53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
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#include "file-helper.h"
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#include <SDL_rwops.h>
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#ifdef __EMSCRIPTEN__
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#include "emscripten.hpp"
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#endif
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char* SDL_rw_file_helper::read() {
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#ifdef __EMSCRIPTEN__
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load_file_async_js(filename);
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#endif
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SDL_RWops *rw = SDL_RWFromFile(filename, "rb");
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if (rw == NULL) return NULL;
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Sint64 res_size = SDL_RWsize(rw);
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char* res = (char*)malloc(res_size + 1);
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Sint64 nb_read_total = 0, nb_read = 1;
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char* buf = res;
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while (nb_read_total < res_size && nb_read != 0) {
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nb_read = SDL_RWread(rw, buf, 1, (res_size - nb_read_total));
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nb_read_total += nb_read;
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buf += nb_read;
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}
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SDL_RWclose(rw);
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if (nb_read_total != res_size) {
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free(res);
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return NULL;
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}
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res[nb_read_total] = '\0';
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length = nb_read_total;
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return res;
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}
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bool SDL_rw_file_helper::write(char * data) {
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SDL_RWops *rw = SDL_RWFromFile(filename, "w");
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if(rw != NULL) {
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size_t len = SDL_strlen(data);
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if (SDL_RWwrite(rw, data, 1, len) != len) {
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return false;
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} else {
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return true;
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}
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SDL_RWclose(rw);
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return true;
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}
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return false;
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}
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