Digital Signal Processing LibraryVoice LabProgram name: write_data Language: C In file: file_lib.c Objective: Write data to file. Usage: int write_data(FILE *out_file, int data, int data_size); Parameters:
Mathematical Description: Comments: Routine is used to write data to file Code: int write_data(FILE *out_file, int data, int data_length) { int count; char c[8]; switch(data_length) { case 1: c[0] = 0xFF & data; count = fwrite(&c, sizeof(char), data_length, out_file); break; case 2: c[0] = 0xFF & data; c[1] = 0xFF & (data >> 8); count = fwrite(&c, sizeof(char), data_length, out_file); break; case 3: c[0] = 0xFF & data; c[1] = 0xFF & (data >> 8); c[2] = 0xFF & (data >> 16); count = fwrite(&c, sizeof(char), data_length, out_file); break; case 4: c[0] = 0xFF & data; c[1] = 0xFF & (data >> 8); c[2] = 0xFF & (data >> 16); c[3] = 0xFF & (data >> 24); count = fwrite(&c, sizeof(char), data_length, out_file); break; default: fprintf(stderr, "Data_length out of range:(%d)! What to do?\n", data_length); exit(1); } return(count); } |
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