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#include "fileutils.h"
bool fwrite_word16le(FILE* fp, uint16_t x) {
uint8_t buf[2];
buf[0] = x & 0xff;
buf[1] = (x >> 8) & 0xff;
int r = fwrite(buf, 1, 2, fp);
if (r != 2) return false;
return true;
}
bool fwrite_word32le(FILE* fp, uint32_t x) {
bool ret = false;
uint16_t buf[2];
buf[0] = x & 0xffff;
buf[1] = (x >> 16) & 0xffff;
ret = fwrite_word16le(fp, buf[0]);
if (!ret) return ret;
ret = fwrite_word16le(fp, buf[1]);
if (!ret) return ret;
return true;
}
bool fwrite_word16be(FILE* fp, uint16_t x) {
uint8_t buf[2];
buf[1] = x & 0xff;
buf[0] = (x >> 8) & 0xff;
int r = fwrite(buf, 1, 2, fp);
if (r != 2) return false;
return true;
}
bool fwrite_word32be(FILE* fp, uint32_t x) {
bool ret = false;
uint16_t buf[2];
buf[1] = x & 0xffff;
buf[0] = (x >> 16) & 0xffff;
ret = fwrite_word16be(fp, buf[0]);
if (!ret) return ret;
ret = fwrite_word16be(fp, buf[1]);
if (!ret) return ret;
return true;
}
bool fwrite_word24le(FILE* fp, uint32_t x) {
uint8_t buf[3];
buf[0] = x & 0xff;
buf[1] = (x >> 8) & 0xff;
buf[2] = (x >> 16) & 0xff;
int r = fwrite(buf, 1, 3, fp);
if (r != 3) return false;
return true;
}
bool fwrite_word24be(FILE* fp, uint32_t x) {
uint8_t buf[3];
buf[2] = x & 0xff;
buf[1] = (x >> 8) & 0xff;
buf[0] = (x >> 16) & 0xff;
int r = fwrite(buf, 1, 3, fp);
if (r != 3) return false;
return true;
}
bool fwrite_char(FILE* fp, uint8_t x) {
uint8_t buf[1];
buf[0] = x;
int ret = fwrite(buf, 1, 1, fp);
return ret == 1;
}
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