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comparison src/regex.c @ 16:0293115a14e9 r19-15b91

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Import from CVS: tag r19-15b91
author cvs
date Mon, 13 Aug 2007 08:49:20 +0200
parents ac2d302a0011
children 441bb1e64a06
comparison
equal deleted inserted replaced
15:ad457d5f7d04 16:0293115a14e9
1042 This is a variable only so users of regex can assign to it; we never 1042 This is a variable only so users of regex can assign to it; we never
1043 change it ourselves. */ 1043 change it ourselves. */
1044 #if defined (MATCH_MAY_ALLOCATE) 1044 #if defined (MATCH_MAY_ALLOCATE)
1045 /* 4400 was enough to cause a crash on Alpha OSF/1, 1045 /* 4400 was enough to cause a crash on Alpha OSF/1,
1046 whose default stack limit is 2mb. */ 1046 whose default stack limit is 2mb. */
1047 int re_max_failures = 4000; 1047 int re_max_failures = 20000;
1048 #else 1048 #else
1049 int re_max_failures = 2000; 1049 int re_max_failures = 2000;
1050 #endif 1050 #endif
1051 1051
1052 union fail_stack_elt 1052 union fail_stack_elt
1265 #else 1265 #else
1266 #define NUM_NONREG_ITEMS 4 1266 #define NUM_NONREG_ITEMS 4
1267 #endif 1267 #endif
1268 1268
1269 /* We push at most this many items on the stack. */ 1269 /* We push at most this many items on the stack. */
1270 #define MAX_FAILURE_ITEMS ((num_regs - 1) * NUM_REG_ITEMS + NUM_NONREG_ITEMS) 1270 /* We used to use (num_regs - 1), which is the number of registers
1271 this regexp will save; but that was changed to 5
1272 to avoid stack overflow for a regexp with lots of parens. */
1273 #define MAX_FAILURE_ITEMS (5 * NUM_REG_ITEMS + NUM_NONREG_ITEMS)
1271 1274
1272 /* We actually push this many items. */ 1275 /* We actually push this many items. */
1273 #define NUM_FAILURE_ITEMS \ 1276 #define NUM_FAILURE_ITEMS \
1274 ((highest_active_reg - lowest_active_reg + 1) * NUM_REG_ITEMS \ 1277 ((highest_active_reg - lowest_active_reg + 1) * NUM_REG_ITEMS \
1275 + NUM_NONREG_ITEMS) 1278 + NUM_NONREG_ITEMS)