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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/ipxe/src/include/alloca.h | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/ipxe/src/include/alloca.h')
| -rw-r--r-- | roms/ipxe/src/include/alloca.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/roms/ipxe/src/include/alloca.h b/roms/ipxe/src/include/alloca.h new file mode 100644 index 00000000..08398fb3 --- /dev/null +++ b/roms/ipxe/src/include/alloca.h @@ -0,0 +1,25 @@ +#ifndef _ALLOCA_H +#define _ALLOCA_H + +/** + * @file + * + * Temporary memory allocation + * + */ + +#include <stdint.h> + +/** + * Allocate temporary memory from the stack + * + * @v size Size to allocate + * @ret ptr Allocated memory + * + * This memory will be freed automatically when the containing + * function returns. There are several caveats regarding use of + * alloca(); use it only if you already know what they are. + */ +#define alloca(size) __builtin_alloca ( size ) + +#endif /* _ALLOCA_H */ |