X-Git-Url: https://ruderich.org/simon/gitweb/?p=coloredstderr%2Fcoloredstderr.git;a=blobdiff_plain;f=src%2Ftrackfds.h;h=00b3b6e3b55da47e7c66453e609e6b7754a6071d;hp=ed2ea57738227a046ee290ded817182d9bca1e4a;hb=f30dbbd26d18e3014762ccc37b8e5ab65b596b35;hpb=e5a94fa847f4d880eb42f53bd93131ccf9fabe03

diff --git a/src/trackfds.h b/src/trackfds.h
index ed2ea57..00b3b6e 100644
--- a/src/trackfds.h
+++ b/src/trackfds.h
@@ -169,7 +169,7 @@ static char *update_environment_buffer_entry(char *x, int fd) {
     assert(fd >= 0);
 
     int length = snprintf(x, 10 + 1, "%d", fd);
-    if (length >= 10 + 1) {
+    if (length >= 10 + 1 || length <= 0 /* shouldn't happen */) {
         /* Integer too big to fit the buffer, skip it. */
 #ifdef WARNING
         warning("update_environment_buffer_entry(): truncated fd: %d [%d]\n",