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8c4f69d711
When enabling _FORTIFY_SOURCE, some functions now lead to warnings when their result is not checked. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
#include <errno.h>
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#include <libgen.h>
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#undef basename
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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static void prepare (int argc, char *argv[]);
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static int do_test (void);
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#define PREPARE(argc, argv) prepare (argc, argv)
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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#ifndef EXECVP
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# define EXECVP(file, argv) execvp (file, argv)
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#endif
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static char *copy;
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static void
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prepare (int argc, char *argv[])
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{
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char *buf;
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int off;
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buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
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if (system (buf) != 0)
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{
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puts ("system failed");
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exit (1);
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}
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/* Make it not executable. */
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copy = buf + off;
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if (chmod (copy, 0666) != 0)
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{
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puts ("chmod failed");
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exit (1);
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}
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add_temp_file (copy);
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}
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static int
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do_test (void)
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{
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/* Make sure we do not find a binary with the name we are going to
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use. */
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char *bindir = strdupa (copy);
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bindir = canonicalize_file_name (dirname (bindir));
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if (bindir == NULL)
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{
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puts ("canonicalize_file_name failed");
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return 1;
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}
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char *path = xasprintf ("%s:../libio:../elf", bindir);
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setenv ("PATH", path, 1);
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char *argv[] = { basename (copy), NULL };
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errno = 0;
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EXECVP (argv[0], argv);
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if (errno != EACCES)
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{
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printf ("errno = %d (%m), expected EACCES\n", errno);
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return 1;
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}
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return 0;
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}
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