diff options
Diffstat (limited to 'lib/libc/stdio/asprintf.c')
| -rw-r--r-- | lib/libc/stdio/asprintf.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/libc/stdio/asprintf.c b/lib/libc/stdio/asprintf.c index 48236775908..175765b196d 100644 --- a/lib/libc/stdio/asprintf.c +++ b/lib/libc/stdio/asprintf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: asprintf.c,v 1.22 2015/12/28 22:08:18 mmcc Exp $ */ +/* $OpenBSD: asprintf.c,v 1.23 2017/03/14 16:46:05 millert Exp $ */ /* * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com> @@ -23,6 +23,8 @@ #include <stdarg.h> #include "local.h" +#define INITIAL_LEN 127 /* plus one for the NUL */ + int asprintf(char **str, const char *fmt, ...) { @@ -35,10 +37,10 @@ asprintf(char **str, const char *fmt, ...) _FILEEXT_SETUP(&f, &fext); f._file = -1; f._flags = __SWR | __SSTR | __SALC; - f._bf._base = f._p = malloc(128); + f._bf._base = f._p = malloc(INITIAL_LEN + 1); if (f._bf._base == NULL) goto err; - f._bf._size = f._w = 127; /* Leave room for the NUL */ + f._bf._size = f._w = INITIAL_LEN; va_start(ap, fmt); ret = __vfprintf(&f, fmt, ap); va_end(ap); |