diff options
Diffstat (limited to 'lib/libc/stdio/snprintf.c')
| -rw-r--r-- | lib/libc/stdio/snprintf.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libc/stdio/snprintf.c b/lib/libc/stdio/snprintf.c index 8a7584c0bec5..bfcf72c9de6a 100644 --- a/lib/libc/stdio/snprintf.c +++ b/lib/libc/stdio/snprintf.c @@ -39,7 +39,7 @@ static char sccsid[] = "@(#)snprintf.c 8.1 (Berkeley) 6/4/93"; #endif static const char rcsid[] = - "$Id: snprintf.c,v 1.6 1997/12/24 12:31:31 ache Exp $"; + "$Id: snprintf.c,v 1.7 1997/12/24 14:32:39 ache Exp $"; #endif /* LIBC_SCCS and not lint */ #include <stdio.h> @@ -48,6 +48,7 @@ static const char rcsid[] = #else #include <varargs.h> #endif +#include <limits.h> #if __STDC__ int @@ -65,9 +66,10 @@ snprintf(str, n, fmt, va_alist) va_list ap; FILE f; - if ((int)n < 1) + if (n == 0) + return (0); + if (--n > INT_MAX) return (EOF); - n--; #if __STDC__ va_start(ap, fmt); #else @@ -80,7 +82,5 @@ snprintf(str, n, fmt, va_alist) ret = vfprintf(&f, fmt, ap); *f._p = 0; va_end(ap); - if (ret == EOF) - return (ret); return (ret > (int)n ? n : ret); } |