suckless/components/cat.c
alejandrogs73 2ed1e8d89d Squashed 'slstatus/' content from commit 675c839
git-subtree-dir: slstatus
git-subtree-split: 675c83912ea1aca9834448aaa87a040bc9990c52
2026-09-25 10:52:06 +02:00

32 lines
652 B
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <string.h>
#include "../slstatus.h"
#include "../util.h"
const char *
cat(const char *path)
{
char *f;
FILE *fp;
if (!(fp = fopen(path, "r"))) {
warn("fopen '%s':", path);
return NULL;
}
f = fgets(buf, sizeof(buf) - 1, fp);
if (fclose(fp) < 0) {
warn("fclose '%s':", path);
return NULL;
}
if (!f)
return NULL;
if ((f = strrchr(buf, '\n')))
f[0] = '\0';
return buf[0] ? buf : NULL;
}