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changeset 233:1be1a9bab1d3

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Add some error checking to th_vprintf_do().
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 16 Feb 2016 15:58:50 +0200
parents 917e341d445b
children 82acddddb6b1
files th_string.c
diffstat 1 files changed, 4 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/th_string.c	Tue Feb 16 15:55:33 2016 +0200
+++ b/th_string.c	Tue Feb 16 15:58:50 2016 +0200
@@ -141,6 +141,10 @@
     while (val > 0 && pos < sizeof(buf) - 1);
     buf[pos] = 0;
 
+    // Oops, the value did not fit in the buffer!
+    if (val > 0)
+        return -1;
+
     // Do we want a sign prefix? Not for unsigned values
     if (!unsig)
     {