From: Tobias Weber <toweber86@gmail.com>
Date: Thu, 26 Apr 2018 10:29:24 +0000 (+0200)
Subject: append characters without overflowing text.
X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=e6e42723778ccaf35eeef1ca4cde502419303b67;p=trbnettools.git

append characters without overflowing text.
---

diff --git a/libtrbnet/trbflash.c b/libtrbnet/trbflash.c
index 6809439..b937cb3 100644
--- a/libtrbnet/trbflash.c
+++ b/libtrbnet/trbflash.c
@@ -1809,7 +1809,7 @@ int main(int argc, char** argv)
         fprintf(stdout, "%02x ", pageBuffer[i][c]);
         cc[0] = isprint((char)pageBuffer[i][c]) == 0
           ? '.' : (char)pageBuffer[i][c];
-        strncat(text, cc, 32);
+        strncat(text, cc, sizeof(text) - strlen(text));
         if ((c % 16) == 15) {
           fprintf(stdout, "  %s\n", text);
         }