source src/allocators/stdalloc.c
| Line | Flow | Count | Block(s) | Source |
|---|---|---|---|---|
| 1 | - | /* | ||
| 2 | - | * Copyright (C) the libgit2 contributors. All rights reserved. | ||
| 3 | - | * | ||
| 4 | - | * This file is part of libgit2, distributed under the GNU GPL v2 with | ||
| 5 | - | * a Linking Exception. For full terms see the included COPYING file. | ||
| 6 | - | */ | ||
| 7 | - | |||
| 8 | - | #include "stdalloc.h" | ||
| 9 | - | |||
| 10 | 923092 | 2 | static void *stdalloc__malloc(size_t len, const char *file, int line) | |
| 11 | - | { | ||
| 12 | 923092 | 2 | void *ptr = malloc(len); | |
| 13 | - | |||
| 14 | - | GIT_UNUSED(file); | ||
| 15 | - | GIT_UNUSED(line); | ||
| 16 | - | |||
| 17 | 923092 | 2,3 | if (!ptr) git_error_set_oom(); | |
| 18 | 923937 | 4 | return ptr; | |
| 19 | - | } | ||
| 20 | - | |||
| 21 | 1959265 | 2 | static void *stdalloc__calloc(size_t nelem, size_t elsize, const char *file, int line) | |
| 22 | - | { | ||
| 23 | 1959265 | 2 | void *ptr = calloc(nelem, elsize); | |
| 24 | - | |||
| 25 | - | GIT_UNUSED(file); | ||
| 26 | - | GIT_UNUSED(line); | ||
| 27 | - | |||
| 28 | 1959265 | 2,3 | if (!ptr) git_error_set_oom(); | |
| 29 | 1964749 | 4 | return ptr; | |
| 30 | - | } | ||
| 31 | - | |||
| 32 | 825666 | 2 | static char *stdalloc__strdup(const char *str, const char *file, int line) | |
| 33 | - | { | ||
| 34 | 825666 | 2 | char *ptr = strdup(str); | |
| 35 | - | |||
| 36 | - | GIT_UNUSED(file); | ||
| 37 | - | GIT_UNUSED(line); | ||
| 38 | - | |||
| 39 | 825666 | 2,3 | if (!ptr) git_error_set_oom(); | |
| 40 | 825832 | 4 | return ptr; | |
| 41 | - | } | ||
| 42 | - | |||
| 43 | ![]() |
- | 2 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files)static char *stdalloc__strndup(const char *str, size_t n, const char *file, int line) |
| 44 | - | { | ||
| 45 | - | 2 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) size_t length = 0, alloclength; | |
| 46 | - | char *ptr; | ||
| 47 | - | |||
| 48 | - | 2 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) length = p_strnlen(str, n); | |
| 49 | - | |||
| 50 | - | 3-7 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) if (GIT_ADD_SIZET_OVERFLOW(&alloclength, length, 1) || | |
| 51 | - | 6 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) !(ptr = stdalloc__malloc(alloclength, file, line))) | |
| 52 | - | 8 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) return NULL; | |
| 53 | - | |||
| 54 | - | 9 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) if (length) | |
| 55 | - | 10 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) memcpy(ptr, str, length); | |
| 56 | - | |||
| 57 | - | 11 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) ptr[length] = '\0'; | |
| 58 | - | |||
| 59 | - | 11 | suppressed: function cannot be solved stdalloc__strndup (automatic due to inconsistent arc counts in .gcda files) return ptr; | |
| 60 | - | } | ||
| 61 | - | |||
| 62 | ![]() |
52638 | 2 | static char *stdalloc__substrdup(const char *start, size_t n, const char *file, int line) |
| 63 | - | { | ||
| 64 | - | char *ptr; | ||
| 65 | - | size_t alloclen; | ||
| 66 | - | |||
| 67 | 52638 | 2-6 | if (GIT_ADD_SIZET_OVERFLOW(&alloclen, n, 1) || | |
| 68 | 52638 | 5 | !(ptr = stdalloc__malloc(alloclen, file, line))) | |
| 69 | ##### | 7 | return NULL; | |
| 70 | - | |||
| 71 | 52638 | 8 | memcpy(ptr, start, n); | |
| 72 | 52638 | 8 | ptr[n] = '\0'; | |
| 73 | 52638 | 8 | return ptr; | |
| 74 | - | } | ||
| 75 | - | |||
| 76 | 2768150 | 2 | static void *stdalloc__realloc(void *ptr, size_t size, const char *file, int line) | |
| 77 | - | { | ||
| 78 | 2768150 | 2 | void *new_ptr = realloc(ptr, size); | |
| 79 | - | |||
| 80 | - | GIT_UNUSED(file); | ||
| 81 | - | GIT_UNUSED(line); | ||
| 82 | - | |||
| 83 | 2768150 | 2,3 | if (!new_ptr) git_error_set_oom(); | |
| 84 | 2777989 | 4 | return new_ptr; | |
| 85 | - | } | ||
| 86 | - | |||
| 87 | ![]() |
939889 | 2 | static void *stdalloc__reallocarray(void *ptr, size_t nelem, size_t elsize, const char *file, int line) |
| 88 | - | { | ||
| 89 | - | size_t newsize; | ||
| 90 | - | |||
| 91 | 939889 | 2-7 | if (GIT_MULTIPLY_SIZET_OVERFLOW(&newsize, nelem, elsize)) | |
| 92 | ##### | 8 | return NULL; | |
| 93 | - | |||
| 94 | 939746 | 9 | return stdalloc__realloc(ptr, newsize, file, line); | |
| 95 | - | } | ||
| 96 | - | |||
| 97 | 142 | 2 | static void *stdalloc__mallocarray(size_t nelem, size_t elsize, const char *file, int line) | |
| 98 | - | { | ||
| 99 | 142 | 2 | return stdalloc__reallocarray(NULL, nelem, elsize, file, line); | |
| 100 | - | } | ||
| 101 | - | |||
| 102 | 7376125 | 2 | static void stdalloc__free(void *ptr) | |
| 103 | - | { | ||
| 104 | 7376125 | 2 | free(ptr); | |
| 105 | 7376125 | 2 | } | |
| 106 | - | |||
| 107 | 14 | 2 | int git_stdalloc_init_allocator(git_allocator *allocator) | |
| 108 | - | { | ||
| 109 | 14 | 2 | allocator->gmalloc = stdalloc__malloc; | |
| 110 | 14 | 2 | allocator->gcalloc = stdalloc__calloc; | |
| 111 | 14 | 2 | allocator->gstrdup = stdalloc__strdup; | |
| 112 | 14 | 2 | allocator->gstrndup = stdalloc__strndup; | |
| 113 | 14 | 2 | allocator->gsubstrdup = stdalloc__substrdup; | |
| 114 | 14 | 2 | allocator->grealloc = stdalloc__realloc; | |
| 115 | 14 | 2 | allocator->greallocarray = stdalloc__reallocarray; | |
| 116 | 14 | 2 | allocator->gmallocarray = stdalloc__mallocarray; | |
| 117 | 14 | 2 | allocator->gfree = stdalloc__free; | |
| 118 | 14 | 2 | return 0; | |
| 119 | - | } |