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add setxid.c for new set*id() framework. missed in last commit.
[oweals/musl.git]
/
src
/
linux
/
sbrk.c
diff --git
a/src/linux/sbrk.c
b/src/linux/sbrk.c
index 56f60d1b492540ea8145353e349b7562dfa2b90d..5fab74be29c83d729c5718d13f5106a1cd9be41d 100644
(file)
--- a/
src/linux/sbrk.c
+++ b/
src/linux/sbrk.c
@@
-3,5
+3,7
@@
void *sbrk(ptrdiff_t inc)
{
- return (void *)syscall1(__NR_brk, syscall1(__NR_brk, 0)+inc);
+ unsigned long cur = syscall(SYS_brk, 0);
+ if (inc && syscall(SYS_brk, cur+inc) != cur+inc) return (void *)-1;
+ return (void *)cur;
}