/* 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; libc_hidden_proto(sbrk) 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)