diff options
Diffstat (limited to 'sysdeps/generic/_strerror.c')
| -rw-r--r-- | sysdeps/generic/_strerror.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sysdeps/generic/_strerror.c b/sysdeps/generic/_strerror.c index 72ebb216bf..569f7018e5 100644 --- a/sysdeps/generic/_strerror.c +++ b/sysdeps/generic/_strerror.c @@ -18,6 +18,7 @@ Cambridge, MA 02139, USA. */ #include <stdio.h> #include <string.h> +#include "../stdio-common/_itoa.h" #ifndef HAVE_GNU_LD #define _sys_errlist sys_errlist @@ -31,13 +32,14 @@ _strerror_internal (errnum, buf, buflen) char *buf; size_t buflen; { - if (errnum < 0 || errnum > _sys_nerr) + if (errnum < 0 || errnum >= _sys_nerr) { - int len = __snprintf (buf, buflen, _("Unknown error %d"), errnum); - if (len < 0) - return NULL; - buf[len - 1] = '\0'; - return buf; + const char *unk = _("Unknown error "); + const size_t unklen = strlen (unk); + char *p = buf + buflen; + *--p = '\0'; + p = _itoa (errnum, p, 10, 0); + return memcpy (p - unklen, unk, unklen); } return (char *) _(_sys_errlist[errnum]); |