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-rw-r--r--circbuffer.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/circbuffer.c b/circbuffer.c
index 7953737..55c4422 100644
--- a/circbuffer.c
+++ b/circbuffer.c
@@ -37,7 +37,9 @@ circbuffer * cbuf_new(unsigned int size) {
}
cbuf = (circbuffer*)m_malloc(sizeof(circbuffer));
- cbuf->data = (unsigned char*)m_malloc(size);
+ if (size > 0) {
+ cbuf->data = (unsigned char*)m_malloc(size);
+ }
cbuf->used = 0;
cbuf->readpos = 0;
cbuf->writepos = 0;