mirror of
https://github.com/pikami/slstatus.git
synced 2024-11-30 07:15:42 +00:00
44 lines
688 B
C
44 lines
688 B
C
/* See LICENSE file for copyright and license details. */
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "util.h"
|
|
|
|
const char *
|
|
bprintf(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
size_t len;
|
|
|
|
va_start(ap, fmt);
|
|
len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (len >= sizeof(buf))
|
|
buf[sizeof(buf)-1] = '\0';
|
|
|
|
return buf;
|
|
}
|
|
|
|
int
|
|
pscanf(const char *path, const char *fmt, ...)
|
|
{
|
|
FILE *fp;
|
|
va_list ap;
|
|
int n;
|
|
|
|
if (!(fp = fopen(path, "r"))) {
|
|
warn("fopen %s: %s\n", path, strerror(errno));
|
|
return -1;
|
|
}
|
|
va_start(ap, fmt);
|
|
n = vfscanf(fp, fmt, ap);
|
|
va_end(ap);
|
|
fclose(fp);
|
|
|
|
return (n == EOF) ? -1 : n;
|
|
}
|