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glibc/posix/tst-execvp2.c
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#include <errno.h> | |
#include <libgen.h> | |
#undef basename | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <unistd.h> | |
#include <sys/stat.h> | |
static void prepare (int argc, char *argv[]); | |
static int do_test (void); | |
#define PREPARE(argc, argv) prepare (argc, argv) | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" | |
#ifndef EXECVP | |
# define EXECVP(file, argv) execvp (file, argv) | |
#endif | |
static char *copy; | |
static void | |
prepare (int argc, char *argv[]) | |
{ | |
char *buf; | |
int off; | |
asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]); | |
if (buf == NULL) | |
{ | |
puts ("asprintf failed"); | |
exit (1); | |
} | |
if (system (buf) != 0) | |
{ | |
puts ("system failed"); | |
exit (1); | |
} | |
/* Make it not executable. */ | |
copy = buf + off; | |
if (chmod (copy, 0666) != 0) | |
{ | |
puts ("chmod failed"); | |
exit (1); | |
} | |
add_temp_file (copy); | |
} | |
static int | |
do_test (void) | |
{ | |
/* Make sure we do not find a binary with the name we are going to | |
use. */ | |
char *bindir = strdupa (copy); | |
bindir = canonicalize_file_name (dirname (bindir)); | |
if (bindir == NULL) | |
{ | |
puts ("canonicalize_file_name failed"); | |
return 1; | |
} | |
char *path; | |
asprintf (&path, "%s:../libio:../elf", bindir); | |
if (path == NULL) | |
{ | |
puts ("asprintf failed"); | |
return 1; | |
} | |
setenv ("PATH", path, 1); | |
char *argv[] = { basename (copy), NULL }; | |
errno = 0; | |
EXECVP (argv[0], argv); | |
if (errno != EACCES) | |
{ | |
printf ("errno = %d (%m), expected EACCES\n", errno); | |
return 1; | |
} | |
return 0; | |
} |