ares__read_line: free buf on realloc failure

11 years ago · bba4dc573f
parent 453578354f
commit bba4dc573f
1 changed files with 4 additions and 1 deletions
--- a/ares__read_line.c
+++ b/ares__read_line.c
@ -61,7 +61,10 @@ int ares__read_line(FILE *fp, char **buf, size_t *bufsize)
      /* Allocate more space. */
      newbuf = realloc(*buf, *bufsize * 2);
      if (!newbuf)
+        {
+          free(*buf);
          return ARES_ENOMEM;
+        }
      *buf = newbuf;
      *bufsize *= 2;
    }