/* See LICENSE file for copyright and license details. */
-#include <err.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
bprintf(const char *fmt, ...)
{
va_list ap;
- size_t len;
+ int ret;
va_start(ap, fmt);
- len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
+ if ((ret = vsnprintf(buf, sizeof(buf), fmt, ap)) < 0) {
+ fprintf(stderr, "vsnprintf: %s\n", strerror(errno));
+ } else if ((size_t)ret >= sizeof(buf)) {
+ fprintf(stderr, "vsnprintf: Output truncated\n");
+ }
va_end(ap);
- if (len >= sizeof(buf))
- buf[sizeof(buf)-1] = '\0';
-
return buf;
}
int n;
if (!(fp = fopen(path, "r"))) {
- warn("fopen %s: %s\n", path, strerror(errno));
+ fprintf(stderr, "fopen '%s': %s\n", path, strerror(errno));
return -1;
}
va_start(ap, fmt);