project_files/hwc/rtl/system.c
author unc0rr
Thu, 11 Oct 2018 23:43:31 +0200
changeset 13880 5f819b90d479
parent 11655 e15eb10f1703
child 13920 7173b702e8db
permissions -rw-r--r--
- Fix insert() for strings in pas2c - Implement insert() for ansistrings
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#include "system.h"
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#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
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// some math.h do not have M_PI macros
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# define M_PI    3.14159265358979323846  /* pi */
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# 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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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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    if (index < 1) {
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        index = 1;
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    }
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    if (index > s.len) {
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        return result;
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    }
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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;
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    return result;
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}
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astring fpcrtl_copyA(astring s, Integer index, Integer count) {
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    astring result;
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    result.len = 0;
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    if (count < 1) {
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        return result;
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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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    if (index > s.len) {
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        return result;
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    }
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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_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_insert__vars(astring *src, astring *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 > MAX_ANSISTRING_LENGTH)) {
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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 > MAX_ANSISTRING_LENGTH) {
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        num_preshift = MAX_ANSISTRING_LENGTH;
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        num_insert = MAX_ANSISTRING_LENGTH - (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 > MAX_ANSISTRING_LENGTH)
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                num_shift = MAX_ANSISTRING_LENGTH - 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
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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->str + index - 1, s->str + index - 1 + count, num_move);
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    s->str[new_length] = 0;
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    s->len = new_length;
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}
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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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string255 fpcrtl_floatToStr(double n) {
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    string255 t;
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    sprintf(t.str, "%f", n);
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    t.len = strlen(t.str);
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    return t;
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}
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void fpcrtl_move__vars(void *src, void *dst, SizeInt count) {
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    memmove(dst, src, count);
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}
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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;
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}
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Integer __attribute__((overloadable)) fpcrtl_pos(string255 substr, 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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    if (substr.len == 0) {
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        return 0;
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    }
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    FIX_STRING(substr);
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    FIX_STRING(str);
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    p = strstr(str.str, substr.str);
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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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}
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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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}
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Integer __attribute__((overloadable)) fpcrtl_pos(string255 substr, 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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    if (substr.len == 0) {
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        return 0;
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    }
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    FIX_STRING(substr);
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    str.s[str.len] = 0;
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    p = strstr(str.s + 1, substr.str);
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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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}
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Integer fpcrtl_length(string255 s) {
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    return s.len;
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}
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Integer fpcrtl_lengthA(astring s)
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{
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    return s.len;
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}
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string255 fpcrtl_lowerCase(string255 s) {
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    int i;
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    for (i = 0; i < s.len; i++) {
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        if (s.str[i] >= 'A' && s.str[i] <= 'Z') {
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            s.str[i] += 'a' - 'A';
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        }
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    }
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    return s;
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}
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void fpcrtl_fillChar__vars(void *x, SizeInt count, Byte value) {
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    memset(x, value, count);
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}
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void fpcrtl_new__vars(void **p, int size) {
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    *p = malloc(size);
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}
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Integer fpcrtl_trunc(extended n) {
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    return (int) n;
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}
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Integer fpcrtl_ceil(extended n) {
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   347
    return (int) (ceil(n));
df11dea74701 Add ceil() function to fpcrtl of pas2c
unc0rr
parents: 10840
diff changeset
   348
}
df11dea74701 Add ceil() function to fpcrtl of pas2c
unc0rr
parents: 10840
diff changeset
   349
7983
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   350
LongInt str_to_int(char *src)
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   351
{
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   352
    int i;
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   353
    int len = strlen(src);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   354
    char *end;
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   355
    for(i = 0; i < len; i++)
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   356
    {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   357
        if(src[i] == '$'){
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   358
            // hex
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   359
            return strtol(src + i + 1, &end, 16);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   360
        }
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   361
    }
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   362
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   363
    // decimal
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   364
    return atoi(src);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   365
}
8850
ae8a957c69fd engine to c now compiles with some manual intervention (as of bug 596)
koda
parents: 8053
diff changeset
   366
ae8a957c69fd engine to c now compiles with some manual intervention (as of bug 596)
koda
parents: 8053
diff changeset
   367
void __attribute__((overloadable)) fpcrtl_val__vars(string255 s, LongInt *a)
ae8a957c69fd engine to c now compiles with some manual intervention (as of bug 596)
koda
parents: 8053
diff changeset
   368
{
7983
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   369
    FIX_STRING(s);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   370
    *a = str_to_int(s.str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   371
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   372
8850
ae8a957c69fd engine to c now compiles with some manual intervention (as of bug 596)
koda
parents: 8053
diff changeset
   373
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
   374
{
7983
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   375
    FIX_STRING(s);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   376
    *a = str_to_int(s.str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   377
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   378
8850
ae8a957c69fd engine to c now compiles with some manual intervention (as of bug 596)
koda
parents: 8053
diff changeset
   379
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
   380
{
7983
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   381
    FIX_STRING(s);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   382
    *a = str_to_int(s.str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   383
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   384
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   385
LongInt fpcrtl_random(LongInt l) {
10625
125e120165aa flake FrameTicks value of 0 now indicades that the frame should not be changed
sheepluva
parents: 10134
diff changeset
   386
    // 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
   387
    if (l == 0) {
10840
6d1986411733 add newline after warning
sheepluva
parents: 10838
diff changeset
   388
        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
   389
        return 0;
125e120165aa flake FrameTicks value of 0 now indicades that the frame should not be changed
sheepluva
parents: 10134
diff changeset
   390
    }
7983
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   391
    return (LongInt) (rand() / (double) RAND_MAX * l);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   392
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   393
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   394
void __attribute__((overloadable)) fpcrtl_str__vars(float x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   395
    sprintf(s->str, "%f", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   396
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   397
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   398
void __attribute__((overloadable)) fpcrtl_str__vars(double x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   399
    sprintf(s->str, "%f", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   400
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   401
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   402
void __attribute__((overloadable)) fpcrtl_str__vars(uint8_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   403
    sprintf(s->str, "%u", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   404
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   405
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   406
void __attribute__((overloadable)) fpcrtl_str__vars(int8_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   407
    sprintf(s->str, "%d", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   408
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   409
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   410
void __attribute__((overloadable)) fpcrtl_str__vars(uint16_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   411
    sprintf(s->str, "%u", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   412
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   413
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   414
void __attribute__((overloadable)) fpcrtl_str__vars(int16_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   415
    sprintf(s->str, "%d", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   416
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   417
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   418
void __attribute__((overloadable)) fpcrtl_str__vars(uint32_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   419
    sprintf(s->str, "%u", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   420
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   421
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   422
void __attribute__((overloadable)) fpcrtl_str__vars(int32_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   423
    sprintf(s->str, "%d", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   424
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   425
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   426
void __attribute__((overloadable)) fpcrtl_str__vars(uint64_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   427
    sprintf(s->str, "%llu", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   428
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   429
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   430
void __attribute__((overloadable)) fpcrtl_str__vars(int64_t x, string255 *s) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   431
    sprintf(s->str, "%lld", x);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   432
    s->len = strlen(s->str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   433
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   434
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   435
/*
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   436
 * XXX No protection currently!
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   437
 */
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   438
void fpcrtl_interlockedIncrement__vars(int *i) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   439
    (*i)++;
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   440
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   441
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   442
void fpcrtl_interlockedDecrement__vars(int *i) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   443
    (*i)--;
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   444
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   445
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   446
/*
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   447
 * This function should be called when entering main
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   448
 */
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   449
void fpcrtl_init(int argc, char** argv) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   450
    int i;
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   451
    paramCount = argc;
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   452
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   453
    printf("ARGC = %d\n", paramCount);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   454
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   455
    for (i = 0; i < argc; i++) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   456
        if (strlen(argv[i]) > 255) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   457
            assert(0);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   458
        }
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   459
        strcpy(params[i].str, argv[i]);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   460
        params[i].len = strlen(params[i].str);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   461
    }
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   462
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   463
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   464
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   465
int fpcrtl_paramCount() {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   466
    return paramCount - 1; // ignore the first one
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   467
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   468
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   469
string255 fpcrtl_paramStr(int i) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   470
    return params[i];
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   471
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   472
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   473
int fpcrtl_UTF8ToUnicode(PWideChar dest, PChar src, SizeInt maxLen) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   474
    //return swprintf(dest, maxLen, L"%hs", "src"); //doesn't work in emscripten
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   475
    return 0;
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   476
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   477
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   478
uint32_t __attribute__((overloadable)) fpcrtl_lo(uint64_t i) {
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   479
    return (i & 0xFFFFFFFF);
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   480
}
02f36c3e7f6c add xymeng's rtl port
koda
parents:
diff changeset
   481