upstream: add xvasprintf()

OpenBSD-Commit-ID: e5e3671c05c121993b034db935bce1a7aa372247
This commit is contained in:
djm@openbsd.org 2019-11-12 22:32:48 +00:00 committed by Damien Miller
parent 782093ec6c
commit 166927fd41
2 changed files with 17 additions and 8 deletions

View File

@ -1,4 +1,4 @@
/* $OpenBSD: xmalloc.c,v 1.35 2019/06/06 05:13:13 otto Exp $ */
/* $OpenBSD: xmalloc.c,v 1.36 2019/11/12 22:32:48 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -95,6 +95,17 @@ xstrdup(const char *str)
return cp;
}
int
xvasprintf(char **ret, const char *fmt, va_list ap)
{
int i;
i = vasprintf(ret, fmt, ap);
if (i < 0 || *ret == NULL)
fatal("xvasprintf: could not allocate memory");
return i;
}
int
xasprintf(char **ret, const char *fmt, ...)
{
@ -102,11 +113,7 @@ xasprintf(char **ret, const char *fmt, ...)
int i;
va_start(ap, fmt);
i = vasprintf(ret, fmt, ap);
i = xvasprintf(ret, fmt, ap);
va_end(ap);
if (i < 0 || *ret == NULL)
fatal("xasprintf: could not allocate memory");
return (i);
return i;
}

View File

@ -1,4 +1,4 @@
/* $OpenBSD: xmalloc.h,v 1.18 2019/06/06 05:13:13 otto Exp $ */
/* $OpenBSD: xmalloc.h,v 1.19 2019/11/12 22:32:48 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -24,3 +24,5 @@ char *xstrdup(const char *);
int xasprintf(char **, const char *, ...)
__attribute__((__format__ (printf, 2, 3)))
__attribute__((__nonnull__ (2)));
int xvasprintf(char **, const char *, va_list)
__attribute__((__nonnull__ (2)));