projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| ad3c9f2a A |
1 | /* |
| 2 | xmalloc.h - Simple malloc debugging library API | |
| 3 | ||
| 4 | This software is released under a BSD-style license. | |
| 5 | See the file LICENSE for details and copyright. | |
| 6 | ||
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _XMALLOC_H | |
| 10 | #define _XMALLOC_H 1 | |
| 11 | ||
| 12 | void *xmalloc_impl(size_t size, const char *file, int line, const char *func); | |
| 13 | void *xcalloc_impl(size_t nmemb, size_t size, const char *file, int line, | |
| 14 | const char *func); | |
| 15 | void xfree_impl(void *ptr, const char *file, int line, const char *func); | |
| 16 | void *xrealloc_impl(void *ptr, size_t new_size, const char *file, int line, | |
| 17 | const char *func); | |
| 18 | int xmalloc_dump_leaks(void); | |
| 19 | void xmalloc_configure(int fail_after); | |
| 20 | ||
| 21 | ||
| 22 | #ifndef XMALLOC_INTERNAL | |
| 23 | #ifdef MALLOC_DEBUGGING | |
| 24 | ||
| 25 | /* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__' | |
| 26 | which contains the name of the function currently being defined. | |
| 27 | # define __XMALLOC_FUNCTION __PRETTY_FUNCTION__ | |
| 28 | This is broken in G++ before version 2.6. | |
| 29 | C9x has a similar variable called __func__, but prefer the GCC one since | |
| 30 | it demangles C++ function names. */ | |
| 31 | # ifdef __GNUC__ | |
| 32 | # if __GNUC__ > 2 || (__GNUC__ == 2 \ | |
| 33 | && __GNUC_MINOR__ >= (defined __cplusplus ? 6 : 4)) | |
| 34 | # define __XMALLOC_FUNCTION __PRETTY_FUNCTION__ | |
| 35 | # else | |
| 36 | # define __XMALLOC_FUNCTION ((const char *) 0) | |
| 37 | # endif | |
| 38 | # else | |
| 39 | # if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L | |
| 40 | # define __XMALLOC_FUNCTION __func__ | |
| 41 | # else | |
| 42 | # define __XMALLOC_FUNCTION ((const char *) 0) | |
| 43 | # endif | |
| 44 | # endif | |
| 45 | ||
| 46 | #define xmalloc(size) xmalloc_impl(size, __FILE__, __LINE__, \ | |
| 47 | __XMALLOC_FUNCTION) | |
| 48 | #define xcalloc(nmemb, size) xcalloc_impl(nmemb, size, __FILE__, __LINE__, \ | |
| 49 | __XMALLOC_FUNCTION) | |
| 50 | #define xfree(ptr) xfree_impl(ptr, __FILE__, __LINE__, __XMALLOC_FUNCTION) | |
| 51 | #define xrealloc(ptr, new_size) xrealloc_impl(ptr, new_size, __FILE__, \ | |
| 52 | __LINE__, __XMALLOC_FUNCTION) | |
| 53 | #undef malloc | |
| 54 | #undef calloc | |
| 55 | #undef free | |
| 56 | #undef realloc | |
| 57 | ||
| 58 | #define malloc USE_XMALLOC_INSTEAD_OF_MALLOC | |
| 59 | #define calloc USE_XCALLOC_INSTEAD_OF_CALLOC | |
| 60 | #define free USE_XFREE_INSTEAD_OF_FREE | |
| 61 | #define realloc USE_XREALLOC_INSTEAD_OF_REALLOC | |
| 62 | ||
| 63 | #else /* !MALLOC_DEBUGGING */ | |
| 64 | ||
| 65 | #include <stdlib.h> | |
| 66 | ||
| 67 | #define xmalloc(size) malloc(size) | |
| 68 | #define xcalloc(nmemb, size) calloc(nmemb, size) | |
| 69 | #define xfree(ptr) free(ptr) | |
| 70 | #define xrealloc(ptr, new_size) realloc(ptr, new_size) | |
| 71 | ||
| 72 | #endif /* !MALLOC_DEBUGGING */ | |
| 73 | #endif /* !XMALLOC_INTERNAL */ | |
| 74 | ||
| 75 | #endif /* _XMALLOC_H */ | |
| 76 | ||
| 77 | /* EOF */ |