[openssh-commits] [openssh] 01/05: upstream: add xvasprintf()

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djm pushed a commit to branch master
in repository openssh.

commit 166927fd410823eec8a7b2472463db51e0e6fef5
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Tue Nov 12 22:32:48 2019 +0000

    upstream: add xvasprintf()
    
    OpenBSD-Commit-ID: e5e3671c05c121993b034db935bce1a7aa372247
---
 xmalloc.c | 21 ++++++++++++++-------
 xmalloc.h |  4 +++-
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/xmalloc.c b/xmalloc.c
index 9cd0127d..b48d33bb 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -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 at cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo at 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;
 }
diff --git a/xmalloc.h b/xmalloc.h
index 1d5f62df..abaf7ada 100644
--- a/xmalloc.h
+++ b/xmalloc.h
@@ -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 at 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)));

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