src/lib/libc/stdlib/reallocf.c, branch releng/9.3

src/lib/libc/stdlib/reallocf.c, branch releng/9.3 FreeBSD source tree https://cgit-dev.freebsd.org/src/atom?h=releng%2F9.3 2010-03-03T15:43:26Z In reallocf(3), free the memory only when size != 0. Otherwise, when the 2010-03-03T15:43:26Z Jaakko Heinonen jh@FreeBSD.org 2010-03-03T15:43:26Z urn:sha1:967e82cae01974f51547f61f104ea7b68d612965 System V compatibility option (malloc "V" flag) is in effect a zero sized reallocf() could cause a double free. PR: bin/141753 Submitted by: Dan Lukes Fix the style of the SCM ID's. 2002-03-22T21:53:29Z David E. O'Brien obrien@FreeBSD.org 2002-03-22T21:53:29Z urn:sha1:333fc21e3cd79bca0c94d7722c5a56cb5ad078d1 I believe have made all of libc .c's as consistent as possible. $Id$ -> $FreeBSD$ 1999-08-28T00:22:10Z Peter Wemm peter@FreeBSD.org 1999-08-28T00:22:10Z urn:sha1:7f3dea244c40159a41ab22da77a434d7c5b5e85a Fix style problems noted by Bruce: 1998-09-16T03:16:06Z Warner Losh imp@FreeBSD.org 1998-09-16T03:16:06Z urn:sha1:9a5722f2e848eebb61a211eb46ccba1d46289f38 o No copyright on reallocf. o Order makefile list correctly. o indent reallocf properly. Add reallocf to the library. This function is simliar to realloc, but 1998-09-14T20:34:34Z Warner Losh imp@FreeBSD.org 1998-09-14T20:34:34Z urn:sha1:94ad719cf47118069c9d840583e10ee17b5dfe50 when it returns NULL to indicate failure, it will also free the memory that was passed to it, if that was non-null. This does not change the semantics of realloc. A second commit will be done to commit the conversion of those places in the code that can safely use this to avoid memory leaks when confronted with low memory situations. Beaten-to-death-but-finally-approved-in: -current