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-rw-r--r--lib/libc/src/base64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/libc/src/base64.c b/lib/libc/src/base64.c
index 749965f7..00f19ab2 100644
--- a/lib/libc/src/base64.c
+++ b/lib/libc/src/base64.c
@@ -383,7 +383,7 @@ PL_Base64Decode
srclen = PL_strlen(src);
}
- if( 0 == (srclen & 3) )
+ if( srclen && (0 == (srclen & 3)) )
{
if( (char)'=' == src[ srclen-1 ] )
{