slstatus/components/num_files.c
Aaron Marcher faa52bdcc0 Format error messages properly
Make use of strerror(errno) and format all errors equally:
function ['parameters']: error message
2018-03-28 19:46:27 +02:00

30 lines
562 B
C

/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>
#include "../util.h"
const char *
num_files(const char *dir)
{
struct dirent *dp;
DIR *fd;
int num = 0;
if ((fd = opendir(dir)) == NULL) {
fprintf(stderr, "opendir '%s': %s\n", dir, strerror(errno));
return NULL;
}
while ((dp = readdir(fd)) != NULL) {
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
continue; /* skip self and parent */
num++;
}
closedir(fd);
return bprintf("%d", num);
}