[PATCH] D19085: [clang-analyzer] fix warnings emitted on compiler-rt code base
Apelete Seketeli via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 14 15:17:57 PDT 2016
apelete updated this revision to Diff 53794.
apelete added a comment.
[clang-analyzer] fix warnings emitted on compiler-rt code base
Following changes were done in this revision:
- lib/builtins/emutls.c: expand calculation of new size of allocation to make use of actual type apparent.
http://reviews.llvm.org/D19085
Files:
lib/builtins/emutls.c
Index: lib/builtins/emutls.c
===================================================================
--- lib/builtins/emutls.c
+++ lib/builtins/emutls.c
@@ -164,12 +164,14 @@
emutls_address_array* array = pthread_getspecific(emutls_pthread_key);
if (array == NULL) {
uintptr_t new_size = emutls_new_data_array_size(index);
- array = calloc(new_size + 1, sizeof(void*));
+ array = malloc(new_size * sizeof(void *) + sizeof(emutls_address_array *));
+ if (array)
+ memset(array->data, 0, new_size * sizeof(void*));
emutls_check_array_set_size(array, new_size);
} else if (index > array->size) {
uintptr_t orig_size = array->size;
uintptr_t new_size = emutls_new_data_array_size(index);
- array = realloc(array, (new_size + 1) * sizeof(void*));
+ array = realloc(array, new_size * sizeof(void *) + sizeof(emutls_address_array *));
if (array)
memset(array->data + orig_size, 0,
(new_size - orig_size) * sizeof(void*));
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