/[public]/psiconv/trunk/lib/psiconv/list.c
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Diff of /psiconv/trunk/lib/psiconv/list.c

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Revision 70 Revision 168
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18*/ 18*/
19 19
20 20
21#include "config.h" 21#include "config.h"
22#include "compat.h"
22#include <stddef.h> 23#include <stddef.h>
23#include <stdlib.h> 24#include <stdlib.h>
25#include <string.h>
24#include <stdio.h> 26#include <stdio.h>
27#include "general.h"
25#include "list.h" 28#include "list.h"
26#include "error.h" 29#include "error.h"
27 30
31#ifdef DMALLOC
32#include <dmalloc.h>
33#endif
34
35
28static int psiconv_list_resize(psiconv_list l,unsigned int nr); 36static int psiconv_list_resize(psiconv_list l,psiconv_u32 nr);
29 37
30struct psiconv_list_s { 38struct psiconv_list_s {
31 int cur_len; 39 psiconv_u32 cur_len;
32 int max_len; 40 psiconv_u32 max_len;
33 int el_size; 41 size_t el_size;
34 void *els; 42 void *els;
35}; 43};
36 44
37psiconv_list psiconv_list_new(int element_size) 45psiconv_list psiconv_list_new(size_t element_size)
38{ 46{
39 psiconv_list l; 47 psiconv_list l;
40 l = malloc(sizeof(*l)); 48 l = malloc(sizeof(*l));
41 if (!l) 49 if (!l)
42 return NULL; 50 return NULL;
49 57
50void psiconv_list_free(psiconv_list l) 58void psiconv_list_free(psiconv_list l)
51{ 59{
52 if (l->max_len) 60 if (l->max_len)
53 free(l->els); 61 free(l->els);
54 l->max_len = 0; 62 free(l);
55 l->cur_len = 0;
56 l->els = NULL; 63 l = NULL;
57} 64}
58 65
59void psiconv_list_free_el(psiconv_list l, void free_el(void *el)) 66void psiconv_list_free_el(psiconv_list l, void free_el(void *el))
60{ 67{
61 psiconv_list_foreach_el(l,free_el); 68 psiconv_list_foreach_el(l,free_el);
62 psiconv_list_free(l); 69 psiconv_list_free(l);
63} 70}
64 71
65int psiconv_list_length(const psiconv_list l) 72psiconv_u32 psiconv_list_length(const psiconv_list l)
66{ 73{
67 return l->cur_len; 74 return l->cur_len;
68} 75}
69 76
70int psiconv_list_is_empty(const psiconv_list l) 77int psiconv_list_is_empty(const psiconv_list l)
71{ 78{
72 return l->cur_len == 0; 79 return l->cur_len == 0;
73} 80}
74 81
82void psiconv_list_empty(psiconv_list l)
83{
84 l->cur_len = 0;
85}
86
75void *psiconv_list_get(const psiconv_list l, unsigned int indx) 87void *psiconv_list_get(const psiconv_list l, psiconv_u32 indx)
76{ 88{
77 if (indx >= l->cur_len) 89 if (indx >= l->cur_len)
78 return NULL; 90 return NULL;
79 else 91 else
80 return ((char *) (l->els)) + indx * l->el_size; 92 return ((char *) (l->els)) + indx * l->el_size;
81} 93}
82 94
83int psiconv_list_add(psiconv_list l, const void *el) 95int psiconv_list_add(psiconv_list l, const void *el)
84{ 96{
97 int res;
85 if (psiconv_list_resize(l,l->cur_len + 1)) 98 if ((res = psiconv_list_resize(l,l->cur_len + 1)))
86 return -PSICONV_E_NOMEM; 99 return res;
87 memcpy(((char *) (l->els)) + l->cur_len * l->el_size, el, l->el_size); 100 memcpy(((char *) (l->els)) + l->cur_len * l->el_size, el, l->el_size);
88 l->cur_len ++; 101 l->cur_len ++;
89 return 0; 102 return 0;
90} 103}
91 104
105int psiconv_list_pop(psiconv_list l, void *el)
106{
107 if (! l->cur_len)
108 return -PSICONV_E_OTHER;
109 l->cur_len --;
110 memcpy(el,((char *)(l->els)) + l->cur_len * l->el_size,l->el_size);
111 return -PSICONV_E_OK;
112}
113
114int psiconv_list_replace(psiconv_list l, psiconv_u32 indx, const void *el)
115{
116 if (indx >= l->cur_len)
117 return -PSICONV_E_OTHER;
118 memcpy(((char *) (l->els)) + indx * l->el_size,el, l->el_size);
119 return -PSICONV_E_OK;
120}
121
92void psiconv_list_foreach_el(psiconv_list l, void action(void *el)) 122void psiconv_list_foreach_el(psiconv_list l, void action(void *el))
93{ 123{
94 int i; 124 psiconv_u32 i;
95 for (i = 0; i < l->cur_len; i ++) 125 for (i = 0; i < l->cur_len; i ++)
96 action(psiconv_list_get(l,i)); 126 action(psiconv_list_get(l,i));
97} 127}
98 128
99psiconv_list psiconv_list_clone(const psiconv_list l) 129psiconv_list psiconv_list_clone(const psiconv_list l)
100{ 130{
101 psiconv_list l2; 131 psiconv_list l2;
102 int i; 132 psiconv_u32 i;
103 l2 = psiconv_list_new(l->el_size); 133 l2 = psiconv_list_new(l->el_size);
104 if (!l2) 134 if (!l2)
105 return NULL; 135 return NULL;
106 for (i = 0; i < l->cur_len; i ++) 136 for (i = 0; i < l->cur_len; i ++)
107 if (psiconv_list_add(l2,psiconv_list_get(l,i))) { 137 if (psiconv_list_add(l2,psiconv_list_get(l,i))) {
110 } 140 }
111 return l2; 141 return l2;
112 142
113} 143}
114 144
115
116size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f) 145size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f)
117{ 146{
118 size_t res; 147 size_t res;
119 if (psiconv_list_resize(l,l->cur_len + size)) 148 if (psiconv_list_resize(l,l->cur_len + size))
120 return 0; 149 return 0;
121 res = fread(((char *) (l->els)) + l->cur_len * l->el_size,l->el_size,size,f); 150 res = fread(((char *) (l->els)) + l->cur_len * l->el_size,l->el_size,size,f);
122 l->cur_len += res; 151 l->cur_len += res;
123 return res; 152 return res;
124} 153}
125 154
155int psiconv_list_fread_all(psiconv_list l, FILE *f)
156{
157 while (!feof(f)) {
158 if (!psiconv_list_fread(l,1024,f) && !feof(f))
159 return -PSICONV_E_NOMEM;
160 }
161 return -PSICONV_E_OK;
162}
163
164int psiconv_list_fwrite_all(const psiconv_list l, FILE *f)
165{
166 psiconv_u32 pos = 0;
167 psiconv_u32 written;
168 psiconv_u32 len = psiconv_list_length(l);
169 while (pos < len) {
170 if (!(written = fwrite(((char *)(l->els)) + pos * l->el_size,l->el_size,
171 len - pos,f)))
172 return -PSICONV_E_OTHER;
173 pos += written;
174 }
175 return -PSICONV_E_OK;
176}
177
126int psiconv_list_resize(psiconv_list l,unsigned int nr) 178int psiconv_list_resize(psiconv_list l,psiconv_u32 nr)
127{ 179{
128 void * temp; 180 void * temp;
129 if (nr > l->max_len) { 181 if (nr > l->max_len) {
130 l->max_len = 1.1 * nr; 182 l->max_len = 1.1 * nr;
131 l->max_len += 16 - l->max_len % 16; 183 l->max_len += 16 - l->max_len % 16;
132 temp = realloc(l->els,l->max_len * l->el_size); 184 temp = realloc(l->els,l->max_len * l->el_size);
133 if (temp) { 185 if (temp) {
134 l->els = temp; 186 l->els = temp;
135 return 0; 187 return -PSICONV_E_OK;
136 } else 188 } else
137 return -PSICONV_E_NOMEM; 189 return -PSICONV_E_NOMEM;
138 } 190 }
191 return -PSICONV_E_OK;
192}
193
194int psiconv_list_concat(psiconv_list l, const psiconv_list extra)
195{
196 int res;
197 if (l->el_size != extra->el_size)
198 return -PSICONV_E_OTHER;
199 if ((res = psiconv_list_resize(l,
200 l->cur_len + extra->cur_len)))
201 return res;
202 /* Unreadable but correct. */
203 memcpy(((char *) (l->els)) + l->cur_len * l->el_size,extra->els,
204 extra->cur_len * extra->el_size);
205 l->cur_len += extra->cur_len;
139 return 0; 206 return 0;
140} 207}
141 208
209

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