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Description: Fix "lunar -b" segfault when compiled with -O2 in gcc-4.8
lunar.bitmap contained a line that was too long with extraneous
trailing spaces, causing an overflow the array in readBM(), but did not
ause any visible error previously.
.
When compiled with GCC 4.8, however, this bug results in segmentation fault,
probably due to the new aggressive loop optimizations used in -O2 and -O3.
.
See http://blog.regehr.org/archives/918 for a different but related issue.
Origin: vendor
Author: Anthony Fok <foka@debian.org>
Forwarded: not-needed
Last-Update: 2013-11-20
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/lunar.bitmap
+++ b/lunar.bitmap
@@ -21,7 +21,7 @@ _|___|____
|_____|
|
|-| --|--
-|_| ---`---
+|_| ---`---
| | ____|__
|-| \ |
|
--- a/lunar.c
+++ b/lunar.c
@@ -978,7 +978,7 @@ void readBM()
{
c = getc(fp);
if ((c==EOF) || (c=='\n')) break;
- GZBM[i][j][k++] = c;
+ if (k<BMCol) GZBM[i][j][k++] = c;
}
for (m=k; m<BMCol; m++) GZBM[i][j][m] = ' ';
}
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