[git commit] vasprintf: return -1 on strdup failure

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=272d85cc8554299502d802b3db7317a7381e8bd7
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 libbb/platform.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libbb/platform.c b/libbb/platform.c
index d241d25..1973451 100644
--- a/libbb/platform.c
+++ b/libbb/platform.c
@@ -33,7 +33,7 @@ int FAST_FUNC vasprintf(char **string_ptr, const char *format, va_list p)
 	if (r < 128) {
 		va_end(p2);
 		*string_ptr = strdup(buf);
-		return r;
+		return (*string_ptr ? r : -1);
 	}
 
 	*string_ptr = malloc(r+1);