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Diffstat (limited to 'src/allocators/stdalloc.c')
-rw-r--r--src/allocators/stdalloc.c51
1 files changed, 41 insertions, 10 deletions
diff --git a/src/allocators/stdalloc.c b/src/allocators/stdalloc.c
index c4938e32b..7215468b6 100644
--- a/src/allocators/stdalloc.c
+++ b/src/allocators/stdalloc.c
@@ -9,34 +9,56 @@
static void *stdalloc__malloc(size_t len, const char *file, int line)
{
- void *ptr = malloc(len);
+ void *ptr;
GIT_UNUSED(file);
GIT_UNUSED(line);
- if (!ptr) git_error_set_oom();
+#ifdef GIT_DEBUG_STRICT_ALLOC
+ if (!len)
+ return NULL;
+#endif
+
+ ptr = malloc(len);
+
+ if (!ptr)
+ git_error_set_oom();
+
return ptr;
}
static void *stdalloc__calloc(size_t nelem, size_t elsize, const char *file, int line)
{
- void *ptr = calloc(nelem, elsize);
+ void *ptr;
GIT_UNUSED(file);
GIT_UNUSED(line);
- if (!ptr) git_error_set_oom();
+#ifdef GIT_DEBUG_STRICT_ALLOC
+ if (!elsize)
+ return NULL;
+#endif
+
+ ptr = calloc(nelem, elsize);
+
+ if (!ptr)
+ git_error_set_oom();
+
return ptr;
}
static char *stdalloc__strdup(const char *str, const char *file, int line)
{
- char *ptr = strdup(str);
+ char *ptr;
GIT_UNUSED(file);
GIT_UNUSED(line);
- if (!ptr) git_error_set_oom();
+ ptr = strdup(str);
+
+ if (!ptr)
+ git_error_set_oom();
+
return ptr;
}
@@ -48,7 +70,7 @@ static char *stdalloc__strndup(const char *str, size_t n, const char *file, int
length = p_strnlen(str, n);
if (GIT_ADD_SIZET_OVERFLOW(&alloclength, length, 1) ||
- !(ptr = stdalloc__malloc(alloclength, file, line)))
+ !(ptr = stdalloc__malloc(alloclength, file, line)))
return NULL;
if (length)
@@ -65,7 +87,7 @@ static char *stdalloc__substrdup(const char *start, size_t n, const char *file,
size_t alloclen;
if (GIT_ADD_SIZET_OVERFLOW(&alloclen, n, 1) ||
- !(ptr = stdalloc__malloc(alloclen, file, line)))
+ !(ptr = stdalloc__malloc(alloclen, file, line)))
return NULL;
memcpy(ptr, start, n);
@@ -75,12 +97,21 @@ static char *stdalloc__substrdup(const char *start, size_t n, const char *file,
static void *stdalloc__realloc(void *ptr, size_t size, const char *file, int line)
{
- void *new_ptr = realloc(ptr, size);
+ void *new_ptr;
GIT_UNUSED(file);
GIT_UNUSED(line);
- if (!new_ptr) git_error_set_oom();
+#ifdef GIT_DEBUG_STRICT_ALLOC
+ if (!size)
+ return NULL;
+#endif
+
+ new_ptr = realloc(ptr, size);
+
+ if (!new_ptr)
+ git_error_set_oom();
+
return new_ptr;
}