diff options
Diffstat (limited to 'zap/src/mem/memgen.c')
| -rw-r--r-- | zap/src/mem/memgen.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/zap/src/mem/memgen.c b/zap/src/mem/memgen.c new file mode 100644 index 0000000..a39e326 --- /dev/null +++ b/zap/src/mem/memgen.c @@ -0,0 +1,25 @@ +/* + Copyright 2022 Gabriel Jensen. + This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. + If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. +*/ + +#include <zap/priv.h> + +/*.globl zap_memgen + +zap_memgen:*/ + + /* + void * ptr + zap_sz sz + zap_sz num + void (* fn)(zap_sz,void *) + */ + +void zap_memgen(void * const _ptr,zap_sz const _sz,zap_sz const _num,void (* const _fn)(zap_sz,void *)) { + unsigned char * ptr = _ptr; + unsigned char * const afterbuf = ptr + _sz * _num; + for (;ptr != afterbuf;ptr += _sz) {_fn((ptr - (unsigned char *)_ptr) / _sz,ptr);} +} + |