[PATCH] introduce xmalloc and xrealloc
Introduce xmalloc and xrealloc to die gracefully with a descriptive
message when out of memory, rather than taking a SIGSEGV.
Signed-off-by: Christopher Li<chrislgit@chrisli.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/diff.c b/diff.c
index 9905cdb..dd71d83 100644
--- a/diff.c
+++ b/diff.c
@@ -59,8 +59,7 @@
if (*cp == '\'')
cnt += 3;
- if (! (buf = malloc(cnt)))
- return buf;
+ buf = xmalloc(cnt);
bp = buf;
while ((c = *src++)) {
if (c != '\'')
@@ -100,7 +99,7 @@
strlen(diff_arg) +
strlen(name_1_sq) + strlen(name_2_sq)
- 5);
- char *cmd = malloc(cmd_size);
+ char *cmd = xmalloc(cmd_size);
int next_at = 0;
next_at += snprintf(cmd+next_at, cmd_size-next_at,
