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-rw-r--r--lib/base64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/base64.c b/lib/base64.c
index 9706c74fb..0f461eabd 100644
--- a/lib/base64.c
+++ b/lib/base64.c
@@ -135,7 +135,7 @@ int Curl_base64_encode(const void *inp, int insize, char **outptr)
while(insize > 0) {
for (i = inputparts = 0; i < 3; i++) {
- if(*indata) {
+ if(insize > 0) {
inputparts++;
ibuf[i] = *indata;
indata++;