[PATCH] xmalloc: include size in the failure message

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Out-of-memory errors can either be actual lack of memory, or bugs (like
code trying to call xmalloc(-1) by mistake). A little more information
may help tracking bugs reported by users.

Signed-off-by: Matthieu Moy <Matthieu.Moy@xxxxxxx>
---
This kind of thing may help for cases like

Subject: Out of memory error during git push
http://thread.gmane.org/gmane.comp.version-control.git/153988

 wrapper.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/wrapper.c b/wrapper.c
index afb4f6f..7057cbd 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -40,7 +40,7 @@ void *xmalloc(size_t size)
 		if (!ret && !size)
 			ret = malloc(1);
 		if (!ret)
-			die("Out of memory, malloc failed");
+			die("Out of memory, malloc failed (tried to allocate %u bytes)", size);
 	}
 #ifdef XMALLOC_POISON
 	memset(ret, 0xA5, size);
-- 
1.7.2.1.83.ge0227

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