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Fix UB bug when using r_vector random access ##api

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pancake 2022-09-12 23:31:53 +02:00 committed by condret
parent 81965f1ca4
commit 7855759258
1 changed files with 5 additions and 5 deletions
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10
libr/util/vector.c
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@ -1,4 +1,4 @@
/* radare - LGPL - Copyright 2017-2020 - maskray, thestr4ng3r */
/* radare - LGPL - Copyright 2017-2022 - pancake, maskray, thestr4ng3r */
#include "r_vector.h"
@ -29,6 +29,7 @@
return NULL; \
} \
vec->a = new_a; \
memset (vec->a + (vec->elem_size * vec->capacity), 0, (new_capacity - vec->capacity) * vec->elem_size); \
vec->capacity = new_capacity; \
} while (0)
@ -43,10 +44,9 @@ R_API void r_vector_init(RVector *vec, size_t elem_size, RVectorFree free, void
R_API RVector *r_vector_new(size_t elem_size, RVectorFree free, void *free_user) {
RVector *vec = R_NEW (RVector);
if (!vec) {
return NULL;
if (R_LIKELY (vec)) {
r_vector_init (vec, elem_size, free, free_user);
}
r_vector_init (vec, elem_size, free, free_user);
return vec;
}
@ -91,7 +91,7 @@ static bool vector_clone(RVector *dst, RVector *src) {
if (!dst->len) {
dst->a = NULL;
} else {
dst->a = malloc (src->elem_size * src->capacity);
dst->a = calloc (src->elem_size, src->capacity);
if (!dst->a) {
return false;
}