1 | /* |
1 | /* |
2 | list.c - Part of psiconv, a PSION 5 file formats converter |
2 | list.c - Part of psiconv, a PSION 5 file formats converter |
3 | Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> |
3 | Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl> |
4 | |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
5 | This program is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by |
6 | it under the terms of the GNU General Public License as published by |
7 | the Free Software Foundation; either version 2 of the License, or |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
… | |
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> |
25 | #include "list.h" |
26 | #include "list.h" |
26 | #include "error.h" |
27 | #include "error.h" |
… | |
… | |
78 | return NULL; |
79 | return NULL; |
79 | else |
80 | else |
80 | return ((char *) (l->els)) + indx * l->el_size; |
81 | return ((char *) (l->els)) + indx * l->el_size; |
81 | } |
82 | } |
82 | |
83 | |
83 | int psiconv_list_add(psiconv_list l, void *el) |
84 | int psiconv_list_add(psiconv_list l, const void *el) |
84 | { |
85 | { |
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86 | int res; |
85 | if (psiconv_list_resize(l,l->cur_len + 1)) |
87 | if ((res = psiconv_list_resize(l,l->cur_len + 1))) |
86 | return -PSICONV_E_NOMEM; |
88 | return res; |
87 | memcpy(((char *) (l->els)) + l->cur_len * l->el_size, el, l->el_size); |
89 | memcpy(((char *) (l->els)) + l->cur_len * l->el_size, el, l->el_size); |
88 | l->cur_len ++; |
90 | l->cur_len ++; |
89 | return 0; |
91 | return 0; |
90 | } |
92 | } |
91 | |
93 | |
… | |
… | |
110 | } |
112 | } |
111 | return l2; |
113 | return l2; |
112 | |
114 | |
113 | } |
115 | } |
114 | |
116 | |
115 | |
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|
116 | size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f) |
117 | size_t psiconv_list_fread(psiconv_list l,size_t size, FILE *f) |
117 | { |
118 | { |
118 | size_t res; |
119 | size_t res; |
119 | if (psiconv_list_resize(l,l->cur_len + size)) |
120 | if (psiconv_list_resize(l,l->cur_len + size)) |
120 | return 0; |
121 | return 0; |
121 | res = fread(((char *) (l->els)) + l->cur_len * l->el_size,l->el_size,size,f); |
122 | res = fread(((char *) (l->els)) + l->cur_len * l->el_size,l->el_size,size,f); |
122 | l->cur_len += res; |
123 | l->cur_len += res; |
123 | return res; |
124 | return res; |
|
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125 | } |
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126 | |
|
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127 | int psiconv_list_fread_all(psiconv_list l, FILE *f) |
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128 | { |
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129 | while (!feof(f)) { |
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130 | if (!psiconv_list_fread(l,1024,f)) |
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131 | return -PSICONV_E_NOMEM; |
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132 | } |
|
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133 | return -PSICONV_E_OK; |
|
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134 | } |
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135 | |
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136 | int psiconv_list_fwrite_all(const psiconv_list l, FILE *f) |
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137 | { |
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138 | int pos = 0; |
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139 | int written; |
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140 | int len = psiconv_list_length(l); |
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141 | while (pos < len) { |
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142 | if (!(written = fwrite(((char *)(l->els)) + pos * l->el_size,l->el_size, |
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143 | len - pos,f))) |
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144 | return -PSICONV_E_OTHER; |
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145 | pos += written; |
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146 | } |
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147 | return -PSICONV_E_OK; |
124 | } |
148 | } |
125 | |
149 | |
126 | int psiconv_list_resize(psiconv_list l,unsigned int nr) |
150 | int psiconv_list_resize(psiconv_list l,unsigned int nr) |
127 | { |
151 | { |
128 | void * temp; |
152 | void * temp; |
… | |
… | |
134 | l->els = temp; |
158 | l->els = temp; |
135 | return 0; |
159 | return 0; |
136 | } else |
160 | } else |
137 | return -PSICONV_E_NOMEM; |
161 | return -PSICONV_E_NOMEM; |
138 | } |
162 | } |
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163 | return 0; |
139 | } |
164 | } |
140 | |
165 | |
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166 | int psiconv_list_concat(psiconv_list l, const psiconv_list extra) |
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167 | { |
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168 | int res; |
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169 | if ((res = psiconv_list_resize(l, |
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170 | l->cur_len + extra->cur_len * extra->el_size))) |
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171 | return res; |
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172 | /* Unreadable but correct. */ |
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173 | memcpy(((char *) (l->els)) + l->cur_len * l->el_size,extra->els, |
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174 | extra->cur_len * extra->el_size); |
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175 | return 0; |
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176 | } |