itmk: replace overlapping strcpy with memmove - plan9port - [fork] Plan 9 from user space	Err	mx1.adamsgaard.dk	70
hgit clone git://src.adamsgaard.dk/plan9port	URL:git://src.adamsgaard.dk/plan9port	mx1.adamsgaard.dk	70
1Log	/src/plan9port/log.gph	mx1.adamsgaard.dk	70
1Files	/src/plan9port/files.gph	mx1.adamsgaard.dk	70
1Refs	/src/plan9port/refs.gph	mx1.adamsgaard.dk	70
1README	/src/plan9port/file/README.md.gph	mx1.adamsgaard.dk	70
1LICENSE	/src/plan9port/file/LICENSE.gph	mx1.adamsgaard.dk	70
i---	Err	mx1.adamsgaard.dk	70
1commit 154140a22b1c697f6a3edb3e5913efded1be082a	/src/plan9port/commit/154140a22b1c697f6a3edb3e5913efded1be082a.gph	mx1.adamsgaard.dk	70
1parent 8cb7308f3a24249ed091c7decf22005c64099783	/src/plan9port/commit/8cb7308f3a24249ed091c7decf22005c64099783.gph	mx1.adamsgaard.dk	70
hAuthor: Russ Cox <rsc@swtch.com>	URL:mailto:rsc@swtch.com	mx1.adamsgaard.dk	70
iDate:   Sun, 17 May 2020 20:06:31 -0400	Err	mx1.adamsgaard.dk	70
i	Err	mx1.adamsgaard.dk	70
imk: replace overlapping strcpy with memmove	Err	mx1.adamsgaard.dk	70
i	Err	mx1.adamsgaard.dk	70
iFound by ASAN.	Err	mx1.adamsgaard.dk	70
i	Err	mx1.adamsgaard.dk	70
iDiffstat:	Err	mx1.adamsgaard.dk	70
i  M src/cmd/mk/env.c                    |       3 ++-	Err	mx1.adamsgaard.dk	70
i	Err	mx1.adamsgaard.dk	70
i1 file changed, 2 insertions(+), 1 deletion(-)	Err	mx1.adamsgaard.dk	70
i---	Err	mx1.adamsgaard.dk	70
1diff --git a/src/cmd/mk/env.c b/src/cmd/mk/env.c	/src/plan9port/file/src/cmd/mk/env.c.gph	mx1.adamsgaard.dk	70
it@@ -123,7 +123,8 @@ buildenv(Job *j, int slot)	Err	mx1.adamsgaard.dk	70
i                         qp = strchr(cp+1, ')');	Err	mx1.adamsgaard.dk	70
i                         if(qp){	Err	mx1.adamsgaard.dk	70
i                                 *qp = 0;	Err	mx1.adamsgaard.dk	70
i-                                strcpy(w->s, cp+1);	Err	mx1.adamsgaard.dk	70
i+                                /* strcpy, but might overlap */	Err	mx1.adamsgaard.dk	70
i+                                memmove(w->s, cp+1, strlen(cp+1)+1);	Err	mx1.adamsgaard.dk	70
i                                 l = &w->next;	Err	mx1.adamsgaard.dk	70
i                                 w = w->next;	Err	mx1.adamsgaard.dk	70
i                                 continue;	Err	mx1.adamsgaard.dk	70
.