mirror of
https://github.com/Thesola10/umd-livepatch.git
synced 2025-04-19 22:13:22 +00:00
338 lines
6.6 KiB
C
Generated
338 lines
6.6 KiB
C
Generated
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#line 1 "usage.rl"
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#include <stdio.h>
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#include <string.h>
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#define BUFLEN 1024
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#define BUFSIZE 2048
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typedef struct
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{
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/* commands */
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int delta;
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int fromrdiff;
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int patch;
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/* flags */
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int help;
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/* options */
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/* arguments */
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char* output_file;
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char* rdiff_file;
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char* source_file;
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char* target_file;
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char* umdiff_file;
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} options_t;
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struct params
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{
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options_t* opt;
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char buffer[BUFLEN + 1];
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int buflen;
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int cs;
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};
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#line 70 "usage.rl"
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#line 40 "usage.rl.h"
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static const char _params_actions[] = {
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0, 1, 0, 1, 3, 1, 4, 1,
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5, 1, 6, 2, 1, 7, 2, 1,
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8, 2, 1, 9, 2, 1, 10, 2,
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1, 11, 2, 2, 0
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};
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static const char _params_key_offsets[] = {
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0, 0, 4, 6, 7, 8, 9, 10,
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11, 12, 13, 14, 15, 16, 17, 18,
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19, 20, 21, 22, 23, 24, 25, 26,
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27, 28, 29, 30, 31, 32, 33, 34,
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35, 36, 37, 38, 39, 40, 41, 42
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};
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static const char _params_trans_keys[] = {
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45, 100, 102, 112, 45, 104, 104, 101,
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108, 112, 0, 101, 108, 116, 97, 0,
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0, 0, 0, 0, 0, 0, 114, 111,
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109, 114, 100, 105, 102, 102, 0, 0,
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0, 97, 116, 99, 104, 0, 0, 0,
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0, 0, 0
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};
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static const char _params_single_lengths[] = {
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0, 4, 2, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 0
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};
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static const char _params_range_lengths[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0
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};
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static const char _params_index_offsets[] = {
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0, 0, 5, 8, 10, 12, 14, 16,
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18, 20, 22, 24, 26, 28, 30, 32,
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34, 36, 38, 40, 42, 44, 46, 48,
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50, 52, 54, 56, 58, 60, 62, 64,
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66, 68, 70, 72, 74, 76, 78, 80
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};
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static const char _params_trans_targs[] = {
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2, 8, 19, 30, 0, 3, 7, 0,
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4, 0, 5, 0, 6, 0, 7, 0,
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39, 0, 9, 0, 10, 0, 11, 0,
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12, 0, 13, 0, 0, 14, 15, 14,
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0, 16, 17, 16, 0, 18, 39, 18,
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20, 0, 21, 0, 22, 0, 23, 0,
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24, 0, 25, 0, 26, 0, 27, 0,
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28, 0, 0, 29, 17, 29, 31, 0,
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32, 0, 33, 0, 34, 0, 35, 0,
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0, 36, 37, 36, 0, 38, 17, 38,
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0, 0
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};
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static const char _params_trans_actions[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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9, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 3, 0, 0, 26, 17, 1,
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0, 26, 20, 1, 0, 26, 11, 1,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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5, 0, 0, 26, 14, 1, 0, 0,
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0, 0, 0, 0, 0, 0, 7, 0,
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0, 26, 17, 1, 0, 26, 23, 1,
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0, 0
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};
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static const int params_start = 1;
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static const int params_first_final = 39;
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static const int params_error = 0;
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static const int params_en_main = 1;
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#line 73 "usage.rl"
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static void params_init(struct params *fsm, options_t* opt)
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{
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memset(opt, 0, sizeof(options_t));
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fsm->opt = opt;
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fsm->buflen = 0;
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#line 131 "usage.rl.h"
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{
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fsm->cs = params_start;
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}
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#line 83 "usage.rl"
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}
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static void params_execute(struct params *fsm, const char *data, int len)
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{
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const char *p = data;
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const char *pe = data + len;
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#line 141 "usage.rl.h"
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{
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int _klen;
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unsigned int _trans;
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const char *_acts;
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unsigned int _nacts;
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const char *_keys;
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if ( p == pe )
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goto _test_eof;
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if ( fsm->cs == 0 )
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goto _out;
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_resume:
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_keys = _params_trans_keys + _params_key_offsets[ fsm->cs];
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_trans = _params_index_offsets[ fsm->cs];
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_klen = _params_single_lengths[ fsm->cs];
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if ( _klen > 0 ) {
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const char *_lower = _keys;
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const char *_mid;
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const char *_upper = _keys + _klen - 1;
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while (1) {
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if ( _upper < _lower )
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break;
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_mid = _lower + ((_upper-_lower) >> 1);
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if ( (*p) < *_mid )
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_upper = _mid - 1;
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else if ( (*p) > *_mid )
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_lower = _mid + 1;
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else {
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_trans += (unsigned int)(_mid - _keys);
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goto _match;
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}
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}
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_keys += _klen;
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_trans += _klen;
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}
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_klen = _params_range_lengths[ fsm->cs];
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if ( _klen > 0 ) {
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const char *_lower = _keys;
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const char *_mid;
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const char *_upper = _keys + (_klen<<1) - 2;
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while (1) {
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if ( _upper < _lower )
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break;
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_mid = _lower + (((_upper-_lower) >> 1) & ~1);
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if ( (*p) < _mid[0] )
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_upper = _mid - 2;
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else if ( (*p) > _mid[1] )
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_lower = _mid + 2;
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else {
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_trans += (unsigned int)((_mid - _keys)>>1);
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goto _match;
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}
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}
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_trans += _klen;
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}
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_match:
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fsm->cs = _params_trans_targs[_trans];
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if ( _params_trans_actions[_trans] == 0 )
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goto _again;
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_acts = _params_actions + _params_trans_actions[_trans];
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_nacts = (unsigned int) *_acts++;
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while ( _nacts-- > 0 )
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{
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switch ( *_acts++ )
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{
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case 0:
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#line 41 "usage.rl"
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{
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if (fsm->buflen < BUFLEN)
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fsm->buffer[fsm->buflen++] = (*p);
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}
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break;
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case 1:
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#line 46 "usage.rl"
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{
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if (fsm->buflen < BUFLEN)
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fsm->buffer[fsm->buflen++] = 0;
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}
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break;
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case 2:
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#line 51 "usage.rl"
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{ fsm->buflen = 0; }
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break;
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case 3:
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#line 53 "usage.rl"
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{ fsm->opt->delta = 1; }
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break;
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case 4:
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#line 54 "usage.rl"
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{ fsm->opt->fromrdiff = 1; }
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break;
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case 5:
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#line 55 "usage.rl"
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{ fsm->opt->patch = 1; }
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break;
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case 6:
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#line 56 "usage.rl"
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{ fsm->opt->help = 1; }
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break;
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case 7:
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#line 58 "usage.rl"
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{ fsm->opt->output_file = strdup(fsm->buffer); }
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break;
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case 8:
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#line 59 "usage.rl"
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{ fsm->opt->rdiff_file = strdup(fsm->buffer); }
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break;
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case 9:
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#line 60 "usage.rl"
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{ fsm->opt->source_file = strdup(fsm->buffer); }
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break;
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case 10:
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#line 61 "usage.rl"
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{ fsm->opt->target_file = strdup(fsm->buffer); }
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break;
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case 11:
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#line 62 "usage.rl"
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{ fsm->opt->umdiff_file = strdup(fsm->buffer); }
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break;
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#line 255 "usage.rl.h"
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}
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}
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_again:
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if ( fsm->cs == 0 )
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goto _out;
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if ( ++p != pe )
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goto _resume;
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_test_eof: {}
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_out: {}
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}
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#line 91 "usage.rl"
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}
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static int params_finish(struct params *fsm)
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{
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if (fsm->cs == params_error)
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return -1;
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if (fsm->cs >= params_first_final)
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return 1;
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return 0;
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}
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static void show_usage()
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{
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fprintf(stdout, "umdiff - Generate patch files for use with umd-livepatch\n");
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fprintf(stdout, "\n");
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fprintf(stdout, "Usage:\n");
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fprintf(stdout, " umdiff delta <source_file> <target_file> <output_file>\n");
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fprintf(stdout, " umdiff patch <source_file> <umdiff_file> <output_file>\n");
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fprintf(stdout, " umdiff from-rdiff <rdiff_file> <output_file>\n");
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fprintf(stdout, " umdiff --help\n");
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fprintf(stdout, "\n");
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fprintf(stdout, "Options:\n");
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fprintf(stdout, " -h --help Prints a short usage summary.\n");
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fprintf(stdout, "\n");
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}
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static int parse_options(int argc, char **argv, options_t* options)
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{
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int a;
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struct params params;
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params_init(¶ms, options);
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for (a = 1; a < argc; a++ )
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params_execute(¶ms, argv[a], strlen(argv[a]) + 1);
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if (params_finish(¶ms) != 1)
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{
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fprintf(stderr, "Error processing arguments\n");
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show_usage();
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return -1;
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}
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return 0;
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}
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