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--- src/man.c 2008-12-21 19:17:31.000000000 +0100
+++ src/man.c.oden 2008-12-21 19:17:38.000000000 +0100
@@ -391,7 +391,7 @@ again:
beg++;
end = beg;
- while (*end != ' ' && *end != '\t' && *end != '\n' && *end != '\0')
+ while (*end != ' ' && *end != '\t' && *end != '\n' && *end != '\0' && (end-buf)<BUFSIZE)
end++; /* note that buf is NUL-terminated */
*end = '\0';
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