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/* test of touch(), touchf(), erase(), and erasef() */
#include <err.h>
#include <paths.h>
#include <signal.h>
#include <stdarg.h>
#include <time.h>
#include "check.h"
#define FMT "%s-bar"
int verbose = 0;
static int mtime(char *file)
{
int ret;
char buf[80];
struct stat before, after;
PRINT("Calling touch() to create file ...\n");
touch(file);
stat(file, &before);
/* Must sleep a while here otherwise we execute too fast => no mtime change :-( */
sleep(2);
PRINT("Calling touch() again to update mtime ...\n");
if (touch(file)) {
erase(file);
err(1, "Failed creating %s", file);
}
stat(file, &after);
ret = timespec_newer(&after.st_mtim, &before.st_mtim);
PRINT("Before: %s\n", timespec2str(&before.st_mtim, buf, sizeof(buf)));
PRINT("After : %s\n", timespec2str(&after.st_mtim, buf, sizeof(buf)));
erase(file);
return !ret;
}
static int formatted(char *file)
{
char vrfy[80];
if (touchf(FMT, file))
err(1, "Failed creating " FMT, file);
PRINT("Created " FMT "\n", file);
snprintf(vrfy, sizeof(vrfy), FMT, file);
if (!fexist(vrfy))
errx(1, "touchf() does not detect failure to create file " FMT, file);
PRINT("File " FMT " really does exist!\n", file);
erasef(FMT, file);
if (fexist(vrfy)) {
int saved = errno;
erase(vrfy);
errno = saved;
errx(1, "erasef() failed removing the created file " FMT, file);
}
return 0;
}
int main(int argc, char *argv[])
{
int fd;
char file[42] = "/tmp/touch_test.XXXXXX";
if (argc > 1 && !strcmp(argv[1], "-v"))
verbose = 1;
fd = mkstemp(file);
if (fd < 0)
err(1, "Failed creating tempfile, %s", file);
close(fd);
return mtime(file) || formatted(file);
}
/**
* Local Variables:
* indent-tabs-mode: t
* c-file-style: "linux"
* compile-command: "make touch && ./touch -v"
* End:
*/
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