diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/include/nolibc/sys.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index 833d6c5e86dc..bfe1647a3a30 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -82,7 +82,13 @@ void *sys_brk(void *addr) static __attribute__((unused)) int brk(void *addr) { - return __sysret(sys_brk(addr) ? 0 : -ENOMEM); + void *ret = sys_brk(addr); + + if (!ret) { + SET_ERRNO(ENOMEM); + return -1; + } + return 0; } static __attribute__((unused)) @@ -94,7 +100,8 @@ void *sbrk(intptr_t inc) if (ret && sys_brk(ret + inc) == ret + inc) return ret + inc; - return (void *)__sysret(-ENOMEM); + SET_ERRNO(ENOMEM); + return (void *)-1; } @@ -682,7 +689,13 @@ void *sys_mmap(void *addr, size_t length, int prot, int flags, int fd, static __attribute__((unused)) void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset) { - return (void *)__sysret((unsigned long)sys_mmap(addr, length, prot, flags, fd, offset)); + void *ret = sys_mmap(addr, length, prot, flags, fd, offset); + + if ((unsigned long)ret >= -4095UL) { + SET_ERRNO(-(long)ret); + ret = MAP_FAILED; + } + return ret; } static __attribute__((unused)) |