Ticket #7186: hardened-chopstr.patch.txt

File hardened-chopstr.patch.txt, 0.8 KB (added by Nathan Baum, 2 years ago)
Line 
1Sun Feb  4 19:44:00 UTC 2007  Nathan Baum <nathan_baum@btinternet.com>
2  * hardened-chopstr
3diff -rN -c old-vanilla/src/strutil.c new-vanilla/src/strutil.c
4*** old-vanilla/src/strutil.c   2007-02-04 19:45:18.000000000 +0000
5--- new-vanilla/src/strutil.c   2007-02-04 19:45:18.000000000 +0000
6***************
7*** 77,82 ****
8--- 77,83 ----
9  }
10 
11  /** Return the string chopped at lim characters.
12+  *  lim is clipped to (0 .. BUFFER_LEN]
13   * \param str string to chop.
14   * \param lim character at which to chop the string.
15   * \return statically allocated buffer with chopped string.
16***************
17*** 87,92 ****
18--- 88,95 ----
19    static char tbuf1[BUFFER_LEN];
20    if (strlen(str) <= lim)
21      return (char *) str;
22+   if (lim >= BUFFER_LEN)
23+     lim = BUFFER_LEN - 1;
24    strncpy(tbuf1, str, lim);
25    tbuf1[lim] = '\0';
26    return tbuf1;