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author | RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> | 2023-01-31 14:46:01 +0100 |
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committer | RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> | 2023-01-31 14:46:01 +0100 |
commit | e8bd88d1fcded01ccd066572eeaae1b507989cb3 (patch) | |
tree | c8e7be6c07c6f635f6e803e6a6ba9e7a95fee7c0 /gl/m4/open-slash.m4 | |
parent | 2ad962c13473607ca0d974bfaa516a0ed53ec73d (diff) | |
download | monitoring-plugins-e8bd88d1fcded01ccd066572eeaae1b507989cb3.tar.gz |
Sync with the latest Gnulib code 668c0b8ffa
Diffstat (limited to 'gl/m4/open-slash.m4')
-rw-r--r-- | gl/m4/open-slash.m4 | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gl/m4/open-slash.m4 b/gl/m4/open-slash.m4 new file mode 100644 index 00000000..1f731f8a --- /dev/null +++ b/gl/m4/open-slash.m4 | |||
@@ -0,0 +1,60 @@ | |||
1 | # open-slash.m4 serial 2 | ||
2 | dnl Copyright (C) 2007-2023 Free Software Foundation, Inc. | ||
3 | dnl This file is free software; the Free Software Foundation | ||
4 | dnl gives unlimited permission to copy and/or distribute it, | ||
5 | dnl with or without modifications, as long as this notice is preserved. | ||
6 | |||
7 | dnl Tests whether open() and creat() recognize a trailing slash. | ||
8 | dnl Sets gl_cv_func_open_slash. | ||
9 | AC_DEFUN([gl_OPEN_TRAILING_SLASH_BUG], | ||
10 | [ | ||
11 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles | ||
12 | dnl open("foo/") should not create a file when the file name has a | ||
13 | dnl trailing slash. FreeBSD only has the problem on symlinks. | ||
14 | AC_CHECK_FUNCS_ONCE([lstat]) | ||
15 | AC_CACHE_CHECK([whether open recognizes a trailing slash], | ||
16 | [gl_cv_func_open_slash], | ||
17 | [# Assume that if we have lstat, we can also check symlinks. | ||
18 | if test $ac_cv_func_lstat = yes; then | ||
19 | touch conftest.tmp | ||
20 | ln -s conftest.tmp conftest.lnk | ||
21 | fi | ||
22 | AC_RUN_IFELSE( | ||
23 | [AC_LANG_SOURCE([[ | ||
24 | #include <fcntl.h> | ||
25 | #if HAVE_UNISTD_H | ||
26 | # include <unistd.h> | ||
27 | #endif | ||
28 | ]GL_MDA_DEFINES[ | ||
29 | int main () | ||
30 | { | ||
31 | int result = 0; | ||
32 | #if HAVE_LSTAT | ||
33 | if (open ("conftest.lnk/", O_RDONLY) != -1) | ||
34 | result |= 1; | ||
35 | #endif | ||
36 | if (open ("conftest.sl/", O_CREAT, 0600) >= 0) | ||
37 | result |= 2; | ||
38 | return result; | ||
39 | }]])], | ||
40 | [gl_cv_func_open_slash=yes], | ||
41 | [gl_cv_func_open_slash=no], | ||
42 | [ | ||
43 | changequote(,)dnl | ||
44 | case "$host_os" in | ||
45 | freebsd* | aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*) | ||
46 | gl_cv_func_open_slash="guessing no" ;; | ||
47 | *) | ||
48 | gl_cv_func_open_slash="guessing yes" ;; | ||
49 | esac | ||
50 | changequote([,])dnl | ||
51 | ]) | ||
52 | rm -f conftest.sl conftest.tmp conftest.lnk | ||
53 | ]) | ||
54 | case "$gl_cv_func_open_slash" in | ||
55 | *no) | ||
56 | AC_DEFINE([OPEN_TRAILING_SLASH_BUG], [1], | ||
57 | [Define to 1 if open() fails to recognize a trailing slash.]) | ||
58 | ;; | ||
59 | esac | ||
60 | ]) | ||