teambeef/ioq3quest
0
0
Fork 0
mirror of https://github.com/DrBeef/ioq3quest.git synced 2024-11-30 07:41:16 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fix memmove()

Browse source 
[The lcc source] overrides the libc memmove() with its own implementation,
but that implementation fails to follow the specification. In particular,
it returns NULL rather than memmove()'s first parameter.

GCC now optimizes based on this aspect of the specification, so things go
wrong at runtime.

[Text & patch from http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56881#c8]
This commit is contained in:
Mikael Pettersson 2013-04-14 10:56:47 +02:00 committed by Tim Angus
parent 6983187a99
commit 1c66e30e7e
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
code/tools/lcc/cpp/unix.c
View file

@ -109,7 +109,7 @@ memmove(void *dp, const void *sp, size_t n)
unsigned char *cdp, *csp;
if (n<=0)
return 0;
return dp;
cdp = dp;
csp = (unsigned char *)sp;
if (cdp < csp) {
@ -123,6 +123,6 @@ memmove(void *dp, const void *sp, size_t n)
*--cdp = *--csp;
} while (--n);
}
return 0;
return dp;
}
#endif