diff options
Diffstat (limited to 'stat.c')
-rw-r--r-- | stat.c | 46 |
1 files changed, 46 insertions, 0 deletions
@@ -0,0 +1,46 @@ +#include <sys/stat.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <time.h> +#include <stdint.h> +#include <unistd.h> + +#define TEST2(c, l, ...) ((c) ? 1 : \ +(err++,printf(__FILE__":"#l": "#c" failed: " __VA_ARGS__),putchar('\n'),0)) +#define TEST1(c, l, ...) TEST2(c, l, __VA_ARGS__) +#define TEST(c, ...) TEST1(c, __LINE__, __VA_ARGS__) + +int test_stat(void) +{ + int err = 0; + struct stat st; + FILE *f; + time_t t; + + if (TEST(stat(".",&st)==0, "errno = %s", strerror(errno))) { + TEST(S_ISDIR(st.st_mode), ""); + TEST(st.st_nlink>0, "%ju", (uintmax_t)st.st_nlink); + t = time(0); + TEST(st.st_ctime<=t, "%jd > %jd", (intmax_t)st.st_ctime, (intmax_t)t); + TEST(st.st_mtime<=t, "%jd > %jd", (intmax_t)st.st_mtime, (intmax_t)t); + TEST(st.st_atime<=t, "%jd > %jd", (intmax_t)st.st_atime, (intmax_t)t); + } + + if (TEST(stat("/dev/null",&st)==0, "errno = %s", strerror(errno))) { + TEST(S_ISCHR(st.st_mode), ""); + } + + if ((f = tmpfile())) { + fputs("hello", f); + fflush(f); + if (TEST(fstat(fileno(f),&st)==0, "errnp = %s", strerror(errno))) { + TEST(st.st_uid==geteuid(), "%d vs %d", (int)st.st_uid, (int)geteuid()); + TEST(st.st_gid==getegid(), "%d vs %d", (int)st.st_uid, (int)geteuid()); + TEST(st.st_size==5, "%jd vs 5", (intmax_t)st.st_size); + } + fclose(f); + } + + return err; +} |