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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" |
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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> |
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26 | #include "general.h" |
25 | #include "list.h" |
27 | #include "list.h" |
26 | #include "error.h" |
28 | #include "error.h" |
27 | |
29 | |
28 | static int psiconv_list_resize(psiconv_list l,unsigned int nr); |
30 | static int psiconv_list_resize(psiconv_list l,psiconv_u32 nr); |
29 | |
31 | |
30 | struct psiconv_list_s { |
32 | struct 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 | |
37 | psiconv_list psiconv_list_new(int element_size) |
39 | psiconv_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; |
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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 | |
65 | int psiconv_list_length(const psiconv_list l) |
67 | psiconv_u32 psiconv_list_length(const psiconv_list l) |
66 | { |
68 | { |
67 | return l->cur_len; |
69 | return l->cur_len; |
68 | } |
70 | } |
69 | |
71 | |
70 | int psiconv_list_is_empty(const psiconv_list l) |
72 | int 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 | |
75 | void *psiconv_list_get(const psiconv_list l, unsigned int indx) |
77 | void *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 | |
83 | int psiconv_list_add(psiconv_list l, const void *el) |
85 | int psiconv_list_add(psiconv_list l, const void *el) |
84 | { |
86 | { |
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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 | |
92 | void psiconv_list_foreach_el(psiconv_list l, void action(void *el)) |
95 | void 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 | |
99 | psiconv_list psiconv_list_clone(const psiconv_list l) |
102 | psiconv_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))) { |
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110 | } |
113 | } |
111 | return l2; |
114 | return l2; |
112 | |
115 | |
113 | } |
116 | } |
114 | |
117 | |
115 | |
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116 | size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f) |
118 | size_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 | |
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128 | int psiconv_list_fread_all(psiconv_list l, FILE *f) |
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129 | { |
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130 | while (!feof(f)) { |
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131 | if (!psiconv_list_fread(l,1024,f) && !feof(f)) |
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132 | return -PSICONV_E_NOMEM; |
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133 | } |
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134 | return -PSICONV_E_OK; |
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135 | } |
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136 | |
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137 | int psiconv_list_fwrite_all(const psiconv_list l, FILE *f) |
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138 | { |
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139 | psiconv_u32 pos = 0; |
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140 | psiconv_u32 written; |
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141 | psiconv_u32 len = psiconv_list_length(l); |
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142 | while (pos < len) { |
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143 | if (!(written = fwrite(((char *)(l->els)) + pos * l->el_size,l->el_size, |
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144 | len - pos,f))) |
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145 | return -PSICONV_E_OTHER; |
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146 | pos += written; |
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147 | } |
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148 | return -PSICONV_E_OK; |
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149 | } |
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150 | |
126 | int psiconv_list_resize(psiconv_list l,unsigned int nr) |
151 | int 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 | } |
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164 | return -PSICONV_E_OK; |
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165 | } |
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166 | |
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167 | int psiconv_list_concat(psiconv_list l, const psiconv_list extra) |
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168 | { |
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169 | int res; |
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170 | if (l->el_size != extra->el_size) |
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171 | return -PSICONV_E_OTHER; |
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172 | if ((res = psiconv_list_resize(l, |
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173 | l->cur_len + extra->cur_len))) |
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174 | return res; |
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175 | /* Unreadable but correct. */ |
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176 | memcpy(((char *) (l->els)) + l->cur_len * l->el_size,extra->els, |
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177 | extra->cur_len * extra->el_size); |
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178 | l->cur_len += extra->cur_len; |
139 | return 0; |
179 | return 0; |
140 | } |
180 | } |
141 | |
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