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- /* From libc-5.3.12 */
- #include <errno.h>
- #include <unistd.h>
- #include <sys/syscall.h>
- libc_hidden_proto(sbrk)
- extern void * __curbrk;
- extern int __init_brk (void);
- 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)
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