diff options
Diffstat (limited to 'posix/tst-execvp2.c')
-rw-r--r-- | posix/tst-execvp2.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/posix/tst-execvp2.c b/posix/tst-execvp2.c new file mode 100644 index 0000000..7e0f5d8 --- /dev/null +++ b/posix/tst-execvp2.c @@ -0,0 +1,82 @@ +#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" + + +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; +} |