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(NUM_FAILURE_ITEMS, POP_FAILURE_POINT, PUSH_FAILURE_POINT):

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Do not test for backtracking--do the same thing with or without.

(_GNU_SOURCE): Undef before defining.

(re_max_failures): Initialize to just 20000.
This commit is contained in:
Richard M. Stallman 1995-11-11 20:51:37 +00:00
parent 0c7fb3abbe
commit 68d96f02f3
1 changed files with 5 additions and 4 deletions
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9
src/regex.c
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@ -24,6 +24,7 @@
#pragma alloca
#endif
#undef _GNU_SOURCE
#define _GNU_SOURCE
#ifdef HAVE_CONFIG_H
@ -999,7 +1000,7 @@ static const char *re_error_msgid[] =
This is a variable only so users of regex can assign to it; we never
change it ourselves. */
#if defined (MATCH_MAY_ALLOCATE)
int re_max_failures = 200000;
int re_max_failures = 20000;
#else
int re_max_failures = 2000;
#endif
@ -1155,7 +1156,7 @@ typedef struct
/* Push the info, starting with the registers. */ \
DEBUG_PRINT1 ("\n"); \
\
if (!(RE_NO_POSIX_BACKTRACKING & bufp->syntax)) \
if (1) \
for (this_reg = lowest_active_reg; this_reg <= highest_active_reg; \
this_reg++) \
{ \
@ -1216,7 +1217,7 @@ typedef struct
/* We actually push this many items. */
#define NUM_FAILURE_ITEMS \
(((RE_NO_POSIX_BACKTRACKING & bufp->syntax \
(((0 \
? 0 : highest_active_reg - lowest_active_reg + 1) \
* NUM_REG_ITEMS) \
+ NUM_NONREG_ITEMS)
@ -1277,7 +1278,7 @@ typedef struct
low_reg = (unsigned) POP_FAILURE_INT (); \
DEBUG_PRINT2 (" Popping low active reg: %d\n", low_reg); \
\
if (!(RE_NO_POSIX_BACKTRACKING & bufp->syntax)) \
if (1) \
for (this_reg = high_reg; this_reg >= low_reg; this_reg--) \
{ \
DEBUG_PRINT2 (" Popping reg: %d\n", this_reg); \