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Patch #9307: Replace mem_malloc+memset with mem_calloc

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Aside from reducing source code, on systems which use MEM_LIBC_MALLOC,
this has the potential to improve performance depending on the underlying
memory allocator

See http://stackoverflow.com/questions/2688466/why-mallocmemset-is-slower-than-calloc
This commit is contained in:
Joel Cunningham
2017-04-05 13:38:20 -05:00
parent b34f2d5605
commit 557a11047d
6 changed files with 9 additions and 24 deletions
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8
src/apps/altcp_tls/altcp_tls_mbedtls_mem.c
View File

@@ -173,9 +173,8 @@ altcp_mbedtls_mem_init(void)
altcp_mbedtls_state_t *
altcp_mbedtls_alloc(void *conf)
{
altcp_mbedtls_state_t *ret = (altcp_mbedtls_state_t *)mem_malloc(sizeof(altcp_mbedtls_state_t));
altcp_mbedtls_state_t *ret = (altcp_mbedtls_state_t *)mem_calloc(1, sizeof(altcp_mbedtls_state_t));
if (ret != NULL) {
memset(ret, 0, sizeof(altcp_mbedtls_state_t));
ret->conf = conf;
}
return ret;
@@ -198,10 +197,7 @@ altcp_mbedtls_alloc_config(size_t size)
/* allocation too big (mem_size_t overflow) */
return NULL;
}
ret = (altcp_mbedtls_state_t *)mem_malloc((mem_size_t)size);
if (ret != NULL) {
memset(ret, 0, size);
}
ret = (altcp_mbedtls_state_t *)mem_calloc(1, (mem_size_t)size);
return ret;
}