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Rebuild homepage with recent changes
[privoxy.git]
/
pcrs.c
diff --git
a/pcrs.c
b/pcrs.c
index
d90b87c
..
156ae98
100644
(file)
--- a/
pcrs.c
+++ b/
pcrs.c
@@
-1,4
+1,4
@@
-const char pcrs_rcs[] = "$Id: pcrs.c,v 1.4
5 2014/10/18 11:27:04
fabiankeil Exp $";
+const char pcrs_rcs[] = "$Id: pcrs.c,v 1.4
7 2015/01/24 16:40:59
fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/pcrs.c,v $
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/pcrs.c,v $
@@
-80,6
+80,8
@@
static int is_hex_sequence(const char *sequence);
*********************************************************************/
const char *pcrs_strerror(const int error)
{
*********************************************************************/
const char *pcrs_strerror(const int error)
{
+ static char buf[100];
+
if (error != 0)
{
switch (error)
if (error != 0)
{
switch (error)
@@
-119,7
+121,11
@@
const char *pcrs_strerror(const int error)
* version. If Privoxy is linked against a newer
* PCRE version all bets are off ...
*/
* version. If Privoxy is linked against a newer
* PCRE version all bets are off ...
*/
- default: return "Unknown error. Privoxy out of sync with PCRE?";
+ default:
+ snprintf(buf, sizeof(buf),
+ "Error code %d. For details, check the pcre documentation.",
+ error);
+ return buf;
}
}
/* error >= 0: No error */
}
}
/* error >= 0: No error */
@@
-319,6
+325,13
@@
static pcrs_substitute *pcrs_compile_replacement(const char *replacement, int tr
if (replacement[i] == '$' && !quoted && i < (int)(length - 1))
{
char *symbol, symbols[] = "'`+&";
if (replacement[i] == '$' && !quoted && i < (int)(length - 1))
{
char *symbol, symbols[] = "'`+&";
+ if (l >= PCRS_MAX_SUBMATCHES)
+ {
+ freez(text);
+ freez(r);
+ *errptr = PCRS_WARN_BADREF;
+ return NULL;
+ }
r->block_length[l] = (size_t)(k - r->block_offset[l]);
/* Numerical backreferences */
r->block_length[l] = (size_t)(k - r->block_offset[l]);
/* Numerical backreferences */
@@
-330,7
+343,10
@@
static pcrs_substitute *pcrs_compile_replacement(const char *replacement, int tr
}
if (r->backref[l] > capturecount)
{
}
if (r->backref[l] > capturecount)
{
+ freez(text);
+ freez(r);
*errptr = PCRS_WARN_BADREF;
*errptr = PCRS_WARN_BADREF;
+ return NULL;
}
}
}
}
@@
-360,14
+376,17
@@
static pcrs_substitute *pcrs_compile_replacement(const char *replacement, int tr
}
/* Valid and in range? -> record */
}
/* Valid and in range? -> record */
- if (r->backref[l] < PCRS_MAX_SUBMATCHES + 2)
+ if (
0 <= r->backref[l] &&
r->backref[l] < PCRS_MAX_SUBMATCHES + 2)
{
r->backref_count[r->backref[l]] += 1;
r->block_offset[++l] = k;
}
else
{
{
r->backref_count[r->backref[l]] += 1;
r->block_offset[++l] = k;
}
else
{
+ freez(text);
+ freez(r);
*errptr = PCRS_WARN_BADREF;
*errptr = PCRS_WARN_BADREF;
+ return NULL;
}
continue;
}
}
continue;
}