buf, "-0X1.922P+1 33") != 0
483 && strcmp (buf, "-0X3.244P+0 33") != 0 494 && strcmp (buf, "-0X3.244P+0 33") != 0
484 && strcmp (buf, "-0X6.488P-1 33") != 0 495 && strcmp (buf, "-0X6.488P-1 33") != 0
485 && strcmp (buf, "-0XC.91P-2 33") != 0)) 496 && strcmp (buf, "-0XC.91P-2 33") != 0))
486 return 1; 497 result |= 2;
487 /* This catches a FreeBSD 6.1 bug: it doesn't round. */ 498 /* This catches a FreeBSD 6.1 bug: it doesn't round. */
488 if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0 499 if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0
489 || (strcmp (buf, "0x1.83p+0 33") != 0 500 || (strcmp (buf, "0x1.83p+0 33") != 0
490 && strcmp (buf, "0x3.05p-1 33") != 0 501 && strcmp (buf, "0x3.05p-1 33") != 0
491 && strcmp (buf, "0x6.0ap-2 33") != 0 502 && strcmp (buf, "0x6.0ap-2 33") != 0
492 && strcmp (buf, "0xc.14p-3 33") != 0)) 503 && strcmp (buf, "0xc.14p-3 33") != 0))
493 return 1; 504 result |= 4;
494 /* This catches a FreeBSD 6.1 bug. See 505 /* This catches a FreeBSD 6.1 bug. See
495 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */ 506 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
496 if (sprintf (buf, "%010a %d", 1.0 / 0.0, 33, 44, 55) < 0 507 if (sprintf (buf, "%010a %d", 1.0 / zero, 33, 44, 55) < 0
497 || buf[0] == '0') 508 || buf[0] == '0')
498 return 1; 509 result |= 8;
499 /* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */ 510 /* This catches a Mac OS X 10.3.9 (Darwin 7.9) bug. */
500 if (sprintf (buf, "%.1a", 1.999) < 0 511 if (sprintf (buf, "%.1a", 1.999) < 0
501 || (strcmp (buf, "0x1.0p+1") != 0 512 || (strcmp (buf, "0x1.0p+1") != 0
502 && strcmp (buf, "0x2.0p+0") != 0 513 && strcmp (buf, "0x2.0p+0") != 0
503 && strcmp (buf, "0x4.0p-1") != 0 514 && strcmp (buf, "0x4.0p-1") != 0
504 && strcmp (buf, "0x8.0p-2") != 0)) 515 && strcmp (buf, "0x8.0p-2") != 0))
505 return 1; 516 result |= 16;
506 /* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a 517 /* This catches the same Mac OS X 10.3.9 (Darwin 7.9) bug and also a
507 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */ 518 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
508 if (sprintf (buf, "%.1La", 1.999L) < 0 519 if (sprintf (buf, "%.1La", 1.999L) < 0
509 || (strcmp (buf, "0x1.0p+1") != 0 520 || (strcmp (buf, "0x1.0p+1") != 0
510 && strcmp (buf, "0x2.0p+0") != 0 521 && strcmp (buf, "0x2.0p+0") != 0
511 && strcmp (buf, "0x4.0p-1") != 0 522 && strcmp (buf, "0x4.0p-1") != 0
512 && strcmp (buf, "0x8.0p-2") != 0)) 523 && strcmp (buf, "0x8.0p-2") != 0))
513 return 1; 524 result |= 32;
514 return 0; 525 return result;
515}], [gl_cv_func_printf_directive_a=yes], [gl_cv_func_printf_directive_a=no], 526}]])],
516 [ 527 [gl_cv_func_printf_directive_a=yes],
517 case "$host_os" in 528 [gl_cv_func_printf_directive_a=no],
518 # Guess yes on glibc >= 2.5 systems. 529 [
519 *-gnu*) 530 case "$host_os" in
520 AC_EGREP_CPP([BZ2908], [ 531 # Guess yes on glibc >= 2.5 systems.
521 #include <features.h> 532 *-gnu*)
522 #ifdef __GNU_LIBRARY__ 533 AC_EGREP_CPP([BZ2908], [
523 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2) 534 #include <features.h>
524 BZ2908 535 #ifdef __GNU_LIBRARY__
525 #endif 536 #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)) && !defined __UCLIBC__
526 #endif 537 BZ2908
527 ], 538 #endif
528 [gl_cv_func_printf_directive_a="guessing yes"], 539 #endif
529 [gl_cv_func_printf_directive_a="guessing no"]) 540 ],
530 ;; 541 [gl_cv_func_printf_directive_a="guessing yes"],
531 # If we don't know, assume the worst. 542 [gl_cv_func_printf_directive_a="guessing no"])
532 *) gl_cv_func_printf_directive_a="guessing no";; 543 ;;
533 esac 544 # If we don't know, assume the worst.
534 ]) 545 *) gl_cv_func_printf_directive_a="guessing no";;
546 esac
547 ])
535 ]) 548 ])
536]) 549])
537 550
@@ -546,43 +559,48 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_F],
546 AC_CACHE_CHECK([whether printf supports the 'F' directive], 559 AC_CACHE_CHECK([whether printf supports the 'F' directive],
547 [gl_cv_func_printf_directive_f], 560 [gl_cv_func_printf_directive_f],
548 [ 561 [
549 AC_TRY_RUN([ 562 AC_RUN_IFELSE(
563 [AC_LANG_SOURCE([[
550#include <stdio.h> 564#include <stdio.h>
551#include <string.h> 565#include <string.h>
552static char buf[100]; 566static char buf[100];
567static double zero = 0.0;
553int main () 568int main ()
554{ 569{
570 int result = 0;
555 if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0 571 if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0
556 || strcmp (buf, "1234567.000000 33") != 0) 572 || strcmp (buf, "1234567.000000 33") != 0)
557 return 1; 573 result |= 1;
558 if (sprintf (buf, "%F", 1.0 / 0.0) < 0 574 if (sprintf (buf, "%F", 1.0 / zero) < 0
559 || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0)) 575 || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0))
560 return 1; 576 result |= 2;
561 /* This catches a Cygwin 1.5.x bug. */ 577 /* This catches a Cygwin 1.5.x bug. */
562 if (sprintf (buf, "%.F", 1234.0) < 0 578 if (sprintf (buf, "%.F", 1234.0) < 0
563 || strcmp (buf, "1234") != 0) 579 || strcmp (buf, "1234") != 0)
564 return 1; 580 result |= 4;
565 return 0; 581 return result;
566}], [gl_cv_func_printf_directive_f=yes], [gl_cv_func_printf_directive_f=no], 582}]])],
567 [ 583 [gl_cv_func_printf_directive_f=yes],
584 [gl_cv_func_printf_directive_f=no],
585 [
568changequote(,)dnl 586changequote(,)dnl
569 case "$host_os" in 587 case "$host_os" in
570 # Guess yes on glibc systems. 588 # Guess yes on glibc systems.
571 *-gnu*) gl_cv_func_printf_directive_f="guessing yes";; 589 *-gnu*) gl_cv_func_printf_directive_f="guessing yes";;
572 # Guess yes on FreeBSD >= 6. 590 # Guess yes on FreeBSD >= 6.
573 freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";; 591 freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";;
574 freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";; 592 freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
575 # Guess yes on MacOS X >= 10.3. 593 # Guess yes on Mac OS X >= 10.3.
576 darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";; 594 darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";;
577 darwin*) gl_cv_func_printf_directive_f="guessing yes";; 595 darwin*) gl_cv_func_printf_directive_f="guessing yes";;
578 # Guess yes on Solaris >= 2.10. 596 # Guess yes on Solaris >= 2.10.
579 solaris2.[0-9]*) gl_cv_func_printf_directive_f="guessing no";; 597 solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
580 solaris*) gl_cv_func_printf_directive_f="guessing yes";; 598 solaris*) gl_cv_func_printf_sizes_c99="guessing no";;
581 # If we don't know, assume the worst. 599 # If we don't know, assume the worst.
582 *) gl_cv_func_printf_directive_f="guessing no";; 600 *) gl_cv_func_printf_directive_f="guessing no";;
583 esac 601 esac
584changequote([,])dnl 602changequote([,])dnl
585 ]) 603 ])
586 ]) 604 ])
587]) 605])
588 606
@@ -597,14 +615,30 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_N],
597 AC_CACHE_CHECK([whether printf supports the 'n' directive], 615 AC_CACHE_CHECK([whether printf supports the 'n' directive],
598 [gl_cv_func_printf_directive_n], 616 [gl_cv_func_printf_directive_n],
599 [ 617 [
600 AC_TRY_RUN([ 618 AC_RUN_IFELSE(
619 [AC_LANG_SOURCE([[
601#include <stdio.h> 620#include <stdio.h>
621#include <stdlib.h>
602#include <string.h> 622#include <string.h>
623#ifdef _MSC_VER
624/* See page about "Parameter Validation" on msdn.microsoft.com. */
625static void cdecl
626invalid_parameter_handler (const wchar_t *expression,
627 const wchar_t *function,
628 const wchar_t *file, unsigned int line,
629 uintptr_t dummy)
630{
631 exit (1);
632}
633#endif
603static char fmtstring[10]; 634static char fmtstring[10];
604static char buf[100]; 635static char buf[100];
605int main () 636int main ()
606{ 637{
607 int count = -1; 638 int count = -1;
639#ifdef _MSC_VER
640 _set_invalid_parameter_handler (invalid_parameter_handler);
641#endif
608 /* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2) 642 /* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2)
609 support %n in format strings in read-only memory but not in writable 643 support %n in format strings in read-only memory but not in writable
610 memory. */ 644 memory. */
@@ -614,14 +648,17 @@ int main ()
614 || count != 4) 648 || count != 4)
615 return 1; 649 return 1;
616 return 0; 650 return 0;
617}], [gl_cv_func_printf_directive_n=yes], [gl_cv_func_printf_directive_n=no], 651}]])],
618 [ 652 [gl_cv_func_printf_directive_n=yes],
653 [gl_cv_func_printf_directive_n=no],
654 [
619changequote(,)dnl 655changequote(,)dnl
620 case "$host_os" in 656 case "$host_os" in
621 *) gl_cv_func_printf_directive_n="guessing yes";; 657 mingw*) gl_cv_func_printf_directive_n="guessing no";;
622 esac 658 *) gl_cv_func_printf_directive_n="guessing yes";;
659 esac
623changequote([,])dnl 660changequote([,])dnl
624 ]) 661 ])
625 ]) 662 ])
626]) 663])
627 664
@@ -639,7 +676,8 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_LS],
639 AC_CACHE_CHECK([whether printf supports the 'ls' directive], 676 AC_CACHE_CHECK([whether printf supports the 'ls' directive],
640 [gl_cv_func_printf_directive_ls], 677 [gl_cv_func_printf_directive_ls],
641 [ 678 [
642 AC_TRY_RUN([ 679 AC_RUN_IFELSE(
680 [AC_LANG_SOURCE([[
643/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before 681/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
644 <wchar.h>. 682 <wchar.h>.
645 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be 683 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
@@ -651,6 +689,7 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_LS],
651#include <string.h> 689#include <string.h>
652int main () 690int main ()
653{ 691{
692 int result = 0;
654 char buf[100]; 693 char buf[100];
655 /* Test whether %ls works at all. 694 /* Test whether %ls works at all.
656 This test fails on OpenBSD 4.0, IRIX 6.5, Solaris 2.6, Haiku, but not on 695 This test fails on OpenBSD 4.0, IRIX 6.5, Solaris 2.6, Haiku, but not on
@@ -660,7 +699,7 @@ int main ()
660 buf[0] = '\0'; 699 buf[0] = '\0';
661 if (sprintf (buf, "%ls", wstring) < 0 700 if (sprintf (buf, "%ls", wstring) < 0
662 || strcmp (buf, "abc") != 0) 701 || strcmp (buf, "abc") != 0)
663 return 1; 702 result |= 1;
664 } 703 }
665 /* This test fails on IRIX 6.5, Solaris 2.6, Cygwin 1.5, Haiku (with an 704 /* This test fails on IRIX 6.5, Solaris 2.6, Cygwin 1.5, Haiku (with an
666 assertion failure inside libc), but not on OpenBSD 4.0. */ 705 assertion failure inside libc), but not on OpenBSD 4.0. */
@@ -669,7 +708,7 @@ int main ()
669 buf[0] = '\0'; 708 buf[0] = '\0';
670 if (sprintf (buf, "%ls", wstring) < 0 709 if (sprintf (buf, "%ls", wstring) < 0
671 || strcmp (buf, "a") != 0) 710 || strcmp (buf, "a") != 0)
672 return 1; 711 result |= 2;
673 } 712 }
674 /* Test whether precisions in %ls are supported as specified in ISO C 99 713 /* Test whether precisions in %ls are supported as specified in ISO C 99
675 section 7.19.6.1: 714 section 7.19.6.1:
@@ -684,22 +723,24 @@ int main ()
684 buf[0] = '\0'; 723 buf[0] = '\0';
685 if (sprintf (buf, "%.2ls", wstring) < 0 724 if (sprintf (buf, "%.2ls", wstring) < 0
686 || strcmp (buf, "ab") != 0) 725 || strcmp (buf, "ab") != 0)
687 return 1; 726 result |= 8;
688 } 727 }
689 return 0; 728 return result;
690}], [gl_cv_func_printf_directive_ls=yes], [gl_cv_func_printf_directive_ls=no], 729}]])],
691 [ 730 [gl_cv_func_printf_directive_ls=yes],
731 [gl_cv_func_printf_directive_ls=no],
732 [
692changequote(,)dnl 733changequote(,)dnl
693 case "$host_os" in 734 case "$host_os" in
694 openbsd*) gl_cv_func_printf_directive_ls="guessing no";; 735 openbsd*) gl_cv_func_printf_directive_ls="guessing no";;
695 irix*) gl_cv_func_printf_directive_ls="guessing no";; 736 irix*) gl_cv_func_printf_directive_ls="guessing no";;
696 solaris*) gl_cv_func_printf_directive_ls="guessing no";; 737 solaris*) gl_cv_func_printf_directive_ls="guessing no";;
697 cygwin*) gl_cv_func_printf_directive_ls="guessing no";; 738 cygwin*) gl_cv_func_printf_directive_ls="guessing no";;
698 beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";; 739 beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";;
699 *) gl_cv_func_printf_directive_ls="guessing yes";; 740 *) gl_cv_func_printf_directive_ls="guessing yes";;
700 esac 741 esac
701changequote([,])dnl 742changequote([,])dnl
702 ]) 743 ])
703 ]) 744 ])
704]) 745])
705 746
@@ -714,7 +755,8 @@ AC_DEFUN([gl_PRINTF_POSITIONS],
714 AC_CACHE_CHECK([whether printf supports POSIX/XSI format strings with positions], 755 AC_CACHE_CHECK([whether printf supports POSIX/XSI format strings with positions],
715 [gl_cv_func_printf_positions], 756 [gl_cv_func_printf_positions],
716 [ 757 [
717 AC_TRY_RUN([ 758 AC_RUN_IFELSE(
759 [AC_LANG_SOURCE([[
718#include <stdio.h> 760#include <stdio.h>
719#include <string.h> 761#include <string.h>
720/* The string "%2$d %1$d", with dollar characters protected from the shell's 762/* The string "%2$d %1$d", with dollar characters protected from the shell's
@@ -725,18 +767,20 @@ int main ()
725{ 767{
726 sprintf (buf, format, 33, 55); 768 sprintf (buf, format, 33, 55);
727 return (strcmp (buf, "55 33") != 0); 769 return (strcmp (buf, "55 33") != 0);
728}], [gl_cv_func_printf_positions=yes], [gl_cv_func_printf_positions=no], 770}]])],
729 [ 771 [gl_cv_func_printf_positions=yes],
772 [gl_cv_func_printf_positions=no],
773 [
730changequote(,)dnl 774changequote(,)dnl
731 case "$host_os" in 775 case "$host_os" in
732 netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*) 776 netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
733 gl_cv_func_printf_positions="guessing no";; 777 gl_cv_func_printf_positions="guessing no";;
734 beos*) gl_cv_func_printf_positions="guessing no";; 778 beos*) gl_cv_func_printf_positions="guessing no";;
735 mingw* | pw*) gl_cv_func_printf_positions="guessing no";; 779 mingw* | pw*) gl_cv_func_printf_positions="guessing no";;
736 *) gl_cv_func_printf_positions="guessing yes";; 780 *) gl_cv_func_printf_positions="guessing yes";;
737 esac 781 esac
738changequote([,])dnl 782changequote([,])dnl
739 ]) 783 ])
740 ]) 784 ])
741]) 785])
742 786
@@ -751,7 +795,8 @@ AC_DEFUN([gl_PRINTF_FLAG_GROUPING],
751 AC_CACHE_CHECK([whether printf supports the grouping flag], 795 AC_CACHE_CHECK([whether printf supports the grouping flag],
752 [gl_cv_func_printf_flag_grouping], 796 [gl_cv_func_printf_flag_grouping],
753 [ 797 [
754 AC_TRY_RUN([ 798 AC_RUN_IFELSE(
799 [AC_LANG_SOURCE([[
755#include <stdio.h> 800#include <stdio.h>
756#include <string.h> 801#include <string.h>
757static char buf[100]; 802static char buf[100];
@@ -761,17 +806,19 @@ int main ()
761 || buf[strlen (buf) - 1] != '9') 806 || buf[strlen (buf) - 1] != '9')
762 return 1; 807 return 1;
763 return 0; 808 return 0;
764}], [gl_cv_func_printf_flag_grouping=yes], [gl_cv_func_printf_flag_grouping=no], 809}]])],
765 [ 810 [gl_cv_func_printf_flag_grouping=yes],
811 [gl_cv_func_printf_flag_grouping=no],
812 [
766changequote(,)dnl 813changequote(,)dnl
767 case "$host_os" in 814 case "$host_os" in
768 cygwin*) gl_cv_func_printf_flag_grouping="guessing no";; 815 cygwin*) gl_cv_func_printf_flag_grouping="guessing no";;
769 netbsd*) gl_cv_func_printf_flag_grouping="guessing no";; 816 netbsd*) gl_cv_func_printf_flag_grouping="guessing no";;
770 mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";; 817 mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";;
771 *) gl_cv_func_printf_flag_grouping="guessing yes";; 818 *) gl_cv_func_printf_flag_grouping="guessing yes";;
772 esac 819 esac
773changequote([,])dnl 820changequote([,])dnl
774 ]) 821 ])
775 ]) 822 ])
776]) 823])
777 824
@@ -787,7 +834,8 @@ AC_DEFUN([gl_PRINTF_FLAG_LEFTADJUST],
787 AC_CACHE_CHECK([whether printf supports the left-adjust flag correctly], 834 AC_CACHE_CHECK([whether printf supports the left-adjust flag correctly],
788 [gl_cv_func_printf_flag_leftadjust], 835 [gl_cv_func_printf_flag_leftadjust],
789 [ 836 [
790 AC_TRY_RUN([ 837 AC_RUN_IFELSE(
838 [AC_LANG_SOURCE([[
791#include <stdio.h> 839#include <stdio.h>
792#include <string.h> 840#include <string.h>
793static char buf[100]; 841static char buf[100];
@@ -798,7 +846,7 @@ int main ()
798 || strcmp (buf, "ab c") != 0) 846 || strcmp (buf, "ab c") != 0)
799 return 1; 847 return 1;
800 return 0; 848 return 0;
801}], 849}]])],
802 [gl_cv_func_printf_flag_leftadjust=yes], 850 [gl_cv_func_printf_flag_leftadjust=yes],
803 [gl_cv_func_printf_flag_leftadjust=no], 851 [gl_cv_func_printf_flag_leftadjust=no],
804 [ 852 [
@@ -828,37 +876,44 @@ AC_DEFUN([gl_PRINTF_FLAG_ZERO],
828 AC_CACHE_CHECK([whether printf supports the zero flag correctly], 876 AC_CACHE_CHECK([whether printf supports the zero flag correctly],
829 [gl_cv_func_printf_flag_zero], 877 [gl_cv_func_printf_flag_zero],
830 [ 878 [
831 AC_TRY_RUN([ 879 AC_RUN_IFELSE(
880 [AC_LANG_SOURCE([[
832#include <stdio.h> 881#include <stdio.h>
833#include <string.h> 882#include <string.h>
834static char buf[100]; 883static char buf[100];
884static double zero = 0.0;
835int main () 885int main ()
836{ 886{
837 if (sprintf (buf, "%010f", 1.0 / 0.0, 33, 44, 55) < 0 887 if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0
838 || (strcmp (buf, " inf") != 0 888 || (strcmp (buf, " inf") != 0
839 && strcmp (buf, " infinity") != 0)) 889 && strcmp (buf, " infinity") != 0))
840 return 1; 890 return 1;
841 return 0; 891 return 0;
842}], [gl_cv_func_printf_flag_zero=yes], [gl_cv_func_printf_flag_zero=no], 892}]])],
843 [ 893 [gl_cv_func_printf_flag_zero=yes],
894 [gl_cv_func_printf_flag_zero=no],
895 [
844changequote(,)dnl 896changequote(,)dnl
845 case "$host_os" in 897 case "$host_os" in
846 # Guess yes on glibc systems. 898 # Guess yes on glibc systems.
847 *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";; 899 *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";;
848 # Guess yes on BeOS. 900 # Guess yes on BeOS.
849 beos*) gl_cv_func_printf_flag_zero="guessing yes";; 901 beos*) gl_cv_func_printf_flag_zero="guessing yes";;
850 # If we don't know, assume the worst. 902 # If we don't know, assume the worst.
851 *) gl_cv_func_printf_flag_zero="guessing no";; 903 *) gl_cv_func_printf_flag_zero="guessing no";;
852 esac 904 esac
853changequote([,])dnl 905changequote([,])dnl
854 ]) 906 ])
855 ]) 907 ])
856]) 908])
857 909
858dnl Test whether the *printf family of functions supports large precisions. 910dnl Test whether the *printf family of functions supports large precisions.
859dnl On mingw, precisions larger than 512 are treated like 512, in integer, 911dnl On mingw, precisions larger than 512 are treated like 512, in integer,
860dnl floating-point or pointer output. On BeOS, precisions larger than 1044 912dnl floating-point or pointer output. On Solaris 10/x86, precisions larger
861dnl crash the program. 913dnl than 510 in floating-point output crash the program. On Solaris 10/SPARC,
914dnl precisions larger than 510 in floating-point output yield wrong results.
915dnl On AIX 7.1, precisions larger than 998 in floating-point output yield
916dnl wrong results. On BeOS, precisions larger than 1044 crash the program.
862dnl Result is gl_cv_func_printf_precision. 917dnl Result is gl_cv_func_printf_precision.
863 918
864AC_DEFUN([gl_PRINTF_PRECISION], 919AC_DEFUN([gl_PRINTF_PRECISION],
@@ -868,30 +923,43 @@ AC_DEFUN([gl_PRINTF_PRECISION],
868 AC_CACHE_CHECK([whether printf supports large precisions], 923 AC_CACHE_CHECK([whether printf supports large precisions],
869 [gl_cv_func_printf_precision], 924 [gl_cv_func_printf_precision],
870 [ 925 [
871 AC_TRY_RUN([ 926 AC_RUN_IFELSE(
927 [AC_LANG_SOURCE([[
872#include <stdio.h> 928#include <stdio.h>
873#include <string.h> 929#include <string.h>
874static char buf[5000]; 930static char buf[5000];
875int main () 931int main ()
876{ 932{
933 int result = 0;
877#ifdef __BEOS__ 934#ifdef __BEOS__
878 /* On BeOS, this would crash and show a dialog box. Avoid the crash. */ 935 /* On BeOS, this would crash and show a dialog box. Avoid the crash. */
879 return 1; 936 return 1;
880#endif 937#endif
881 if (sprintf (buf, "%.4000d %d", 1, 33, 44) < 4000 + 3) 938 if (sprintf (buf, "%.4000d %d", 1, 33, 44) < 4000 + 3)
882 return 1; 939 result |= 1;
883 return 0; 940 if (sprintf (buf, "%.4000f %d", 1.0, 33, 44) < 4000 + 5)
884}], [gl_cv_func_printf_precision=yes], [gl_cv_func_printf_precision=no], 941 result |= 2;
885 [ 942 if (sprintf (buf, "%.511f %d", 1.0, 33, 44) < 511 + 5
943 || buf[0] != '1')
944 result |= 4;
945 if (sprintf (buf, "%.999f %d", 1.0, 33, 44) < 999 + 5
946 || buf[0] != '1')
947 result |= 4;
948 return result;
949}]])],
950 [gl_cv_func_printf_precision=yes],
951 [gl_cv_func_printf_precision=no],
952 [
886changequote(,)dnl 953changequote(,)dnl
887 case "$host_os" in 954 case "$host_os" in
888 # Guess no only on native Win32 and BeOS systems. 955 # Guess no only on Solaris, native Windows, and BeOS systems.
889 mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;; 956 solaris*) gl_cv_func_printf_precision="guessing no" ;;
890 beos*) gl_cv_func_printf_precision="guessing no" ;; 957 mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;;
891 *) gl_cv_func_printf_precision="guessing yes" ;; 958 beos*) gl_cv_func_printf_precision="guessing no" ;;
892 esac 959 *) gl_cv_func_printf_precision="guessing yes" ;;
960 esac
893changequote([,])dnl 961changequote([,])dnl
894 ]) 962 ])
895 ]) 963 ])
896]) 964])
897 965
@@ -960,8 +1028,9 @@ int main()
960changequote([,])dnl 1028changequote([,])dnl
961 ])]) 1029 ])])
962 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then 1030 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
963 (./conftest 1031 (./conftest 2>&AS_MESSAGE_LOG_FD
964 result=$? 1032 result=$?
1033 _AS_ECHO_LOG([\$? = $result])
965 if test $result != 0 && test $result != 77; then result=1; fi 1034 if test $result != 0 && test $result != 77; then result=1; fi
966 exit $result 1035 exit $result
967 ) >/dev/null 2>/dev/null 1036 ) >/dev/null 2>/dev/null
@@ -975,7 +1044,7 @@ changequote([,])dnl
975 fi 1044 fi
976 rm -fr conftest* 1045 rm -fr conftest*
977 else 1046 else
978 dnl A universal build on Apple MacOS X platforms. 1047 dnl A universal build on Apple Mac OS X platforms.
979 dnl The result would be 'no' in 32-bit mode and 'yes' in 64-bit mode. 1048 dnl The result would be 'no' in 32-bit mode and 'yes' in 64-bit mode.
980 dnl But we need a configuration result that is valid in both modes. 1049 dnl But we need a configuration result that is valid in both modes.
981 gl_cv_func_printf_enomem="guessing no" 1050 gl_cv_func_printf_enomem="guessing no"
@@ -1028,61 +1097,80 @@ AC_DEFUN([gl_SNPRINTF_TRUNCATION_C99],
1028[ 1097[
1029 AC_REQUIRE([AC_PROG_CC]) 1098 AC_REQUIRE([AC_PROG_CC])
1030 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles 1099 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
1100 AC_REQUIRE([gl_SNPRINTF_PRESENCE])
1031 AC_CACHE_CHECK([whether snprintf truncates the result as in C99], 1101 AC_CACHE_CHECK([whether snprintf truncates the result as in C99],
1032 [gl_cv_func_snprintf_truncation_c99], 1102 [gl_cv_func_snprintf_truncation_c99],
1033 [ 1103 [
1034 AC_TRY_RUN([ 1104 AC_RUN_IFELSE(
1105 [AC_LANG_SOURCE([[
1035#include <stdio.h> 1106#include <stdio.h>
1036#include <string.h> 1107#include <string.h>
1108#if HAVE_SNPRINTF
1109# define my_snprintf snprintf
1110#else
1111# include <stdarg.h>
1112static int my_snprintf (char *buf, int size, const char *format, ...)
1113{
1114 va_list args;
1115 int ret;
1116 va_start (args, format);
1117 ret = vsnprintf (buf, size, format, args);
1118 va_end (args);
1119 return ret;
1120}
1121#endif
1037static char buf[100]; 1122static char buf[100];
1038int main () 1123int main ()
1039{ 1124{
1040 strcpy (buf, "ABCDEF"); 1125 strcpy (buf, "ABCDEF");
1041 snprintf (buf, 3, "%d %d", 4567, 89); 1126 my_snprintf (buf, 3, "%d %d", 4567, 89);
1042 if (memcmp (buf, "45\0DEF", 6) != 0) 1127 if (memcmp (buf, "45\0DEF", 6) != 0)
1043 return 1; 1128 return 1;
1044 return 0; 1129 return 0;
1045}], [gl_cv_func_snprintf_truncation_c99=yes], [gl_cv_func_snprintf_truncation_c99=no], 1130}]])],
1046 [ 1131 [gl_cv_func_snprintf_truncation_c99=yes],
1132 [gl_cv_func_snprintf_truncation_c99=no],
1133 [
1047changequote(,)dnl 1134changequote(,)dnl
1048 case "$host_os" in 1135 case "$host_os" in
1049 # Guess yes on glibc systems. 1136 # Guess yes on glibc systems.
1050 *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1137 *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1051 # Guess yes on FreeBSD >= 5. 1138 # Guess yes on FreeBSD >= 5.
1052 freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; 1139 freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
1053 freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1140 freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1054 # Guess yes on MacOS X >= 10.3. 1141 # Guess yes on Mac OS X >= 10.3.
1055 darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";; 1142 darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";;
1056 darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1143 darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1057 # Guess yes on OpenBSD >= 3.9. 1144 # Guess yes on OpenBSD >= 3.9.
1058 openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) 1145 openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
1059 gl_cv_func_snprintf_truncation_c99="guessing no";; 1146 gl_cv_func_snprintf_truncation_c99="guessing no";;
1060 openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1147 openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1061 # Guess yes on Solaris >= 2.6. 1148 # Guess yes on Solaris >= 2.6.
1062 solaris2.[0-5]*) gl_cv_func_snprintf_truncation_c99="guessing no";; 1149 solaris2.[0-5] | solaris2.[0-5].*)
1063 solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1150 gl_cv_func_snprintf_truncation_c99="guessing no";;
1064 # Guess yes on AIX >= 4. 1151 solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1065 aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";; 1152 # Guess yes on AIX >= 4.
1066 aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1153 aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
1067 # Guess yes on HP-UX >= 11. 1154 aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1068 hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";; 1155 # Guess yes on HP-UX >= 11.
1069 hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1156 hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";;
1070 # Guess yes on IRIX >= 6.5. 1157 hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1071 irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1158 # Guess yes on IRIX >= 6.5.
1072 # Guess yes on OSF/1 >= 5. 1159 irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1073 osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; 1160 # Guess yes on OSF/1 >= 5.
1074 osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1161 osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
1075 # Guess yes on NetBSD >= 3. 1162 osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1076 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) 1163 # Guess yes on NetBSD >= 3.
1077 gl_cv_func_snprintf_truncation_c99="guessing no";; 1164 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
1078 netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1165 gl_cv_func_snprintf_truncation_c99="guessing no";;
1079 # Guess yes on BeOS. 1166 netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1080 beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";; 1167 # Guess yes on BeOS.
1081 # If we don't know, assume the worst. 1168 beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
1082 *) gl_cv_func_snprintf_truncation_c99="guessing no";; 1169 # If we don't know, assume the worst.
1083 esac 1170 *) gl_cv_func_snprintf_truncation_c99="guessing no";;
1171 esac
1084changequote([,])dnl 1172changequote([,])dnl
1085 ]) 1173 ])
1086 ]) 1174 ])
1087]) 1175])
1088 1176
@@ -1105,52 +1193,74 @@ AC_DEFUN_ONCE([gl_SNPRINTF_RETVAL_C99],
1105[ 1193[
1106 AC_REQUIRE([AC_PROG_CC]) 1194 AC_REQUIRE([AC_PROG_CC])
1107 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles 1195 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
1196 AC_REQUIRE([gl_SNPRINTF_PRESENCE])
1108 AC_CACHE_CHECK([whether snprintf returns a byte count as in C99], 1197 AC_CACHE_CHECK([whether snprintf returns a byte count as in C99],
1109 [gl_cv_func_snprintf_retval_c99], 1198 [gl_cv_func_snprintf_retval_c99],
1110 [ 1199 [
1111 AC_TRY_RUN([ 1200 AC_RUN_IFELSE(
1201 [AC_LANG_SOURCE([[
1112#include <stdio.h> 1202#include <stdio.h>
1113#include <string.h> 1203#include <string.h>
1204#if HAVE_SNPRINTF
1205# define my_snprintf snprintf
1206#else
1207# include <stdarg.h>
1208static int my_snprintf (char *buf, int size, const char *format, ...)
1209{
1210 va_list args;
1211 int ret;
1212 va_start (args, format);
1213 ret = vsnprintf (buf, size, format, args);
1214 va_end (args);
1215 return ret;
1216}
1217#endif
1114static char buf[100]; 1218static char buf[100];
1115int main () 1219int main ()
1116{ 1220{
1117 strcpy (buf, "ABCDEF"); 1221 strcpy (buf, "ABCDEF");
1118 if (snprintf (buf, 3, "%d %d", 4567, 89) != 7) 1222 if (my_snprintf (buf, 3, "%d %d", 4567, 89) != 7)
1119 return 1; 1223 return 1;
1224 if (my_snprintf (buf, 0, "%d %d", 4567, 89) != 7)
1225 return 2;
1226 if (my_snprintf (NULL, 0, "%d %d", 4567, 89) != 7)
1227 return 3;
1120 return 0; 1228 return 0;
1121}], [gl_cv_func_snprintf_retval_c99=yes], [gl_cv_func_snprintf_retval_c99=no], 1229}]])],
1122 [ 1230 [gl_cv_func_snprintf_retval_c99=yes],
1231 [gl_cv_func_snprintf_retval_c99=no],
1232 [
1123changequote(,)dnl 1233changequote(,)dnl
1124 case "$host_os" in 1234 case "$host_os" in
1125 # Guess yes on glibc systems. 1235 # Guess yes on glibc systems.
1126 *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1236 *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";;
1127 # Guess yes on FreeBSD >= 5. 1237 # Guess yes on FreeBSD >= 5.
1128 freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";; 1238 freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";;
1129 freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1239 freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
1130 # Guess yes on MacOS X >= 10.3. 1240 # Guess yes on Mac OS X >= 10.3.
1131 darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";; 1241 darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";;
1132 darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1242 darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";;
1133 # Guess yes on OpenBSD >= 3.9. 1243 # Guess yes on OpenBSD >= 3.9.
1134 openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) 1244 openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
1135 gl_cv_func_snprintf_retval_c99="guessing no";; 1245 gl_cv_func_snprintf_retval_c99="guessing no";;
1136 openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1246 openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
1137 # Guess yes on Solaris >= 2.6. 1247 # Guess yes on Solaris >= 2.10.
1138 solaris2.[0-5]*) gl_cv_func_snprintf_retval_c99="guessing no";; 1248 solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";;
1139 solaris*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1249 solaris*) gl_cv_func_printf_sizes_c99="guessing no";;
1140 # Guess yes on AIX >= 4. 1250 # Guess yes on AIX >= 4.
1141 aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";; 1251 aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";;
1142 aix*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1252 aix*) gl_cv_func_snprintf_retval_c99="guessing yes";;
1143 # Guess yes on NetBSD >= 3. 1253 # Guess yes on NetBSD >= 3.
1144 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) 1254 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
1145 gl_cv_func_snprintf_retval_c99="guessing no";; 1255 gl_cv_func_snprintf_retval_c99="guessing no";;
1146 netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1256 netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
1147 # Guess yes on BeOS. 1257 # Guess yes on BeOS.
1148 beos*) gl_cv_func_snprintf_retval_c99="guessing yes";; 1258 beos*) gl_cv_func_snprintf_retval_c99="guessing yes";;
1149 # If we don't know, assume the worst. 1259 # If we don't know, assume the worst.
1150 *) gl_cv_func_snprintf_retval_c99="guessing no";; 1260 *) gl_cv_func_snprintf_retval_c99="guessing no";;
1151 esac 1261 esac
1152changequote([,])dnl 1262changequote([,])dnl
1153 ]) 1263 ])
1154 ]) 1264 ])
1155]) 1265])
1156 1266
@@ -1162,12 +1272,28 @@ AC_DEFUN([gl_SNPRINTF_DIRECTIVE_N],
1162[ 1272[
1163 AC_REQUIRE([AC_PROG_CC]) 1273 AC_REQUIRE([AC_PROG_CC])
1164 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles 1274 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
1275 AC_REQUIRE([gl_SNPRINTF_PRESENCE])
1165 AC_CACHE_CHECK([whether snprintf fully supports the 'n' directive], 1276 AC_CACHE_CHECK([whether snprintf fully supports the 'n' directive],
1166 [gl_cv_func_snprintf_directive_n], 1277 [gl_cv_func_snprintf_directive_n],
1167 [ 1278 [
1168 AC_TRY_RUN([ 1279 AC_RUN_IFELSE(
1280 [AC_LANG_SOURCE([[
1169#include <stdio.h> 1281#include <stdio.h>
1170#include <string.h> 1282#include <string.h>
1283#if HAVE_SNPRINTF
1284# define my_snprintf snprintf
1285#else
1286# include <stdarg.h>
1287static int my_snprintf (char *buf, int size, const char *format, ...)
1288{
1289 va_list args;
1290 int ret;
1291 va_start (args, format);
1292 ret = vsnprintf (buf, size, format, args);
1293 va_end (args);
1294 return ret;
1295}
1296#endif
1171static char fmtstring[10]; 1297static char fmtstring[10];
1172static char buf[100]; 1298static char buf[100];
1173int main () 1299int main ()
@@ -1177,44 +1303,47 @@ int main ()
1177 support %n in format strings in read-only memory but not in writable 1303 support %n in format strings in read-only memory but not in writable
1178 memory. */ 1304 memory. */
1179 strcpy (fmtstring, "%d %n"); 1305 strcpy (fmtstring, "%d %n");
1180 snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55); 1306 my_snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55);
1181 if (count != 6) 1307 if (count != 6)
1182 return 1; 1308 return 1;
1183 return 0; 1309 return 0;
1184}], [gl_cv_func_snprintf_directive_n=yes], [gl_cv_func_snprintf_directive_n=no], 1310}]])],
1185 [ 1311 [gl_cv_func_snprintf_directive_n=yes],
1312 [gl_cv_func_snprintf_directive_n=no],
1313 [
1186changequote(,)dnl 1314changequote(,)dnl
1187 case "$host_os" in 1315 case "$host_os" in
1188 # Guess yes on glibc systems. 1316 # Guess yes on glibc systems.
1189 *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";; 1317 *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";;
1190 # Guess yes on FreeBSD >= 5. 1318 # Guess yes on FreeBSD >= 5.
1191 freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";; 1319 freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
1192 freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";; 1320 freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
1193 # Guess yes on MacOS X >= 10.3. 1321 # Guess yes on Mac OS X >= 10.3.
1194 darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";; 1322 darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";;
1195 darwin*) gl_cv_func_snprintf_directive_n="guessing yes";; 1323 darwin*) gl_cv_func_snprintf_directive_n="guessing yes";;
1196 # Guess yes on Solaris >= 2.6. 1324 # Guess yes on Solaris >= 2.6.
1197 solaris2.[0-5]*) gl_cv_func_snprintf_directive_n="guessing no";; 1325 solaris2.[0-5] | solaris2.[0-5].*)
1198 solaris*) gl_cv_func_snprintf_directive_n="guessing yes";; 1326 gl_cv_func_snprintf_directive_n="guessing no";;
1199 # Guess yes on AIX >= 4. 1327 solaris*) gl_cv_func_snprintf_directive_n="guessing yes";;
1200 aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";; 1328 # Guess yes on AIX >= 4.
1201 aix*) gl_cv_func_snprintf_directive_n="guessing yes";; 1329 aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";;
1202 # Guess yes on IRIX >= 6.5. 1330 aix*) gl_cv_func_snprintf_directive_n="guessing yes";;
1203 irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";; 1331 # Guess yes on IRIX >= 6.5.
1204 # Guess yes on OSF/1 >= 5. 1332 irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";;
1205 osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";; 1333 # Guess yes on OSF/1 >= 5.
1206 osf*) gl_cv_func_snprintf_directive_n="guessing yes";; 1334 osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
1207 # Guess yes on NetBSD >= 3. 1335 osf*) gl_cv_func_snprintf_directive_n="guessing yes";;
1208 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) 1336 # Guess yes on NetBSD >= 3.
1209 gl_cv_func_snprintf_directive_n="guessing no";; 1337 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
1210 netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";; 1338 gl_cv_func_snprintf_directive_n="guessing no";;
1211 # Guess yes on BeOS. 1339 netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
1212 beos*) gl_cv_func_snprintf_directive_n="guessing yes";; 1340 # Guess yes on BeOS.
1213 # If we don't know, assume the worst. 1341 beos*) gl_cv_func_snprintf_directive_n="guessing yes";;
1214 *) gl_cv_func_snprintf_directive_n="guessing no";; 1342 # If we don't know, assume the worst.
1215 esac 1343 *) gl_cv_func_snprintf_directive_n="guessing no";;
1344 esac
1216changequote([,])dnl 1345changequote([,])dnl
1217 ]) 1346 ])
1218 ]) 1347 ])
1219]) 1348])
1220 1349
@@ -1226,20 +1355,36 @@ dnl Result is gl_cv_func_snprintf_size1.
1226AC_DEFUN([gl_SNPRINTF_SIZE1], 1355AC_DEFUN([gl_SNPRINTF_SIZE1],
1227[ 1356[
1228 AC_REQUIRE([AC_PROG_CC]) 1357 AC_REQUIRE([AC_PROG_CC])
1358 AC_REQUIRE([gl_SNPRINTF_PRESENCE])
1229 AC_CACHE_CHECK([whether snprintf respects a size of 1], 1359 AC_CACHE_CHECK([whether snprintf respects a size of 1],
1230 [gl_cv_func_snprintf_size1], 1360 [gl_cv_func_snprintf_size1],
1231 [ 1361 [
1232 AC_TRY_RUN([ 1362 AC_RUN_IFELSE(
1363 [AC_LANG_SOURCE([[
1233#include <stdio.h> 1364#include <stdio.h>
1365#if HAVE_SNPRINTF
1366# define my_snprintf snprintf
1367#else
1368# include <stdarg.h>
1369static int my_snprintf (char *buf, int size, const char *format, ...)
1370{
1371 va_list args;
1372 int ret;
1373 va_start (args, format);
1374 ret = vsnprintf (buf, size, format, args);
1375 va_end (args);
1376 return ret;
1377}
1378#endif
1234int main() 1379int main()
1235{ 1380{
1236 static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; 1381 static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' };
1237 snprintf (buf, 1, "%d", 12345); 1382 my_snprintf (buf, 1, "%d", 12345);
1238 return buf[1] != 'E'; 1383 return buf[1] != 'E';
1239}], 1384}]])],
1240 [gl_cv_func_snprintf_size1=yes], 1385 [gl_cv_func_snprintf_size1=yes],
1241 [gl_cv_func_snprintf_size1=no], 1386 [gl_cv_func_snprintf_size1=no],
1242 [gl_cv_func_snprintf_size1="guessing yes"]) 1387 [gl_cv_func_snprintf_size1="guessing yes"])
1243 ]) 1388 ])
1244]) 1389])
1245 1390
@@ -1286,7 +1431,8 @@ AC_DEFUN([gl_VSNPRINTF_ZEROSIZE_C99],
1286 AC_CACHE_CHECK([whether vsnprintf respects a zero size as in C99], 1431 AC_CACHE_CHECK([whether vsnprintf respects a zero size as in C99],
1287 [gl_cv_func_vsnprintf_zerosize_c99], 1432 [gl_cv_func_vsnprintf_zerosize_c99],
1288 [ 1433 [
1289 AC_TRY_RUN([ 1434 AC_RUN_IFELSE(
1435 [AC_LANG_SOURCE([[
1290#include <stdarg.h> 1436#include <stdarg.h>
1291#include <stdio.h> 1437#include <stdio.h>
1292static int my_snprintf (char *buf, int size, const char *format, ...) 1438static int my_snprintf (char *buf, int size, const char *format, ...)
@@ -1303,43 +1449,44 @@ int main()
1303 static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; 1449 static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' };
1304 my_snprintf (buf, 0, "%d", 12345); 1450 my_snprintf (buf, 0, "%d", 12345);
1305 return buf[0] != 'D'; 1451 return buf[0] != 'D';
1306}], 1452}]])],
1307 [gl_cv_func_vsnprintf_zerosize_c99=yes], 1453 [gl_cv_func_vsnprintf_zerosize_c99=yes],
1308 [gl_cv_func_vsnprintf_zerosize_c99=no], 1454 [gl_cv_func_vsnprintf_zerosize_c99=no],
1309 [ 1455 [
1310changequote(,)dnl 1456changequote(,)dnl
1311 case "$host_os" in 1457 case "$host_os" in
1312 # Guess yes on glibc systems. 1458 # Guess yes on glibc systems.
1313 *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1459 *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1314 # Guess yes on FreeBSD >= 5. 1460 # Guess yes on FreeBSD >= 5.
1315 freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; 1461 freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
1316 freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1462 freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1317 # Guess yes on MacOS X >= 10.3. 1463 # Guess yes on Mac OS X >= 10.3.
1318 darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; 1464 darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
1319 darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1465 darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1320 # Guess yes on Cygwin. 1466 # Guess yes on Cygwin.
1321 cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1467 cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1322 # Guess yes on Solaris >= 2.6. 1468 # Guess yes on Solaris >= 2.6.
1323 solaris2.[0-5]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; 1469 solaris2.[0-5] | solaris2.[0-5].*)
1324 solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1470 gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
1325 # Guess yes on AIX >= 4. 1471 solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1326 aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; 1472 # Guess yes on AIX >= 4.
1327 aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1473 aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
1328 # Guess yes on IRIX >= 6.5. 1474 aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1329 irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1475 # Guess yes on IRIX >= 6.5.
1330 # Guess yes on NetBSD >= 3. 1476 irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1331 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) 1477 # Guess yes on NetBSD >= 3.
1332 gl_cv_func_vsnprintf_zerosize_c99="guessing no";; 1478 netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
1333 netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1479 gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
1334 # Guess yes on BeOS. 1480 netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1335 beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1481 # Guess yes on BeOS.
1336 # Guess yes on mingw. 1482 beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1337 mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; 1483 # Guess yes on mingw.
1338 # If we don't know, assume the worst. 1484 mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
1339 *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; 1485 # If we don't know, assume the worst.
1340 esac 1486 *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
1487 esac
1341changequote([,])dnl 1488changequote([,])dnl
1342 ]) 1489 ])
1343 ]) 1490 ])
1344]) 1491])
1345 1492
@@ -1393,24 +1540,31 @@ dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1393dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . . 1540dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . .
1394dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . . 1541dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . .
1395dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . . 1542dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . .
1396dnl MacOS X 10.3.9 . . . . # . . . . . . # . # . . . . . . 1543dnl Mac OS X 10.5.8 . . . # # . . . . . . # . . . . . . . .
1544dnl Mac OS X 10.3.9 . . . . # . . . . . . # . # . . . . . .
1397dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . . . . . . 1545dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . . . . . .
1398dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . . 1546dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . .
1399dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . . 1547dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . .
1400dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . . 1548dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . .
1401dnl Solaris 10 . . # # # . . # . . . # . . . . . . . . 1549dnl Solaris 11 2011-11 . . # # # . . # . . . # . . . . . . . .
1402dnl Solaris 2.6 ... 9 # . # # # # . # . . . # . . . . . . . . 1550dnl Solaris 10 . . # # # . . # . . . # # . . . . . . .
1551dnl Solaris 2.6 ... 9 # . # # # # . # . . . # # . . . # . . .
1403dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # # 1552dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # #
1553dnl AIX 7.1 . . # # # . . . . . . # # . . . . . . .
1404dnl AIX 5.2 . . # # # . . . . . . # . . . . . . . . 1554dnl AIX 5.2 . . # # # . . . . . . # . . . . . . . .
1405dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . . . . . 1555dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . # . . .
1406dnl HP-UX 11.31 . . . . # . . . . . . # . . . . # # . . 1556dnl HP-UX 11.31 . . . . # . . . . . . # . . . . # # . .
1407dnl HP-UX 11.{00,11,23} # . . . # # . . . . . # . . . . # # . # 1557dnl HP-UX 11.{00,11,23} # . . . # # . . . . . # . . . . # # . #
1408dnl HP-UX 10.20 # . # . # # . ? . . # # . . . . # # ? # 1558dnl HP-UX 10.20 # . # . # # . ? . . # # . . . . # # ? #
1409dnl IRIX 6.5 # . # # # # . # . . . # . . . . # . . . 1559dnl IRIX 6.5 # . # # # # . # . . . # . . . . # . . .
1410dnl OSF/1 5.1 # . # # # # . . . . . # . . . . # . . # 1560dnl OSF/1 5.1 # . # # # # . . . . . # . . . . # . . #
1411dnl OSF/1 4.0d # . # # # # . . . . . # . . # # # # # # 1561dnl OSF/1 4.0d # . # # # # . . . . . # . . # # # # # #
1562dnl NetBSD 5.0 . . . # # . . . . . . # . # . . . . . .
1412dnl NetBSD 4.0 . ? ? ? ? ? . ? . ? ? ? ? ? . . . ? ? ? 1563dnl NetBSD 4.0 . ? ? ? ? ? . ? . ? ? ? ? ? . . . ? ? ?
1413dnl NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . . 1564dnl NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . .
1414dnl Haiku . . . # # # . # . . . . . ? . . . . . . 1565dnl Haiku . . . # # # . # . . . . . ? . . ? . . .
1415dnl BeOS # # . # # # . ? # . ? . # ? . . . . . . 1566dnl BeOS # # . # # # . ? # . ? . # ? . . ? . . .
1416dnl mingw # # # # # # . . # # . # # ? . # # # . . 1567dnl old mingw / msvcrt # # # # # # . . # # . # # ? . # # # . .
1568dnl MSVC 9 # # # # # # # . # # . # # ? # # # # . .
1569dnl mingw 2009-2011 . # . # . . . . # # . . . ? . . . . . .
1570dnl mingw-w64 2011 # # # # # # . . # # . # # ? . # # # . .