base64: use strtok_r instead of strtok to make sure we're thread safe

1 files changed, 3 insertions, 2 deletions

diff --git a/src/base64.c b/src/base64.c
index e558d9e..96d49f3 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -111,13 +111,14 @@ unsigned char *base64decode(const char *buf, size_t *size)
 
         unsigned char *line;
         int p = 0;
+        char* saveptr = NULL;
 
-        line = (unsigned char*)strtok((char*)buf, "\r\n\t ");
+        line = (unsigned char*)strtok_r((char*)buf, "\r\n\t ", &saveptr);
         while (line) {
                 p+=base64decode_block(outbuf+p, (const char*)line, strlen((char*)line));
 
                 // get next line of base64 encoded block
-                line = (unsigned char*)strtok(NULL, "\r\n\t ");
+                line = (unsigned char*)strtok_r(NULL, "\r\n\t ", &saveptr);
         }
         outbuf[p] = 0;
         *size = p;