/[pcre]/code/trunk/pcre_compile.c
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revision 168 by ph10, Tue May 29 15:18:18 2007 UTC revision 170 by ph10, Mon Jun 4 11:21:13 2007 UTC
# Line 1370  for (code = first_significant_code(code Line 1370  for (code = first_significant_code(code
1370    const uschar *ccode;    const uschar *ccode;
1371    
1372    c = *code;    c = *code;
1373    
1374      /* Groups with zero repeats can of course be empty; skip them. */
1375    
1376      if (c == OP_BRAZERO || c == OP_BRAMINZERO)
1377        {
1378        do code += GET(code, 1); while (*code == OP_ALT);
1379        c = *code;
1380        continue;
1381        }
1382    
1383      /* For other groups, scan the branches. */
1384    
1385    if (c == OP_BRA || c == OP_CBRA || c == OP_ONCE)    if (c == OP_BRA || c == OP_CBRA || c == OP_ONCE)
1386      {      {
1387      BOOL empty_branch;      BOOL empty_branch;
# Line 1387  for (code = first_significant_code(code Line 1398  for (code = first_significant_code(code
1398        }        }
1399      while (*code == OP_ALT);      while (*code == OP_ALT);
1400      if (!empty_branch) return FALSE;   /* All branches are non-empty */      if (!empty_branch) return FALSE;   /* All branches are non-empty */
1401        c = *code;
     /* Move past the KET and fudge things so that the increment in the "for"  
     above has no effect. */  
   
     c = OP_END;  
     code += 1 + LINK_SIZE - _pcre_OP_lengths[c];  
1402      continue;      continue;
1403      }      }
1404    
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