forked from Lainports/freebsd-ports
f61d73c5e5
PR: ports/127639 Submitted by: Thorsten Glaser <tg@mirbsd.de> (MirBSD project) Reported by: Mel <mel.xyzzy@rachie.is-a-geek.net>
25 lines
729 B
C
25 lines
729 B
C
$MirOS: ports/devel/ccache/patches/patch-util_c,v 1.1 2008/10/05 17:03:37 tg Exp $
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Very interesting bug: tries to read “size” bytes
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from “ptr” (of size “oldsize”) while copying to
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“p2” (of size “size”), instead of “oldsize” bytes;
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with mmap malloc, jemalloc, and possibly omalloc,
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the additional RAM needed is not always in core…
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--- util.c.orig Mon Sep 13 10:38:08 2004
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+++ util.c Sun Oct 5 16:58:39 2008
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@@ -187,13 +187,9 @@ void *x_realloc(void *ptr, size_t size)
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{
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void *p2;
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if (!ptr) return x_malloc(size);
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- p2 = malloc(size);
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+ p2 = realloc(ptr, size);
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if (!p2) {
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fatal("out of memory in x_realloc");
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- }
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- if (ptr) {
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- memcpy(p2, ptr, size);
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- free(ptr);
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}
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return p2;
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}
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