… | |
… | |
23 | #include <stdlib.h> |
23 | #include <stdlib.h> |
24 | #include <math.h> |
24 | #include <math.h> |
25 | |
25 | |
26 | #include "parse_routines.h" |
26 | #include "parse_routines.h" |
27 | #include "error.h" |
27 | #include "error.h" |
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28 | #include "unicode.h" |
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29 | |
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30 | #ifdef DMALLOC |
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31 | #include <dmalloc.h> |
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32 | #endif |
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33 | |
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34 | static psiconv_float_t pow2(int n); |
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35 | static psiconv_string_t psiconv_read_string_aux(const psiconv_config config, |
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36 | const psiconv_buffer buf,int lev, |
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37 | psiconv_u32 off,int *length, int *status, |
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38 | int kind); |
28 | |
39 | |
29 | /* Very inefficient, but good enough for now. By implementing it ourselves, |
40 | /* Very inefficient, but good enough for now. By implementing it ourselves, |
30 | we do not have to link with -lm */ |
41 | we do not have to link with -lm */ |
31 | psiconv_float_t pow2(int n) |
42 | psiconv_float_t pow2(int n) |
32 | { |
43 | { |
… | |
… | |
36 | for (i = 0; i < (n<0?-n:n); i++) |
47 | for (i = 0; i < (n<0?-n:n); i++) |
37 | res *= 2.0; |
48 | res *= 2.0; |
38 | |
49 | |
39 | return n<0?1/res:res; |
50 | return n<0?1/res:res; |
40 | } |
51 | } |
41 | psiconv_u8 psiconv_read_u8(const psiconv_buffer buf,int lev,psiconv_u32 off, |
52 | psiconv_u8 psiconv_read_u8(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
42 | int *status) |
53 | int *status) |
43 | { |
54 | { |
44 | psiconv_u8 *ptr; |
55 | psiconv_u8 *ptr; |
45 | ptr = psiconv_buffer_get(buf,off); |
56 | ptr = psiconv_buffer_get(buf,off); |
46 | if (!ptr) { |
57 | if (!ptr) { |
47 | psiconv_warn(lev,off,"Trying byte read past the end of the file"); |
58 | psiconv_error(config,lev,off,"Trying byte read past the end of the file"); |
48 | if (status) |
59 | if (status) |
49 | *status = -PSICONV_E_PARSE; |
60 | *status = -PSICONV_E_PARSE; |
50 | return 0; |
61 | return 0; |
51 | } |
62 | } |
52 | if (status) |
63 | if (status) |
53 | *status = 0; |
64 | *status = 0; |
54 | return *ptr; |
65 | return *ptr; |
55 | } |
66 | } |
56 | |
67 | |
57 | psiconv_u16 psiconv_read_u16(const psiconv_buffer buf,int lev,psiconv_u32 off, |
68 | psiconv_u16 psiconv_read_u16(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
58 | int *status) |
69 | int *status) |
59 | { |
70 | { |
60 | psiconv_u8 *ptr0,*ptr1; |
71 | psiconv_u8 *ptr0,*ptr1; |
61 | ptr0 = psiconv_buffer_get(buf,off); |
72 | ptr0 = psiconv_buffer_get(buf,off); |
62 | ptr1 = psiconv_buffer_get(buf,off+1); |
73 | ptr1 = psiconv_buffer_get(buf,off+1); |
63 | if (!ptr0 || !ptr1) { |
74 | if (!ptr0 || !ptr1) { |
64 | psiconv_warn(lev,off,"Trying word read past the end of the file"); |
75 | psiconv_error(config,lev,off,"Trying word read past the end of the file"); |
65 | if (status) |
76 | if (status) |
66 | *status = -PSICONV_E_PARSE; |
77 | *status = -PSICONV_E_PARSE; |
67 | return 0; |
78 | return 0; |
68 | } |
79 | } |
69 | if (status) |
80 | if (status) |
70 | *status = 0; |
81 | *status = 0; |
71 | return *ptr0 + (*ptr1 << 8); |
82 | return *ptr0 + (*ptr1 << 8); |
72 | } |
83 | } |
73 | |
84 | |
74 | psiconv_u32 psiconv_read_u32(const psiconv_buffer buf,int lev,psiconv_u32 off, |
85 | psiconv_u32 psiconv_read_u32(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
75 | int *status) |
86 | int *status) |
76 | { |
87 | { |
77 | psiconv_u8 *ptr0,*ptr1,*ptr2,*ptr3; |
88 | psiconv_u8 *ptr0,*ptr1,*ptr2,*ptr3; |
78 | ptr0 = psiconv_buffer_get(buf,off); |
89 | ptr0 = psiconv_buffer_get(buf,off); |
79 | ptr1 = psiconv_buffer_get(buf,off+1); |
90 | ptr1 = psiconv_buffer_get(buf,off+1); |
80 | ptr2 = psiconv_buffer_get(buf,off+2); |
91 | ptr2 = psiconv_buffer_get(buf,off+2); |
81 | ptr3 = psiconv_buffer_get(buf,off+3); |
92 | ptr3 = psiconv_buffer_get(buf,off+3); |
82 | if (!ptr0 || !ptr1 || !ptr2 || !ptr3) { |
93 | if (!ptr0 || !ptr1 || !ptr2 || !ptr3) { |
83 | psiconv_warn(lev,off,"Trying long read past the end of the file"); |
94 | psiconv_error(config,lev,off,"Trying long read past the end of the file"); |
84 | if (status) |
95 | if (status) |
85 | *status = -PSICONV_E_PARSE; |
96 | *status = -PSICONV_E_PARSE; |
86 | return 0; |
97 | return 0; |
87 | } |
98 | } |
88 | if (status) |
99 | if (status) |
89 | *status = 0; |
100 | *status = 0; |
90 | return *ptr0 + (*ptr1 << 8) + (*ptr2 << 16) + (*ptr3 << 24); |
101 | return *ptr0 + (*ptr1 << 8) + (*ptr2 << 16) + (*ptr3 << 24); |
91 | } |
102 | } |
92 | |
103 | |
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104 | psiconv_s32 psiconv_read_sint(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
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105 | int *length,int *status) |
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106 | { |
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107 | int localstatus; |
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108 | psiconv_u32 temp; |
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109 | |
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110 | temp=psiconv_read_u32(config,buf,lev,off,&localstatus); |
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111 | if (status) |
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112 | *status = localstatus; |
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113 | if (length) |
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114 | *length = localstatus?0:4; |
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115 | |
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116 | return localstatus?0:(temp & 0x7fffffff)*(temp&0x80000000?-1:1); |
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117 | } |
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118 | |
93 | psiconv_S_t psiconv_read_S(const psiconv_buffer buf, int lev, psiconv_u32 off, |
119 | psiconv_S_t psiconv_read_S(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
94 | int *length,int *status) |
120 | int *length,int *status) |
95 | { |
121 | { |
96 | psiconv_u8 temp; |
122 | psiconv_u8 temp; |
97 | psiconv_S_t res; |
123 | psiconv_S_t res; |
98 | int len,localstatus; |
124 | int len,localstatus; |
99 | |
125 | |
100 | psiconv_progress(lev+1,off,"Going to read a S length indicator"); |
126 | psiconv_progress(config,lev+1,off,"Going to read a S length indicator"); |
101 | temp = psiconv_read_u8(buf,lev+2,off,&localstatus); |
127 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
102 | if (localstatus) |
128 | if (localstatus) |
103 | goto ERROR; |
129 | goto ERROR; |
104 | if ((temp & 0x03) == 0x02) { |
130 | if ((temp & 0x03) == 0x02) { |
105 | res = psiconv_read_u8(buf,lev+2,off,&localstatus) >> 2; |
131 | res = psiconv_read_u8(config,buf,lev+2,off,&localstatus) >> 2; |
106 | if (localstatus) |
132 | if (localstatus) |
107 | goto ERROR; |
133 | goto ERROR; |
108 | len = 1; |
134 | len = 1; |
109 | psiconv_debug(lev+2,off,"Indicator (1 byte): %02x",res); |
135 | psiconv_debug(config,lev+2,off,"Indicator (1 byte): %02x",res); |
110 | } else if ((temp & 0x07) == 0x03) { |
136 | } else if ((temp & 0x07) == 0x05) { |
111 | res = psiconv_read_u16(buf,lev+2,off,&localstatus) >> 3; |
137 | res = psiconv_read_u16(config,buf,lev+2,off,&localstatus) >> 3; |
112 | if (localstatus) |
138 | if (localstatus) |
113 | goto ERROR; |
139 | goto ERROR; |
114 | len = 2; |
140 | len = 2; |
115 | psiconv_debug(lev+2,off,"Indicator (2 bytes): %04x",res); |
141 | psiconv_debug(config,lev+2,off,"Indicator (2 bytes): %04x",res); |
116 | } else { |
142 | } else { |
117 | psiconv_warn(lev+2,off,"S indicator: unknown encoding!"); |
143 | psiconv_error(config,lev+2,off,"S indicator: unknown encoding!"); |
118 | psiconv_debug(lev+2,off,"Raw data first byte: %02x",temp); |
144 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
119 | goto ERROR; |
145 | goto ERROR; |
120 | } |
146 | } |
121 | |
147 | |
122 | if (length) |
148 | if (length) |
123 | *length = len; |
149 | *length = len; |
124 | if (status) |
150 | if (status) |
125 | *status = 0; |
151 | *status = 0; |
126 | |
152 | |
127 | psiconv_progress(lev+1,off+len-1, |
153 | psiconv_progress(config,lev+1,off+len-1, |
128 | "End of S length indicator (total length: %08x)", len); |
154 | "End of S length indicator (total length: %08x)", len); |
129 | |
155 | |
130 | return res; |
156 | return res; |
131 | |
157 | |
132 | ERROR: |
158 | ERROR: |
133 | psiconv_warn(lev+1,off,"Reading of S indicator failed"); |
159 | psiconv_error(config,lev+1,off,"Reading of S indicator failed"); |
134 | if (status) |
160 | if (status) |
135 | *status = localstatus; |
161 | *status = localstatus; |
136 | if (length) |
162 | if (length) |
137 | *length = 0; |
163 | *length = 0; |
138 | return 0; |
164 | return 0; |
139 | } |
165 | } |
140 | |
166 | |
141 | psiconv_X_t psiconv_read_X(const psiconv_buffer buf, int lev, psiconv_u32 off, |
167 | psiconv_X_t psiconv_read_X(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
142 | int *length, int *status) |
168 | int *length, int *status) |
143 | { |
169 | { |
144 | psiconv_u8 temp; |
170 | psiconv_u8 temp; |
145 | psiconv_X_t res; |
171 | psiconv_X_t res; |
146 | int len,localstatus; |
172 | int len,localstatus; |
147 | |
173 | |
148 | psiconv_progress(lev+1,off,"Going to read a X length indicator"); |
174 | psiconv_progress(config,lev+1,off,"Going to read a X length indicator"); |
149 | temp = psiconv_read_u8(buf,lev+2,off,&localstatus); |
175 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
150 | if (localstatus) |
176 | if (localstatus) |
151 | goto ERROR; |
177 | goto ERROR; |
152 | if ((temp & 0x01) == 0x00) { |
178 | if ((temp & 0x01) == 0x00) { |
153 | res = psiconv_read_u8(buf,lev+2,off,&localstatus) >> 1; |
179 | res = psiconv_read_u8(config,buf,lev+2,off,&localstatus) >> 1; |
154 | if (localstatus) |
180 | if (localstatus) |
155 | goto ERROR; |
181 | goto ERROR; |
156 | len = 1; |
182 | len = 1; |
157 | psiconv_debug(lev+2,off,"Indicator (1 byte): %02x",res); |
183 | psiconv_debug(config,lev+2,off,"Indicator (1 byte): %02x",res); |
158 | } else if ((temp & 0x03) == 0x01) { |
184 | } else if ((temp & 0x03) == 0x01) { |
159 | res = psiconv_read_u16(buf,lev+2,off,&localstatus) >> 2; |
185 | res = psiconv_read_u16(config,buf,lev+2,off,&localstatus) >> 2; |
160 | if (localstatus) |
186 | if (localstatus) |
161 | goto ERROR; |
187 | goto ERROR; |
162 | len = 2; |
188 | len = 2; |
163 | psiconv_debug(lev+2,off,"Indicator (2 bytes): %04x",res); |
189 | psiconv_debug(config,lev+2,off,"Indicator (2 bytes): %04x",res); |
164 | } else if ((temp & 0x07) == 0x03) { |
190 | } else if ((temp & 0x07) == 0x03) { |
165 | res = psiconv_read_u32(buf,lev+2,off,&localstatus) >> 3; |
191 | res = psiconv_read_u32(config,buf,lev+2,off,&localstatus) >> 3; |
166 | if (localstatus) |
192 | if (localstatus) |
167 | goto ERROR; |
193 | goto ERROR; |
168 | len = 4; |
194 | len = 4; |
169 | psiconv_debug(lev+2,off,"Indicator (4 bytes): %08x",res); |
195 | psiconv_debug(config,lev+2,off,"Indicator (4 bytes): %08x",res); |
170 | } else { |
196 | } else { |
171 | psiconv_warn(lev+2,off,"X indicator: unknown encoding!"); |
197 | psiconv_error(config,lev+2,off,"X indicator: unknown encoding!"); |
172 | psiconv_debug(lev+2,off,"Raw data first byte: %02x",temp); |
198 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
173 | goto ERROR; |
199 | goto ERROR; |
174 | } |
200 | } |
175 | |
201 | |
176 | if (length) |
202 | if (length) |
177 | *length = len; |
203 | *length = len; |
178 | if (status) |
204 | if (status) |
179 | *status = 0; |
205 | *status = 0; |
180 | |
206 | |
181 | psiconv_progress(lev+1,off+len-1, |
207 | psiconv_progress(config,lev+1,off+len-1, |
182 | "End of X length indicator (total length: %08x)", len); |
208 | "End of X length indicator (total length: %08x)", len); |
183 | |
209 | |
184 | return res; |
210 | return res; |
185 | |
211 | |
186 | ERROR: |
212 | ERROR: |
187 | psiconv_warn(lev+1,off,"Reading of X indicator failed"); |
213 | psiconv_error(config,lev+1,off,"Reading of X indicator failed"); |
188 | if (status) |
214 | if (status) |
189 | *status = localstatus; |
215 | *status = localstatus; |
190 | if (length) |
216 | if (length) |
191 | *length = 0; |
217 | *length = 0; |
192 | return 0; |
218 | return 0; |
193 | } |
219 | } |
194 | |
220 | |
195 | psiconv_length_t psiconv_read_length(const psiconv_buffer buf, int lev, |
221 | psiconv_length_t psiconv_read_length(const psiconv_config config,const psiconv_buffer buf, int lev, |
196 | psiconv_u32 off, int *length, int *status) |
222 | psiconv_u32 off, int *length, int *status) |
197 | { |
223 | { |
198 | psiconv_length_t res; |
224 | psiconv_length_t res; |
199 | int localstatus; |
225 | int localstatus; |
200 | |
226 | |
201 | res = (2.54/1440.0) * ((psiconv_s32) psiconv_read_u32(buf,lev,off, |
227 | res = (2.54/1440.0) * ((psiconv_s32) psiconv_read_u32(config,buf,lev,off, |
202 | &localstatus)); |
228 | &localstatus)); |
203 | if (localstatus) { |
229 | if (localstatus) { |
204 | psiconv_warn(lev+1,off,"Reading of length failed"); |
230 | psiconv_error(config,lev+1,off,"Reading of length failed"); |
205 | if (length) |
231 | if (length) |
206 | *length = 0; |
232 | *length = 0; |
207 | if (status) |
233 | if (status) |
208 | *status = localstatus; |
234 | *status = localstatus; |
209 | return 0; |
235 | return 0; |
210 | } |
236 | } |
211 | psiconv_debug(lev+1,off,"Length: %f",res); |
237 | psiconv_debug(config,lev+1,off,"Length: %f",res); |
212 | if (length) |
238 | if (length) |
213 | *length = 4; |
239 | *length = 4; |
214 | if (status) |
240 | if (status) |
215 | *status = 0; |
241 | *status = 0; |
216 | return res; |
242 | return res; |
217 | } |
243 | } |
218 | |
244 | |
219 | psiconv_size_t psiconv_read_size(const psiconv_buffer buf, int lev, |
245 | psiconv_size_t psiconv_read_size(const psiconv_config config,const psiconv_buffer buf, int lev, |
220 | psiconv_u32 off, int *length, int *status) |
246 | psiconv_u32 off, int *length, int *status) |
221 | { |
247 | { |
222 | psiconv_size_t res; |
248 | psiconv_size_t res; |
223 | int localstatus; |
249 | int localstatus; |
224 | res = ((psiconv_s32) psiconv_read_u32(buf,lev,off,&localstatus)) / 20.0; |
250 | res = ((psiconv_s32) psiconv_read_u32(config,buf,lev,off,&localstatus)) / 20.0; |
225 | if (localstatus) { |
251 | if (localstatus) { |
226 | psiconv_warn(lev+1,off,"Reading of size failed"); |
252 | psiconv_error(config,lev+1,off,"Reading of size failed"); |
227 | if (length) |
253 | if (length) |
228 | *length = 0; |
254 | *length = 0; |
229 | if (status) |
255 | if (status) |
230 | *status = localstatus; |
256 | *status = localstatus; |
231 | return 0; |
257 | return 0; |
232 | } |
258 | } |
233 | psiconv_debug(lev+1,off,"Size: %f",res); |
259 | psiconv_debug(config,lev+1,off,"Size: %f",res); |
234 | if (status) |
260 | if (status) |
235 | *status = 0; |
261 | *status = 0; |
236 | if (length) |
262 | if (length) |
237 | *length = 4; |
263 | *length = 4; |
238 | return res; |
264 | return res; |
239 | } |
265 | } |
240 | |
266 | |
241 | int psiconv_parse_bool(const psiconv_buffer buf, int lev, psiconv_u32 off, |
267 | int psiconv_parse_bool(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
242 | int *length, psiconv_bool_t *result) |
268 | int *length, psiconv_bool_t *result) |
243 | { |
269 | { |
244 | psiconv_u8 temp; |
270 | psiconv_u8 temp; |
245 | int localstatus; |
271 | int localstatus; |
246 | temp = psiconv_read_u8(buf,lev,off,&localstatus); |
272 | temp = psiconv_read_u8(config,buf,lev,off,&localstatus); |
247 | if (localstatus) { |
273 | if (localstatus) { |
248 | psiconv_warn(lev+1,off,"Reading of bool failed"); |
274 | psiconv_error(config,lev+1,off,"Reading of bool failed"); |
249 | if (length) |
275 | if (length) |
250 | *length = 0; |
276 | *length = 0; |
251 | return localstatus; |
277 | return localstatus; |
252 | } |
278 | } |
253 | if (length) |
279 | if (length) |
… | |
… | |
257 | return 0; |
283 | return 0; |
258 | } else if (temp == 1) { |
284 | } else if (temp == 1) { |
259 | *result = psiconv_bool_true; |
285 | *result = psiconv_bool_true; |
260 | return 0; |
286 | return 0; |
261 | } |
287 | } |
262 | psiconv_warn(lev+1,off,"Unknown value for boolean"); |
288 | psiconv_warn(config,lev+1,off,"Unknown value for boolean"); |
263 | psiconv_debug(lev+1,off,"Boolean value: %02x",temp); |
289 | psiconv_debug(config,lev+1,off,"Boolean value: %02x",temp); |
264 | *result = psiconv_bool_true; |
290 | *result = psiconv_bool_true; |
265 | return 0; |
291 | return 0; |
266 | } |
292 | } |
267 | |
293 | |
268 | psiconv_string_t psiconv_read_string(const psiconv_buffer buf,int lev, |
294 | psiconv_string_t psiconv_read_string(const psiconv_config config, |
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295 | const psiconv_buffer buf,int lev, |
269 | psiconv_u32 off,int *length, int *status) |
296 | psiconv_u32 off,int *length, int *status) |
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297 | { |
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298 | return psiconv_read_string_aux(config,buf,lev,off,length,status,-1); |
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299 | } |
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300 | |
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301 | psiconv_string_t psiconv_read_short_string(const psiconv_config config, |
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302 | const psiconv_buffer buf,int lev, |
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303 | psiconv_u32 off,int *length, int *status) |
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304 | { |
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305 | return psiconv_read_string_aux(config,buf,lev,off,length,status,-2); |
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306 | } |
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307 | |
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308 | psiconv_string_t psiconv_read_charlist(const psiconv_config config, |
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309 | const psiconv_buffer buf, int lev, |
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310 | psiconv_u32 off, int nrofchars, |
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311 | int *status) |
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312 | { |
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313 | int length; |
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314 | if (nrofchars <= 0) { |
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315 | psiconv_error(config,lev,off, |
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316 | "psiconv_read_charlist called with non-positive nrofchars"); |
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317 | if (status) |
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318 | *status = -PSICONV_E_OTHER; |
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319 | return NULL; |
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320 | } |
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321 | return psiconv_read_string_aux(config,buf,lev,off,&length,status,nrofchars); |
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322 | } |
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323 | |
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324 | |
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325 | psiconv_string_t psiconv_read_string_aux(const psiconv_config config, |
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326 | const psiconv_buffer buf,int lev, |
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327 | psiconv_u32 off,int *length, int *status, |
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328 | int kind) |
270 | { |
329 | { |
271 | int stringlen,i,leng,len,localstatus; |
330 | int stringlen,i,leng,len,localstatus; |
272 | psiconv_string_t result; |
331 | psiconv_string_t result; |
273 | char *res_copy; |
332 | char *res_copy; |
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333 | psiconv_u8 temp; |
274 | |
334 | |
275 | psiconv_progress(lev+1,off,"Going to read a string"); |
335 | psiconv_progress(config,lev+1,off,"Going to read a string"); |
276 | |
336 | |
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|
337 | if (kind == -1) |
277 | stringlen = psiconv_read_S(buf,lev+2,off,&leng,&localstatus); |
338 | stringlen = psiconv_read_S(config,buf,lev+2,off,&leng,&localstatus); |
|
|
339 | else if (kind == -2) { |
|
|
340 | stringlen = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
|
|
341 | leng = 1; |
|
|
342 | } else { |
|
|
343 | stringlen = kind; |
|
|
344 | leng = 0; |
|
|
345 | localstatus = 0; |
|
|
346 | } |
278 | if (localstatus) |
347 | if (localstatus) |
279 | goto ERROR1; |
348 | goto ERROR1; |
280 | psiconv_debug(lev+2,off,"Length: %i",stringlen); |
349 | psiconv_debug(config,lev+2,off,"Length: %i",stringlen); |
281 | len = leng; |
350 | len = leng; |
282 | |
351 | |
283 | result = malloc(stringlen + 1); |
352 | result = malloc(sizeof(*result) * (stringlen + 1)); |
284 | if (!result) |
353 | if (!result) |
285 | goto ERROR1; |
354 | goto ERROR1; |
286 | for (i = 0; (i < stringlen) && !localstatus; i++) |
355 | for (i = 0; i < stringlen; i++) { |
287 | result[i] = psiconv_read_u8(buf,lev,off+i+len,&localstatus); |
356 | temp = psiconv_read_u8(config,buf,lev,off+i+len,&localstatus); |
288 | if (localstatus) |
357 | if (localstatus) |
289 | goto ERROR2; |
358 | goto ERROR2; |
|
|
359 | result[i] = psiconv_unicode_from_char(config,temp); |
|
|
360 | } |
290 | result[stringlen] = 0; |
361 | result[stringlen] = 0; |
291 | len += stringlen; |
362 | len += stringlen; |
292 | |
363 | |
293 | res_copy = psiconv_make_printable(result); |
364 | res_copy = psiconv_make_printable(config,result); |
294 | if (!res_copy) |
365 | if (!res_copy) |
295 | goto ERROR2; |
366 | goto ERROR2; |
296 | psiconv_debug(lev+2,off,"Contents: `%s'",res_copy); |
367 | psiconv_debug(config,lev+2,off,"Contents: `%s'",res_copy); |
297 | free(res_copy); |
368 | free(res_copy); |
298 | |
369 | |
299 | if (length) |
370 | if (length) |
300 | *length = len; |
371 | *length = len; |
301 | |
372 | |
302 | if (status) |
373 | if (status) |
303 | *status = 0; |
374 | *status = 0; |
304 | |
375 | |
305 | psiconv_progress(lev+1,off+len-1,"End of string (total length: %08x)",len); |
376 | psiconv_progress(config,lev+1,off+len-1,"End of string (total length: %08x)",len); |
306 | |
377 | |
307 | return result; |
378 | return result; |
308 | |
379 | |
309 | ERROR2: |
380 | ERROR2: |
310 | free(result); |
381 | free(result); |
311 | ERROR1: |
382 | ERROR1: |
312 | psiconv_warn(lev+1,off,"Reading of string failed"); |
383 | psiconv_error(config,lev+1,off,"Reading of string failed"); |
313 | if (status) |
384 | if (status) |
314 | *status = localstatus; |
385 | *status = localstatus; |
315 | if (length) |
386 | if (length) |
316 | *length = 0; |
387 | *length = 0; |
317 | return NULL; |
388 | return NULL; |
318 | } |
389 | } |
319 | |
390 | |
320 | psiconv_string_t psiconv_read_short_string(const psiconv_buffer buf, |
|
|
321 | int lev, |
|
|
322 | psiconv_u32 off,int *length, int *status) |
|
|
323 | { |
|
|
324 | int stringlen,i,len,localstatus; |
|
|
325 | psiconv_string_t result; |
|
|
326 | char *res_copy; |
|
|
327 | |
|
|
328 | psiconv_progress(lev+1,off,"Going to read a short string"); |
|
|
329 | |
|
|
330 | stringlen = psiconv_read_u8(buf,lev+2,off,&localstatus); |
|
|
331 | if (localstatus) |
|
|
332 | goto ERROR1; |
|
|
333 | psiconv_debug(lev+2,off,"Length: %i",stringlen); |
|
|
334 | len = 1; |
|
|
335 | |
|
|
336 | result = malloc(stringlen + 1); |
|
|
337 | if (!result) |
|
|
338 | goto ERROR1; |
|
|
339 | for (i = 0; (i < stringlen) && !localstatus; i++) |
|
|
340 | result[i] = psiconv_read_u8(buf,lev,off+i+len,&localstatus); |
|
|
341 | if (localstatus) |
|
|
342 | goto ERROR2; |
|
|
343 | result[stringlen] = 0; |
|
|
344 | len += stringlen; |
|
|
345 | |
|
|
346 | res_copy = psiconv_make_printable(result); |
|
|
347 | if (!res_copy) |
|
|
348 | goto ERROR2; |
|
|
349 | psiconv_debug(lev+2,off,"Contents: `%s'",res_copy); |
|
|
350 | free(res_copy); |
|
|
351 | |
|
|
352 | if (length) |
|
|
353 | *length = len; |
|
|
354 | |
|
|
355 | if (status) |
|
|
356 | *status = 0; |
|
|
357 | |
|
|
358 | psiconv_progress(lev+1,off+len-1,"End of short string (total length: %08x)", |
|
|
359 | len); |
|
|
360 | |
|
|
361 | return result; |
|
|
362 | |
|
|
363 | |
|
|
364 | ERROR2: |
|
|
365 | free(result); |
|
|
366 | ERROR1: |
|
|
367 | psiconv_warn(lev+1,off,"Reading of short string failed"); |
|
|
368 | if (status) |
|
|
369 | *status = localstatus; |
|
|
370 | if (length) |
|
|
371 | *length = 0; |
|
|
372 | return NULL; |
|
|
373 | } |
|
|
374 | |
|
|
375 | psiconv_float_t psiconv_read_float(const psiconv_buffer buf, int lev, |
391 | psiconv_float_t psiconv_read_float(const psiconv_config config,const psiconv_buffer buf, int lev, |
376 | psiconv_u32 off, int *length, int *status) |
392 | psiconv_u32 off, int *length, int *status) |
377 | { |
393 | { |
378 | psiconv_float_t result,bitvalue; |
394 | psiconv_float_t result,bitvalue; |
379 | int res,bit; |
395 | int res,bit; |
380 | psiconv_u32 temp=0; |
396 | psiconv_u32 temp=0; |
381 | |
397 | |
382 | psiconv_progress(lev+1,off,"Going to read a float"); |
398 | psiconv_progress(config,lev+1,off,"Going to read a float"); |
383 | |
399 | |
384 | bitvalue = 0.5; |
400 | bitvalue = 0.5; |
385 | result = 1.0; |
401 | result = 1.0; |
386 | for (bit = 0x33; bit > 0; bit--) { |
402 | for (bit = 0x33; bit > 0; bit--) { |
387 | if ((bit == 0x33) || ((bit & 0x07) == 0x07)) |
403 | if ((bit == 0x33) || ((bit & 0x07) == 0x07)) |
388 | temp = psiconv_read_u8(buf,lev+2,off+ (bit >> 3),&res); |
404 | temp = psiconv_read_u8(config,buf,lev+2,off+ (bit >> 3),&res); |
389 | if (res) |
405 | if (res) |
390 | goto ERROR; |
406 | goto ERROR; |
391 | if (temp & (0x01 << (bit & 0x07))) |
407 | if (temp & (0x01 << (bit & 0x07))) |
392 | result += bitvalue; |
408 | result += bitvalue; |
393 | bitvalue /= 2.0; |
409 | bitvalue /= 2.0; |
394 | } |
410 | } |
395 | temp = psiconv_read_u16(buf,lev+2,off+6,&res); |
411 | temp = psiconv_read_u16(config,buf,lev+2,off+6,&res); |
396 | if (res) |
412 | if (res) |
397 | goto ERROR; |
413 | goto ERROR; |
398 | if (temp & 0x8000) |
414 | if (temp & 0x8000) |
399 | result = -result; |
415 | result = -result; |
400 | temp = (temp & 0x7ff0) >> 4; |
416 | temp = (temp & 0x7ff0) >> 4; |
401 | result *= pow2(((int) temp)-0x3ff); |
417 | result *= pow2(((int) temp)-0x3ff); |
402 | psiconv_debug(lev+1,off,"Float value: %f",result); |
418 | psiconv_debug(config,lev+1,off,"Float value: %f",result); |
403 | if (length) |
419 | if (length) |
404 | *length = 8; |
420 | *length = 8; |
405 | if (*status) |
421 | if (*status) |
406 | *status = res; |
422 | *status = res; |
407 | return result; |
423 | return result; |
408 | ERROR: |
424 | ERROR: |
409 | psiconv_warn(lev+1,off,"Reading of float failed"); |
425 | psiconv_error(config,lev+1,off,"Reading of float failed"); |
410 | if (length) |
426 | if (length) |
411 | *length = 0; |
427 | *length = 0; |
412 | if (*status) |
428 | if (*status) |
413 | *status = res; |
429 | *status = res; |
414 | return 0.0; |
430 | return 0.0; |