diff options
| author | HASUMI Hitoshi <[email protected]> | 2024-02-27 14:25:22 +0900 |
|---|---|---|
| committer | git <[email protected]> | 2024-03-04 16:40:23 +0000 |
| commit | c4bd6da2988ecdf3e6d00be78e58a4eba6192bed (patch) | |
| tree | f5cc0976ae7ff16bac9913f02ec4d32adef41160 /prism/defines.h | |
| parent | 61ea202f8b10060e000f79a936e5e608eacb50ee (diff) | |
[ruby/prism] Make alloc interface replaceable
- Add `x` prefix to malloc, calloc, realloc, and free
(eg: malloc -> xmalloc)
- By default, they are replaced with stdlib's functions at build
- You can use custom functions by defining `PRISM_CUSTOM_ALLOCATOR` macro
https://github.com/ruby/prism/commit/7a878af619
Diffstat (limited to 'prism/defines.h')
| -rw-r--r-- | prism/defines.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/prism/defines.h b/prism/defines.h index 6c09f108c2..00ed80209a 100644 --- a/prism/defines.h +++ b/prism/defines.h @@ -125,4 +125,27 @@ # define isinf(x) (sizeof(x) == sizeof(float) ? !_finitef(x) : !_finite(x)) #endif +/** + * If you build prism with a custom allocator, configure it with "-D PRISM_CUSTOM_ALLOCATOR" + * to use your own allocator that defines xmalloc, xrealloc, xcalloc, and xfree. + * For example, your `custom_allocator.h` file could look like this: + * ``` + * #ifndef PRISM_CUSTOM_ALLOCATOR_H + * #define PRISM_CUSTOM_ALLOCATOR_H + * #define xmalloc my_malloc + * #define xrealloc my_realloc + * #define xcalloc my_calloc + * #define xfree my_free + * #endif + * ``` + */ +#ifdef PRISM_CUSTOM_ALLOCATOR +# include "custom_allocator.h" +#else +# define xmalloc malloc +# define xrealloc realloc +# define xcalloc calloc +# define xfree free +#endif + #endif |