updates.

[silc.git] / lib / silcutil / silcbuffmt.c

diff --git a/lib/silcutil/silcbuffmt.c b/lib/silcutil/silcbuffmt.c
index ae5a27aecd8f65abb1ff56608de55f6666b5e4c4..08c8e29059574735aae2ef79af1bb965d6197abe 100644 (file)
--- a/lib/silcutil/silcbuffmt.c
+++ b/lib/silcutil/silcbuffmt.c
@@ -250,7 +250,7 @@ int silc_buffer_unformat(SilcBuffer src, ...)
        SILC_GET16_MSB(len2, src->data);
        silc_buffer_pull(src, 2);
        HAS_SPACE(src, len2);
-       if (x) {
+       if (x && len2) {
          *x = silc_calloc(len2 + 1, sizeof(unsigned char));
          memcpy(*x, src->data, len2);
        }
@@ -278,7 +278,7 @@ int silc_buffer_unformat(SilcBuffer src, ...)
        SILC_GET32_MSB(len2, src->data);
        silc_buffer_pull(src, 4);
        HAS_SPACE(src, len2);
-       if (x) {
+       if (x && len2) {
          *x = silc_calloc(len2 + 1, sizeof(unsigned char));
          memcpy(*x, src->data, len2);
        }
@@ -312,7 +312,7 @@ int silc_buffer_unformat(SilcBuffer src, ...)
        HAS_SPACE(src, len2);
        if (len)
          *len = len2;
-       if (x) {
+       if (x && len2) {
          *x = silc_calloc(len2 + 1, sizeof(unsigned char));
          memcpy(*x, src->data, len2);
        }