Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib-imap/imap-seqset.c @ 9595:166a188f9165 HEAD

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mbox: Fields weren't being added to cache file during message saving.
author Timo Sirainen <tss@iki.fi>
date Fri, 30 Jul 2010 16:55:58 +0100
parents 00cd9aacd03c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9532
00cd9aacd03c Updated copyright notices to include year 2010.
Timo Sirainen <tss@iki.fi>
parents: 8590
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1 /* Copyright (c) 2002-2010 Dovecot authors, see the included COPYING file */
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2
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3 #include "lib.h"
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4 #include "imap-seqset.h"
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5
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6 static uint32_t get_next_number(const char **str)
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7 {
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8 uint32_t num;
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9
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10 num = 0;
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11 while (**str != '\0') {
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12 if (**str < '0' || **str > '9')
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13 break;
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14
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15 num = num*10 + (**str - '0');
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16 (*str)++;
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17 }
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18
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19 if (num == (uint32_t)-1) {
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20 /* FIXME: ugly hack, we're using this number to mean the
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21 last existing message. In reality UIDs should never get
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22 this high, so we can quite safely just drop this one down. */
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23 num--;
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24 }
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25
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26 return num;
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27 }
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28
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29 static int
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30 get_next_seq_range(const char **str, uint32_t *seq1_r, uint32_t *seq2_r)
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31 {
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32 uint32_t seq1, seq2;
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33
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34 if (**str == '*') {
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35 /* last message */
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36 seq1 = (uint32_t)-1;
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37 *str += 1;
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38 } else {
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39 seq1 = get_next_number(str);
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40 if (seq1 == 0)
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41 return -1;
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42 }
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43
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44 if (**str != ':')
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45 seq2 = seq1;
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46 else {
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47 /* first:last range */
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48 *str += 1;
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49
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50 if (**str == '*') {
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51 seq2 = (uint32_t)-1;
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52 *str += 1;
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53 } else {
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54 seq2 = get_next_number(str);
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55 if (seq2 == 0)
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56 return -1;
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57 }
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58 }
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59
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60 if (seq1 > seq2) {
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61 /* swap, as specified by RFC-3501 */
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62 *seq1_r = seq2;
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63 *seq2_r = seq1;
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64 } else {
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65 *seq1_r = seq1;
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66 *seq2_r = seq2;
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67 }
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68 return 0;
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69 }
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70
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71 int imap_seq_set_parse(const char *str, ARRAY_TYPE(seq_range) *dest)
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72 {
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73 uint32_t seq1, seq2;
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74
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75 while (*str != '\0') {
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76 if (get_next_seq_range(&str, &seq1, &seq2) < 0)
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77 return -1;
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78 seq_range_array_add_range(dest, seq1, seq2);
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79
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80 if (*str == ',')
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81 str++;
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82 else if (*str != '\0')
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83 return -1;
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84 }
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85 return 0;
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86 }
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87
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88 int imap_seq_range_parse(const char *str, uint32_t *seq1_r, uint32_t *seq2_r)
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89 {
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90 if (get_next_seq_range(&str, seq1_r, seq2_r) < 0)
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91 return -1;
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92 return *str == '\0' ? 0 : -1;
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93 }