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annotate lwlib/lw_stringlist.c @ 429:33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
| author | lost@l-w.ca |
|---|---|
| date | Sun, 19 Sep 2010 12:32:52 -0600 |
| parents | 80826bf2827b |
| children |
| rev | line source |
|---|---|
| 324 | 1 /* |
| 2 lw_stringlist.c | |
| 3 | |
| 4 Copyright © 2010 William Astle | |
| 5 | |
| 6 This file is part of LWTOOLS. | |
| 7 | |
| 8 LWTOOLS is free software: you can redistribute it and/or modify it under the | |
| 9 terms of the GNU General Public License as published by the Free Software | |
| 10 Foundation, either version 3 of the License, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 This program is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 16 more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License along with | |
| 19 this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 */ | |
| 21 | |
| 22 #include <config.h> | |
| 23 | |
| 326 | 24 #include <stdlib.h> |
| 25 | |
| 324 | 26 #define ___lw_stringlist_c_seen___ |
| 27 #include "lw_stringlist.h" | |
| 326 | 28 #include "lw_string.h" |
| 324 | 29 #include "lw_alloc.h" |
| 30 | |
| 31 lw_stringlist_t lw_stringlist_create(void) | |
| 32 { | |
|
429
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
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33 lw_stringlist_t s; |
|
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
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34 |
|
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
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35 |
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33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
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36 s = lw_alloc(sizeof(struct lw_stringlist_priv)); |
|
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
|
37 s -> strings = NULL; |
|
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
|
38 s -> nstrings = 0; |
|
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
|
39 s -> cstring = 0; |
|
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
|
40 |
|
33c5bc04ea67
Fixed unitialized memory in lw_stringlist_create()
lost@l-w.ca
parents:
327
diff
changeset
|
41 return s; |
| 324 | 42 } |
| 43 | |
| 44 void lw_stringlist_destroy(lw_stringlist_t S) | |
| 45 { | |
| 46 if (S) | |
| 47 { | |
| 48 int i; | |
| 49 for (i = 0; i < S -> nstrings; i++) | |
| 50 { | |
| 51 lw_free(S -> strings[i]); | |
| 52 } | |
| 53 lw_free(S); | |
| 54 } | |
| 55 } | |
| 326 | 56 |
| 57 void lw_stringlist_addstring(lw_stringlist_t S, char *str) | |
| 58 { | |
| 59 S -> strings = lw_realloc(S -> strings, sizeof(char *) * (S -> nstrings + 1)); | |
| 60 S -> strings[S -> nstrings] = lw_strdup(str); | |
| 61 S -> nstrings++; | |
| 62 } | |
| 63 | |
| 64 void lw_stringlist_reset(lw_stringlist_t S) | |
| 65 { | |
| 66 S -> cstring = 0; | |
| 67 } | |
| 68 | |
| 69 char *lw_stringlist_current(lw_stringlist_t S) | |
| 70 { | |
| 71 if (S -> cstring >= S -> nstrings) | |
| 72 return NULL; | |
| 73 return S -> strings[S -> cstring]; | |
| 74 } | |
| 75 | |
| 76 char *lw_stringlist_next(lw_stringlist_t S) | |
| 77 { | |
| 78 S -> cstring++; | |
| 79 return lw_stringlist_current(S); | |
| 80 } | |
| 81 | |
| 82 int lw_stringlist_nstrings(lw_stringlist_t S) | |
| 83 { | |
| 84 return S -> nstrings; | |
| 85 } | |
| 327 | 86 |
| 87 lw_stringlist_t lw_stringlist_copy(lw_stringlist_t S) | |
| 88 { | |
| 89 lw_stringlist_t r; | |
| 90 | |
| 91 r = lw_alloc(sizeof(lw_stringlist_t)); | |
| 92 r -> nstrings = S -> nstrings; | |
| 93 if (S -> nstrings) | |
| 94 { | |
| 95 int i; | |
| 96 | |
| 97 r -> strings = lw_alloc(sizeof(char *) * S -> nstrings); | |
| 98 for (i = 0; i < S -> nstrings; i++) | |
| 99 { | |
| 100 r -> strings[i] = lw_strdup(S -> strings[i]); | |
| 101 } | |
| 102 } | |
| 103 return r; | |
| 104 } |