/[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 79
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>
24#include <stdio.h> 25#include <stdio.h>
26#include "general.h"
25#include "list.h" 27#include "list.h"
26#include "error.h" 28#include "error.h"
27 29
28static int psiconv_list_resize(psiconv_list l,unsigned int nr); 30static int psiconv_list_resize(psiconv_list l,psiconv_u32 nr);
29 31
30struct psiconv_list_s { 32struct psiconv_list_s {
31 int cur_len; 33 psiconv_u32 cur_len;
32 int max_len; 34 psiconv_u32 max_len;
33 int el_size; 35 size_t el_size;
34 void *els; 36 void *els;
35}; 37};
36 38
37psiconv_list psiconv_list_new(int element_size) 39psiconv_list psiconv_list_new(size_t element_size)
38{ 40{
39 psiconv_list l; 41 psiconv_list l;
40 l = malloc(sizeof(*l)); 42 l = malloc(sizeof(*l));
41 if (!l) 43 if (!l)
42 return NULL; 44 return NULL;
60{ 62{
61 psiconv_list_foreach_el(l,free_el); 63 psiconv_list_foreach_el(l,free_el);
62 psiconv_list_free(l); 64 psiconv_list_free(l);
63} 65}
64 66
65int psiconv_list_length(const psiconv_list l) 67psiconv_u32 psiconv_list_length(const psiconv_list l)
66{ 68{
67 return l->cur_len; 69 return l->cur_len;
68} 70}
69 71
70int psiconv_list_is_empty(const psiconv_list l) 72int psiconv_list_is_empty(const psiconv_list l)
71{ 73{
72 return l->cur_len == 0; 74 return l->cur_len == 0;
73} 75}
74 76
75void *psiconv_list_get(const psiconv_list l, unsigned int indx) 77void *psiconv_list_get(const psiconv_list l, psiconv_u32 indx)
76{ 78{
77 if (indx >= l->cur_len) 79 if (indx >= l->cur_len)
78 return NULL; 80 return NULL;
79 else 81 else
80 return ((char *) (l->els)) + indx * l->el_size; 82 return ((char *) (l->els)) + indx * l->el_size;
81} 83}
82 84
83int psiconv_list_add(psiconv_list l, const void *el) 85int psiconv_list_add(psiconv_list l, const void *el)
84{ 86{
87 int res;
85 if (psiconv_list_resize(l,l->cur_len + 1)) 88 if ((res = psiconv_list_resize(l,l->cur_len + 1)))
86 return -PSICONV_E_NOMEM; 89 return res;
87 memcpy(((char *) (l->els)) + l->cur_len * l->el_size, el, l->el_size); 90 memcpy(((char *) (l->els)) + l->cur_len * l->el_size, el, l->el_size);
88 l->cur_len ++; 91 l->cur_len ++;
89 return 0; 92 return 0;
90} 93}
91 94
92void psiconv_list_foreach_el(psiconv_list l, void action(void *el)) 95void psiconv_list_foreach_el(psiconv_list l, void action(void *el))
93{ 96{
94 int i; 97 psiconv_u32 i;
95 for (i = 0; i < l->cur_len; i ++) 98 for (i = 0; i < l->cur_len; i ++)
96 action(psiconv_list_get(l,i)); 99 action(psiconv_list_get(l,i));
97} 100}
98 101
99psiconv_list psiconv_list_clone(const psiconv_list l) 102psiconv_list psiconv_list_clone(const psiconv_list l)
100{ 103{
101 psiconv_list l2; 104 psiconv_list l2;
102 int i; 105 psiconv_u32 i;
103 l2 = psiconv_list_new(l->el_size); 106 l2 = psiconv_list_new(l->el_size);
104 if (!l2) 107 if (!l2)
105 return NULL; 108 return NULL;
106 for (i = 0; i < l->cur_len; i ++) 109 for (i = 0; i < l->cur_len; i ++)
107 if (psiconv_list_add(l2,psiconv_list_get(l,i))) { 110 if (psiconv_list_add(l2,psiconv_list_get(l,i))) {
110 } 113 }
111 return l2; 114 return l2;
112 115
113} 116}
114 117
115
116size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f) 118size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f)
117{ 119{
118 size_t res; 120 size_t res;
119 if (psiconv_list_resize(l,l->cur_len + size)) 121 if (psiconv_list_resize(l,l->cur_len + size))
120 return 0; 122 return 0;
121 res = fread(((char *) (l->els)) + l->cur_len * l->el_size,l->el_size,size,f); 123 res = fread(((char *) (l->els)) + l->cur_len * l->el_size,l->el_size,size,f);
122 l->cur_len += res; 124 l->cur_len += res;
123 return res; 125 return res;
124} 126}
125 127
128int psiconv_list_fread_all(psiconv_list l, FILE *f)
129{
130 while (!feof(f)) {
131 if (!psiconv_list_fread(l,1024,f) && !feof(f))
132 return -PSICONV_E_NOMEM;
133 }
134 return -PSICONV_E_OK;
135}
136
137int psiconv_list_fwrite_all(const psiconv_list l, FILE *f)
138{
139 psiconv_u32 pos = 0;
140 psiconv_u32 written;
141 psiconv_u32 len = psiconv_list_length(l);
142 while (pos < len) {
143 if (!(written = fwrite(((char *)(l->els)) + pos * l->el_size,l->el_size,
144 len - pos,f)))
145 return -PSICONV_E_OTHER;
146 pos += written;
147 }
148 return -PSICONV_E_OK;
149}
150
126int psiconv_list_resize(psiconv_list l,unsigned int nr) 151int psiconv_list_resize(psiconv_list l,psiconv_u32 nr)
127{ 152{
128 void * temp; 153 void * temp;
129 if (nr > l->max_len) { 154 if (nr > l->max_len) {
130 l->max_len = 1.1 * nr; 155 l->max_len = 1.1 * nr;
131 l->max_len += 16 - l->max_len % 16; 156 l->max_len += 16 - l->max_len % 16;
132 temp = realloc(l->els,l->max_len * l->el_size); 157 temp = realloc(l->els,l->max_len * l->el_size);
133 if (temp) { 158 if (temp) {
134 l->els = temp; 159 l->els = temp;
135 return 0; 160 return -PSICONV_E_OK;
136 } else 161 } else
137 return -PSICONV_E_NOMEM; 162 return -PSICONV_E_NOMEM;
138 } 163 }
164 return -PSICONV_E_OK;
165}
166
167int psiconv_list_concat(psiconv_list l, const psiconv_list extra)
168{
169 int res;
170 if (l->el_size != extra->el_size)
171 return -PSICONV_E_OTHER;
172 if ((res = psiconv_list_resize(l,
173 l->cur_len + extra->cur_len)))
174 return res;
175 /* Unreadable but correct. */
176 memcpy(((char *) (l->els)) + l->cur_len * l->el_size,extra->els,
177 extra->cur_len * extra->el_size);
178 l->cur_len += extra->cur_len;
139 return 0; 179 return 0;
140} 180}
141

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