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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-01-18 11:41:22 +0300
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2007-01-18 11:41:22 +0300
commit1a250d9f32361b30a8a632ecc0023680b1e38323 (patch)
tree634f2b8f7993201c71c790ff05a1c78499557cf3
parent7f0d7ae4f55a810d57ef07d5cd964435dd87e6dc (diff)
- reinstate paranoia check in wrapf().
-rw-r--r--coreutils/stty.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/coreutils/stty.c b/coreutils/stty.c
index 3ce8bf312..4e665bcb7 100644
--- a/coreutils/stty.c
+++ b/coreutils/stty.c
@@ -462,8 +462,9 @@ static void wrapf(const char *message, ...)
va_start(args, message);
buflen = vsnprintf(buf, sizeof(buf), message, args);
va_end(args);
- /* buflen = strlen(buf); cheaper not to pull in strlen */
- if (!buflen /*|| buflen >= sizeof(buf)*/) return;
+ /* We seem to be called only with suitable lengths, but check if
+ somebody failed to adhere to this assumption just to be sure. */
+ if (!buflen || buflen >= sizeof(buf)) return;
if (current_col > 0) {
current_col++;