mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-28 00:16:55 +00:00
72 lines
2.3 KiB
Diff
72 lines
2.3 KiB
Diff
diff --git a/MCInst.c b/MCInst.c
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index d521845..3f75de3 100644
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--- a/MCInst.c
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+++ b/MCInst.c
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@@ -16,14 +16,7 @@
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void MCInst_Init(MCInst *inst)
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{
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- inst->OpcodePub = 0;
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- inst->size = 0;
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- inst->has_imm = false;
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- inst->op1_size = 0;
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- inst->writeback = false;
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- inst->ac_idx = 0;
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- inst->popcode_adjust = 0;
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- inst->assembly[0] = '\0';
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+ memset (inst, 0, sizeof (MCInst));
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}
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void MCInst_clear(MCInst *inst)
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diff --git a/cs.c b/cs.c
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index 19c65c7..96f9898 100644
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--- a/cs.c
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+++ b/cs.c
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@@ -627,7 +627,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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size_org = size;
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total_size = sizeof(cs_insn) * cache_size;
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- total = cs_mem_malloc(total_size);
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+ total = cs_mem_calloc(total_size, 1);
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if (total == NULL) {
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// insufficient memory
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handle->errnum = CS_ERR_MEM;
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@@ -645,7 +645,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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if (handle->detail) {
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// allocate memory for @detail pointer
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- insn_cache->detail = cs_mem_malloc(sizeof(cs_detail));
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+ insn_cache->detail = cs_mem_calloc(sizeof(cs_detail), 1);
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} else {
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insn_cache->detail = NULL;
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}
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@@ -728,6 +728,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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if (f == cache_size) {
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// full cache, so expand the cache to contain incoming insns
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cache_size = cache_size * 8 / 5; // * 1.6 ~ golden ratio
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+ unsigned int old_size = total_size;
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total_size += (sizeof(cs_insn) * cache_size);
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tmp = cs_mem_realloc(total, total_size);
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if (tmp == NULL) { // insufficient memory
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@@ -742,6 +743,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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handle->errnum = CS_ERR_MEM;
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return 0;
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}
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+ memset (total + (sizeof(cs_insn) * old_size), 0, (total_size - old_size));
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total = tmp;
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// continue to fill in the cache after the last instruction
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diff --git a/utils.c b/utils.c
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index ca2a7ec..647eb57 100644
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--- a/utils.c
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+++ b/utils.c
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@@ -17,7 +17,7 @@ static unsigned short *make_id2insn(insn_map *insns, unsigned int size)
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unsigned short max_id = insns[size - 1].id;
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unsigned short i;
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- unsigned short *cache = (unsigned short *)cs_mem_malloc(sizeof(*cache) * (max_id + 1));
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+ unsigned short *cache = (unsigned short *)cs_mem_calloc(sizeof(*cache), (max_id + 1));
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for (i = 1; i < size; i++)
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cache[insns[i].id] = i;
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