This will be used for allocating memory for arrays
in heap instead of keeping them on stack.
Signed-off-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>
---
include/utils.h | 1 +
src/utils.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/include/utils.h b/include/utils.h
index bb58ba4..3199388 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -138,6 +138,7 @@ extern void __memory_allocation_error(const char *filename, uint32_t line) __nor
extern void xfree(const void *ptr);
extern void *xmalloc(size_t size);
+extern void *xmalloc_array(size_t nmemb, size_t size);
extern void *xrealloc(void *ptr, size_t size);
extern void *xzalloc(size_t size);
extern char *xstrdup(const char *s);
diff --git a/src/utils.c b/src/utils.c
index 65dabf4..9e8866d 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -39,6 +39,17 @@ void *xmalloc(size_t size)
return ptr;
}
+void *xmalloc_array(size_t nmemb, size_t size)
+{
+ assert(nmemb != 0);
+ assert(size != 0);
+
+ if (nmemb > SIZE_MAX / size)
+ memory_allocation_error();
+
+ return xmalloc(nmemb * size);
+}
+
void *xrealloc(void *ptr, size_t size)
{
ptr = realloc(ptr, size);
--
2.11.0
--
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