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glibc/posix/bug-glob1.c
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/* Test case for globbing dangling symlink. By Ulrich Drepper. */ | |
#include <errno.h> | |
#include <error.h> | |
#include <glob.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <unistd.h> | |
static void prepare (int argc, char *argv[]); | |
#define PREPARE prepare | |
static int do_test (void); | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" | |
static char *fname; | |
static void | |
prepare (int argc, char *argv[]) | |
{ | |
if (argc < 2) | |
error (EXIT_FAILURE, 0, "missing argument"); | |
size_t len = strlen (argv[1]); | |
static const char ext[] = "globXXXXXX"; | |
fname = malloc (len + sizeof (ext)); | |
if (fname == NULL) | |
error (EXIT_FAILURE, errno, "cannot create temp file"); | |
again: | |
strcpy (stpcpy (fname, argv[1]), ext); | |
fname = mktemp (fname); | |
if (fname == NULL || *fname == '\0') | |
error (EXIT_FAILURE, errno, "cannot create temp file name"); | |
if (symlink ("bug-glob1-does-not-exist", fname) != 0) | |
{ | |
if (errno == EEXIST) | |
goto again; | |
error (EXIT_FAILURE, errno, "cannot create symlink"); | |
} | |
add_temp_file (fname); | |
} | |
static int | |
do_test (void) | |
{ | |
glob_t gl; | |
int retval = 0; | |
int e; | |
e = glob (fname, 0, NULL, &gl); | |
if (e == 0) | |
{ | |
printf ("glob(\"%s\") succeeded\n", fname); | |
retval = 1; | |
} | |
globfree (&gl); | |
size_t fnamelen = strlen (fname); | |
char buf[fnamelen + 2]; | |
strcpy (buf, fname); | |
buf[fnamelen - 1] = '?'; | |
e = glob (buf, 0, NULL, &gl); | |
if (e == 0) | |
{ | |
printf ("glob(\"%s\") succeeded\n", buf); | |
retval = 1; | |
} | |
globfree (&gl); | |
strcpy (buf, fname); | |
buf[fnamelen] = '*'; | |
buf[fnamelen + 1] = '\0'; | |
e = glob (buf, 0, NULL, &gl); | |
if (e == 0) | |
{ | |
printf ("glob(\"%s\") succeeded\n", buf); | |
retval = 1; | |
} | |
globfree (&gl); | |
return retval; | |
} |