1 files changed, 75 insertions, 84 deletions

diff --git a/lib/tests/test_opts1.c b/lib/tests/test_opts1.c
index 0b91622..077c5b6 100644
--- a/lib/tests/test_opts1.c
+++ b/lib/tests/test_opts1.c
@@ -21,14 +21,44 @@
 
 #include "tap.h"
 
-void my_free(int *argc, char **argv) {
+/* This my_free would be the most efficient way of freeing an extra-opts array,
+ * provided as an example */
+#if 0
+void my_free(int *argc, char **newargv, char **argv) {
         int i;
-        printf ("    Arg(%i): ", *argc);
-        for (i=1; i<*argc; i++) printf ("'%s' ", argv[i]);
+        /* Return if both arrays are the same */
+        if (newargv == argv) return;
+
+        for (i=1; i<*argc; i++) {
+                /* Free array items until we reach the start of the original argv */
+                if (newargv[i] == argv[1]) break;
+                free(newargv[i]);
+        }
+        /* Free the array itself */
+        free(newargv);
+}
+#else
+void my_free(int *argc, char **newargv, char **argv) {
+        /* Free stuff (and print while we're at it) */
+        int i, freeflag=1;
+        printf ("    Arg(%i): ", *argc+1);
+        printf ("'%s' ", newargv[0]);
+        for (i=1; i<*argc; i++) {
+                printf ("'%s' ", newargv[i]);
+                /* Stop freeing when we get to the start of the original array */
+                if (freeflag) {
+                        if (newargv[i] == argv[1])
+                                freeflag=0;
+                        else
+                                free(newargv[i]);
+                }
+        }
         printf ("\n");
-        free(argv);
+        /* Free only if it's a different array */
+        if (newargv != argv) free(newargv);
         *argc=0;
 }
+#endif
 
 int array_diff(int i1, char **a1, int i2, char **a2) {
         int i;
@@ -54,94 +84,55 @@ int array_diff(int i1, char **a1, int i2, char **a2) {
 int
 main (int argc, char **argv)
 {
-        char **argv_test=NULL, **argv_known=NULL;
+        char **argv_new=NULL;
         int i, argc_test;
 
         plan_tests(5);
 
-        argv_test=(char **)malloc(2*sizeof(char **));
-        argv_test[0] = "prog_name";
-        argv_test[1] = NULL;
-        argc_test=1;
-        argv_known=(char **)realloc(argv_known, 2*sizeof(char **));
-        argv_known[0] = "prog_name";
-        argv_known[1] = NULL;
-        argv_test=np_extra_opts(&argc_test, argv_test, "check_disk");
-        ok(array_diff(argc_test, argv_test, 1, argv_known), "No opts, returns correct argv/argc");
-        my_free(&argc_test, argv_test);
+        {
+                char *argv_test[] = {"prog_name", (char *) NULL};
+                argc_test=1;
+                char *argv_known[] = {"prog_name", (char *) NULL};
+                argv_new=np_extra_opts(&argc_test, argv_test, "check_disk");
+                ok(array_diff(argc_test, argv_new, 1, argv_known), "No opts, returns correct argv/argc");
+                my_free(&argc_test, argv_new, argv_test);
+        }
 
-        argv_test=(char **)malloc(6*sizeof(char **));
-        argv_test[0] = "prog_name";
-        argv_test[1] = "arg1";
-        argv_test[2] = "--arg2=val1";
-        argv_test[3] = "--arg3";
-        argv_test[4] = "val2";
-        argv_test[5] = NULL;
-        argc_test=5;
-        argv_known=(char **)realloc(argv_known, 6*sizeof(char **));
-        argv_known[0] = "prog_name";
-        argv_known[1] = "arg1";
-        argv_known[2] = "--arg2=val1";
-        argv_known[3] = "--arg3";
-        argv_known[4] = "val2";
-        argv_known[5] = NULL;
-        argv_test=np_extra_opts(&argc_test, argv_test, "check_disk");
-        ok(array_diff(argc_test, argv_test, 5, argv_known), "No extra opts, verbatim copy of argv");
-        my_free(&argc_test,argv_test);
+        {
+                char *argv_test[] = {"prog_name", "arg1", "--arg2=val1", "--arg3", "val2", (char *) NULL};
+                argc_test=5;
+                char *argv_known[] = {"prog_name", "arg1", "--arg2=val1", "--arg3", "val2", (char *) NULL};
+                argv_new=np_extra_opts(&argc_test, argv_test, "check_disk");
+                ok(array_diff(argc_test, argv_new, 5, argv_known), "No extra opts, verbatim copy of argv");
+                my_free(&argc_test, argv_new, argv_test);
+        }
 
-        argv_test=(char **)malloc(3*sizeof(char **));
-        argv_test[0] = "prog_name";
-        argv_test[1] = "--extra-opts=@./config-opts.ini";
-        argv_test[2] = NULL;
-        argc_test=2;
-        argv_known=(char **)realloc(argv_known, 5*sizeof(char **));
-        argv_known[0] = "prog_name";
-        argv_known[1] = "--foo=Bar";
-        argv_known[2] = "--this=Your Mother!";
-        argv_known[3] = "--blank";
-        argv_known[4] = NULL;
-        argv_test=np_extra_opts(&argc_test, argv_test, "check_disk");
-        ok(array_diff(argc_test, argv_test, 4, argv_known), "Only extra opts using default section");
-        my_free(&argc_test,argv_test);
+        {
+                char *argv_test[] = {"prog_name", "--extra-opts=@./config-opts.ini", (char *) NULL};
+                argc_test=2;
+                char *argv_known[] = {"prog_name", "--foo=Bar", "--this=Your Mother!", "--blank", (char *) NULL};
+                argv_new=np_extra_opts(&argc_test, argv_test, "check_disk");
+                ok(array_diff(argc_test, argv_new, 4, argv_known), "Only extra opts using default section");
+                my_free(&argc_test, argv_new, argv_test);
+        }
 
-        argv_test=(char **)malloc(5*sizeof(char **));
-        argv_test[0] = "prog_name";
-        argv_test[1] = "--extra-opts=sect1@./config-opts.ini";
-        argv_test[2] = "--extra-opts";
-        argv_test[3] = "sect2@./config-opts.ini";
-        argv_test[4] = NULL;
-        argc_test=4;
-        argv_known=(char **)realloc(argv_known, 5*sizeof(char **));
-        argv_known[0] = "prog_name";
-        argv_known[1] = "--one=two";
-        argv_known[2] = "--something else=oops";
-        argv_known[3] = "--this=that";
-        argv_known[4] = NULL;
-        argv_test=np_extra_opts(&argc_test, argv_test, "check_disk");
-        ok(array_diff(argc_test, argv_test, 4, argv_known), "Only extra opts specified twice");
-        my_free(&argc_test,argv_test);
+        {
+                char *argv_test[] = {"prog_name", "--extra-opts=sect1@./config-opts.ini", "--extra-opts", "sect2@./config-opts.ini", (char *) NULL};
+                argc_test=4;
+                char *argv_known[] = {"prog_name", "--one=two", "--something else=oops", "--this=that", (char *) NULL};
+                argv_new=np_extra_opts(&argc_test, argv_test, "check_disk");
+                ok(array_diff(argc_test, argv_new, 4, argv_known), "Only extra opts specified twice");
+                my_free(&argc_test, argv_new, argv_test);
+        }
 
-        argv_test=(char **)malloc(7*sizeof(char **));
-        argv_test[0] = "prog_name";
-        argv_test[1] = "--arg1=val1";
-        argv_test[2] = "--extra-opts=@./config-opts.ini";
-        argv_test[3] = "--extra-opts";
-        argv_test[4] = "sect1@./config-opts.ini";
-        argv_test[5] = "--arg2";
-        argv_test[6] = NULL;
-        argc_test=6;
-        argv_known=(char **)realloc(argv_known, 8*sizeof(char **));
-        argv_known[0] = "prog_name";
-        argv_known[1] = "--foo=Bar";
-        argv_known[2] = "--this=Your Mother!";
-        argv_known[3] = "--blank";
-        argv_known[4] = "--one=two";
-        argv_known[5] = "--arg1=val1";
-        argv_known[6] = "--arg2";
-        argv_known[7] = NULL;
-        argv_test=np_extra_opts(&argc_test, argv_test, "check_disk");
-        ok(array_diff(argc_test, argv_test, 7, argv_known), "twice extra opts using two sections");
-        my_free(&argc_test,argv_test);
+        {
+                char *argv_test[] = {"prog_name", "--arg1=val1", "--extra-opts=@./config-opts.ini", "--extra-opts", "sect1@./config-opts.ini", "--arg2", (char *) NULL};
+                argc_test=6;
+                char *argv_known[] = {"prog_name", "--foo=Bar", "--this=Your Mother!", "--blank", "--one=two", "--arg1=val1", "--arg2", (char *) NULL};
+                argv_new=np_extra_opts(&argc_test, argv_test, "check_disk");
+                ok(array_diff(argc_test, argv_new, 7, argv_known), "twice extra opts using two sections");
+                my_free(&argc_test, argv_new, argv_test);
+        }
 
         return exit_status();
 }