author | alfadur |
Sat, 06 Oct 2018 01:24:27 +0300 | |
changeset 13875 | a966b1914792 |
parent 11660 | e15eb10f1703 |
child 13885 | 5f819b90d479 |
permissions | -rw-r--r-- |
7983 | 1 |
#include "system.h" |
2 |
#include <string.h> |
|
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#include <stdio.h> |
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#include <stdlib.h> |
|
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#include <wchar.h> |
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#include "pmath.h" |
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#ifndef M_PI |
9 |
// some math.h do not have M_PI macros |
|
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# define M_PI 3.14159265358979323846 /* pi */ |
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11 |
# define M_PI_2 1.57079632679489661923 /* pi/2 */ |
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# define M_PI_4 0.78539816339744830962 /* pi/4 */ |
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# define M_PIl 3.1415926535897932384626433832795029L /* pi */ |
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# define M_PI_2l 1.5707963267948966192313216916397514L /* pi/2 */ |
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# define M_PI_4l 0.7853981633974483096156608458198757L /* pi/4 */ |
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#endif |
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double pi = M_PI; |
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||
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int paramCount; |
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string255 params[MAX_PARAMS]; |
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string255 fpcrtl_copy(string255 s, Integer index, Integer count) { |
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string255 result = STRINIT(""); |
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if (count < 1) { |
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return result; |
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} |
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||
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if (index < 1) { |
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index = 1; |
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} |
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33 |
||
34 |
if (index > s.len) { |
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return result; |
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} |
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37 |
||
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if (index + count > s.len + 1) { |
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count = s.len + 1 - index; |
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} |
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memcpy(result.str, s.str + index - 1, count); |
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result.len = count; |
45 |
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return result; |
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} |
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48 |
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astring fpcrtl_copyA(astring s, Integer index, Integer count) { |
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astring result; |
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51 |
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result.len = 0; |
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53 |
||
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if (count < 1) { |
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return result; |
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} |
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57 |
||
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if (index < 1) { |
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index = 1; |
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} |
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61 |
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62 |
if (index > s.len) { |
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return result; |
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} |
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65 |
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if (index + count > s.len + 1) { |
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count = s.len + 1 - index; |
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} |
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memcpy(result.s + 1, s.s + index, count); |
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result.len = count; |
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return result; |
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} |
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void fpcrtl_insert__vars(string255 *src, string255 *dst, SizeInt index) { |
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int num_insert; |
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int num_shift; |
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int num_preshift; |
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// nothing to do if empty string is inserted or index invalid |
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if ((src->len == 0) || (index < 1) || (index > 255)) { |
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return; |
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} |
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num_insert = src->len; |
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// number of chars from start of destination string to end of insertion |
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num_preshift = index - 1 + num_insert; |
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// don't overflow on insert |
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if (num_preshift > 255) { |
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num_insert = 255 - (index - 1); |
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num_shift = 0; |
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} |
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// shift trailing chars |
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else { |
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// number of bytes to be shifted |
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num_shift = dst->len - (index - 1); |
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if (num_shift > 0) { |
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// don't overflow when shifting |
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if (num_shift + num_preshift > 255) |
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num_shift = 255 - num_preshift; |
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// time to move some bytes! |
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memmove(dst->str + num_preshift, dst->str + index - 1, num_shift); |
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} |
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} |
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// actual byte insertion |
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memmove(dst->str + index - 1, src->str, num_insert); |
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// store new length |
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dst->len = num_shift + num_preshift; |
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} |
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void __attribute__((overloadable)) fpcrtl_delete__vars(string255 *s, SizeInt index, SizeInt count) { |
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// number of chars to be move |
119 |
int num_move; |
|
120 |
int new_length; |
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121 |
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122 |
if (index < 1) { |
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123 |
// in fpc, if index < 1, the string won't be modified |
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124 |
return; |
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125 |
} |
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127 |
if(index > s->len){ |
|
128 |
return; |
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129 |
} |
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130 |
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131 |
if (count > s->len - index + 1) { |
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s->len = index - 1; |
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133 |
return; |
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} |
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num_move = s->len - index + 1 - count; |
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new_length = s->len - count; |
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memmove(s->str + index - 1, s->str + index - 1 + count, num_move); |
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s->str[new_length] = 0; |
141 |
||
142 |
s->len = new_length; |
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143 |
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144 |
} |
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void __attribute__((overloadable)) fpcrtl_delete__vars(astring *s, SizeInt index, SizeInt count) { |
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// number of chars to be move |
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int num_move; |
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int new_length; |
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if (index < 1) { |
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// in fpc, if index < 1, the string won't be modified |
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return; |
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} |
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if(index > s->len){ |
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return; |
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} |
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if (count > s->len - index + 1) { |
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s->len = index - 1; |
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return; |
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} |
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num_move = s->len - index + 1 - count; |
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new_length = s->len - count; |
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memmove(s->s + index, s->s + index + count, num_move); |
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s->len = new_length; |
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} |
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7983 | 174 |
string255 fpcrtl_floatToStr(double n) { |
175 |
string255 t; |
|
176 |
sprintf(t.str, "%f", n); |
|
177 |
t.len = strlen(t.str); |
|
178 |
||
179 |
return t; |
|
180 |
} |
|
181 |
||
182 |
void fpcrtl_move__vars(void *src, void *dst, SizeInt count) { |
|
183 |
memmove(dst, src, count); |
|
184 |
} |
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185 |
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186 |
Integer __attribute__((overloadable)) fpcrtl_pos(Char c, string255 str) { |
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unsigned char* p; |
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if (str.len == 0) { |
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return 0; |
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} |
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FIX_STRING(str); |
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p = strchr(str.str, c); |
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if (p == NULL) { |
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return 0; |
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} |
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return p - (unsigned char*)&str.s; |
7983 | 203 |
} |
204 |
||
205 |
Integer __attribute__((overloadable)) fpcrtl_pos(string255 substr, string255 str) { |
|
206 |
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unsigned char* p; |
7983 | 208 |
|
209 |
if (str.len == 0) { |
|
210 |
return 0; |
|
211 |
} |
|
212 |
||
213 |
if (substr.len == 0) { |
|
214 |
return 0; |
|
215 |
} |
|
216 |
||
10128 | 217 |
FIX_STRING(substr); |
218 |
FIX_STRING(str); |
|
7983 | 219 |
|
220 |
p = strstr(str.str, substr.str); |
|
221 |
||
222 |
if (p == NULL) { |
|
223 |
return 0; |
|
224 |
} |
|
225 |
||
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return p - (unsigned char*)&str.s; |
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} |
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Integer __attribute__((overloadable)) fpcrtl_pos(Char c, astring str) { |
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unsigned char* p; |
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if (str.len == 0) { |
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return 0; |
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} |
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p = strchr(str.s + 1, c); |
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if (p == NULL) { |
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return 0; |
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} |
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return p - (unsigned char*)&str.s; |
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243 |
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7983 | 244 |
} |
245 |
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Integer __attribute__((overloadable)) fpcrtl_pos(string255 substr, astring str) { |
247 |
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unsigned char* p; |
10128 | 249 |
|
250 |
if (str.len == 0) { |
|
251 |
return 0; |
|
252 |
} |
|
253 |
||
254 |
if (substr.len == 0) { |
|
255 |
return 0; |
|
256 |
} |
|
257 |
||
258 |
FIX_STRING(substr); |
|
259 |
str.s[str.len] = 0; |
|
260 |
||
261 |
p = strstr(str.s + 1, substr.str); |
|
262 |
||
263 |
if (p == NULL) { |
|
264 |
return 0; |
|
265 |
} |
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267 |
return p - (unsigned char *)&str.s; |
10128 | 268 |
} |
269 |
||
7983 | 270 |
Integer fpcrtl_length(string255 s) { |
271 |
return s.len; |
|
272 |
} |
|
273 |
||
10128 | 274 |
Integer fpcrtl_lengthA(astring s) |
275 |
{ |
|
276 |
return s.len; |
|
277 |
} |
|
278 |
||
279 |
||
7983 | 280 |
string255 fpcrtl_lowerCase(string255 s) { |
281 |
int i; |
|
282 |
||
283 |
for (i = 0; i < s.len; i++) { |
|
284 |
if (s.str[i] >= 'A' && s.str[i] <= 'Z') { |
|
285 |
s.str[i] += 'a' - 'A'; |
|
286 |
} |
|
287 |
} |
|
288 |
||
289 |
return s; |
|
290 |
} |
|
291 |
||
292 |
void fpcrtl_fillChar__vars(void *x, SizeInt count, Byte value) { |
|
293 |
memset(x, value, count); |
|
294 |
} |
|
295 |
||
296 |
void fpcrtl_new__vars(void **p, int size) { |
|
297 |
*p = malloc(size); |
|
298 |
} |
|
299 |
||
300 |
Integer fpcrtl_trunc(extended n) { |
|
301 |
return (int) n; |
|
302 |
} |
|
303 |
||
10910 | 304 |
Integer fpcrtl_ceil(extended n) { |
305 |
return (int) (ceil(n)); |
|
306 |
} |
|
307 |
||
7983 | 308 |
LongInt str_to_int(char *src) |
309 |
{ |
|
310 |
int i; |
|
311 |
int len = strlen(src); |
|
312 |
char *end; |
|
313 |
for(i = 0; i < len; i++) |
|
314 |
{ |
|
315 |
if(src[i] == '$'){ |
|
316 |
// hex |
|
317 |
return strtol(src + i + 1, &end, 16); |
|
318 |
} |
|
319 |
} |
|
320 |
||
321 |
// decimal |
|
322 |
return atoi(src); |
|
323 |
} |
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void __attribute__((overloadable)) fpcrtl_val__vars(string255 s, LongInt *a) |
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{ |
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FIX_STRING(s); |
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*a = str_to_int(s.str); |
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} |
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ae8a957c69fd
engine to c now compiles with some manual intervention (as of bug 596)
koda
parents:
8053
diff
changeset
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void __attribute__((overloadable)) fpcrtl_val__vars(string255 s, Byte *a) |
ae8a957c69fd
engine to c now compiles with some manual intervention (as of bug 596)
koda
parents:
8053
diff
changeset
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{ |
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FIX_STRING(s); |
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*a = str_to_int(s.str); |
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} |
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8850
ae8a957c69fd
engine to c now compiles with some manual intervention (as of bug 596)
koda
parents:
8053
diff
changeset
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void __attribute__((overloadable)) fpcrtl_val__vars(string255 s, LongWord *a) |
ae8a957c69fd
engine to c now compiles with some manual intervention (as of bug 596)
koda
parents:
8053
diff
changeset
|
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{ |
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FIX_STRING(s); |
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*a = str_to_int(s.str); |
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} |
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LongInt fpcrtl_random(LongInt l) { |
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flake FrameTicks value of 0 now indicades that the frame should not be changed
sheepluva
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diff
changeset
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// random(0) is undefined in docs but effectively returns 0 in free pascal |
125e120165aa
flake FrameTicks value of 0 now indicades that the frame should not be changed
sheepluva
parents:
10134
diff
changeset
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if (l == 0) { |
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printf("WARNING: random(0) called!\n"); |
10625
125e120165aa
flake FrameTicks value of 0 now indicades that the frame should not be changed
sheepluva
parents:
10134
diff
changeset
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return 0; |
125e120165aa
flake FrameTicks value of 0 now indicades that the frame should not be changed
sheepluva
parents:
10134
diff
changeset
|
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} |
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return (LongInt) (rand() / (double) RAND_MAX * l); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(float x, string255 *s) { |
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sprintf(s->str, "%f", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(double x, string255 *s) { |
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sprintf(s->str, "%f", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(uint8_t x, string255 *s) { |
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sprintf(s->str, "%u", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(int8_t x, string255 *s) { |
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sprintf(s->str, "%d", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(uint16_t x, string255 *s) { |
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sprintf(s->str, "%u", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(int16_t x, string255 *s) { |
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sprintf(s->str, "%d", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(uint32_t x, string255 *s) { |
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sprintf(s->str, "%u", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(int32_t x, string255 *s) { |
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sprintf(s->str, "%d", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(uint64_t x, string255 *s) { |
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sprintf(s->str, "%llu", x); |
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s->len = strlen(s->str); |
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} |
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void __attribute__((overloadable)) fpcrtl_str__vars(int64_t x, string255 *s) { |
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sprintf(s->str, "%lld", x); |
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s->len = strlen(s->str); |
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} |
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/* |
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* XXX No protection currently! |
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*/ |
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void fpcrtl_interlockedIncrement__vars(int *i) { |
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(*i)++; |
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} |
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void fpcrtl_interlockedDecrement__vars(int *i) { |
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(*i)--; |
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} |
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/* |
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* This function should be called when entering main |
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*/ |
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void fpcrtl_init(int argc, char** argv) { |
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int i; |
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paramCount = argc; |
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printf("ARGC = %d\n", paramCount); |
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for (i = 0; i < argc; i++) { |
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if (strlen(argv[i]) > 255) { |
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assert(0); |
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} |
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strcpy(params[i].str, argv[i]); |
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params[i].len = strlen(params[i].str); |
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} |
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} |
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int fpcrtl_paramCount() { |
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return paramCount - 1; // ignore the first one |
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} |
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string255 fpcrtl_paramStr(int i) { |
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return params[i]; |
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} |
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int fpcrtl_UTF8ToUnicode(PWideChar dest, PChar src, SizeInt maxLen) { |
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//return swprintf(dest, maxLen, L"%hs", "src"); //doesn't work in emscripten |
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return 0; |
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} |
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uint32_t __attribute__((overloadable)) fpcrtl_lo(uint64_t i) { |
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return (i & 0xFFFFFFFF); |
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} |
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