| /* From libc-5.3.12 */ | |
| #include <errno.h> | |
| #include <unistd.h> | |
| #include <sys/syscall.h> | |
| extern void * __curbrk attribute_hidden; | |
| extern int __init_brk (void) attribute_hidden; | |
| extern void *_brk(void *ptr) attribute_hidden; | |
| void * | |
| sbrk(intptr_t increment) | |
| { | |
| if (__init_brk () == 0) | |
| { | |
| char * tmp = (char*)__curbrk+increment; | |
| __curbrk = _brk(tmp); | |
| if (__curbrk == tmp) | |
| return tmp-increment; | |
| __set_errno(ENOMEM); | |
| return ((void *) -1); | |
| } | |
| return ((void *) -1); | |
| } | |
| libc_hidden_def(sbrk) |