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Written by: Philip Hazel <ph10@cam.ac.uk> |
Written by: Philip Hazel <ph10@cam.ac.uk> |
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Copyright (c) 1997 University of Cambridge |
Copyright (c) 1998 University of Cambridge |
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----------------------------------------------------------------------------- |
----------------------------------------------------------------------------- |
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Permission is granted to anyone to use this software for any purpose on any |
Permission is granted to anyone to use this software for any purpose on any |
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#include "internal.h" |
#include "internal.h" |
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/* Allow compilation as C++ source code, should anybody want to do that. */ |
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#ifdef __cplusplus |
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#define class pcre_class |
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#endif |
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/* Min and max values for the common repeats; for the maxima, 0 => infinity */ |
/* Min and max values for the common repeats; for the maxima, 0 => infinity */ |
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static char rep_min[] = { 0, 0, 1, 1, 0, 0 }; |
static const char rep_min[] = { 0, 0, 1, 1, 0, 0 }; |
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static char rep_max[] = { 0, 0, 0, 0, 1, 1 }; |
static const char rep_max[] = { 0, 0, 0, 0, 1, 1 }; |
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/* Text forms of OP_ values and things, for debugging (not all used) */ |
/* Text forms of OP_ values and things, for debugging (not all used) */ |
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on. Zero means further processing is needed (for things like \x), or the escape |
on. Zero means further processing is needed (for things like \x), or the escape |
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is invalid. */ |
is invalid. */ |
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static short int escapes[] = { |
static const short int escapes[] = { |
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0, 0, 0, 0, 0, 0, 0, 0, /* 0 - 7 */ |
0, 0, 0, 0, 0, 0, 0, 0, /* 0 - 7 */ |
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0, 0, ':', ';', '<', '=', '>', '?', /* 8 - ? */ |
0, 0, ':', ';', '<', '=', '>', '?', /* 8 - ? */ |
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'@', -ESC_A, -ESC_B, 0, -ESC_D, 0, 0, 0, /* @ - G */ |
'@', -ESC_A, -ESC_B, 0, -ESC_D, 0, 0, 0, /* @ - G */ |
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the next state. */ |
the next state. */ |
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previous[1] = length; |
previous[1] = length; |
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ptr--; |
if (length < 255) ptr--; |
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break; |
break; |
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} |
} |
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} /* end of big loop */ |
} /* end of big loop */ |
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if (re->top_backref > 0 && re->top_backref >= ocount/2) |
if (re->top_backref > 0 && re->top_backref >= ocount/2) |
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{ |
{ |
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ocount = re->top_backref * 2 + 2; |
ocount = re->top_backref * 2 + 2; |
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match_block.offset_vector = (pcre_malloc)(ocount * sizeof(int)); |
match_block.offset_vector = (int *)(pcre_malloc)(ocount * sizeof(int)); |
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if (match_block.offset_vector == NULL) return PCRE_ERROR_NOMEMORY; |
if (match_block.offset_vector == NULL) return PCRE_ERROR_NOMEMORY; |
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using_temporary_offsets = TRUE; |
using_temporary_offsets = TRUE; |
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DPRINTF(("Got memory to hold back references\n")); |
DPRINTF(("Got memory to hold back references\n")); |