5 uint16_t read_uint16_bigendian(FILE * file) {
6 // Read uint16 from file in big-endian order.
7 const uint16_t nchar = UCHAR_MAX + 1;
8 unsigned char a = fgetc(file);
9 unsigned char b = fgetc(file);
10 return (a * nchar) + b; }
12 void write_uint16_bigendian(uint16_t x, FILE * file) {
13 // Write uint16 to file in beg-endian order.
14 const uint16_t nchar = UCHAR_MAX + 1;
15 unsigned char a = x / nchar;
16 unsigned char b = x % nchar;
20 uint32_t read_uint32_bigendian(FILE * file) {
21 // Read uint32 from file in big-endian order.
22 const uint16_t nchar = UCHAR_MAX + 1;
23 unsigned char a = fgetc(file);
24 unsigned char b = fgetc(file);
25 unsigned char c = fgetc(file);
26 unsigned char d = fgetc(file);
27 return (a * nchar * nchar * nchar) + (b * nchar * nchar) + (c * nchar) + d; }
29 void write_uint32_bigendian(uint32_t x, FILE * file) {
30 // Write uint32 to file in beg-endian order.
31 const uint16_t nchar = UCHAR_MAX + 1;
32 unsigned char a = x / (nchar * nchar * nchar);
33 unsigned char b = (x - (a * nchar * nchar * nchar)) / (nchar * nchar);
34 unsigned char c = (x - ((a * nchar * nchar * nchar) + (b * nchar * nchar))) / nchar;
35 unsigned char d = x % nchar;