Function lodepng_buffer_file

depends/lodepng/lodepng.cpp:365–376

load file into buffer that already has the correct allocated size. Returns error code.*/

/* load file into buffer that already has the correct allocated size. Returns error code.*/
static unsigned lodepng_buffer_file(unsigned char* out, size_t size, const char* filename) {
  FILE* file;
  size_t readsize;
  file = fopen(filename, "rb");
  if(!file) return 78;

  readsize = fread(out, 1, size, file);
  fclose(file);

  if(readsize != size) return 78;
  return 0;
}

unsigned lodepng_load_file(unsigned char** out, size_t* outsize, const char* filename) {
  long size = lodepng_filesize(filename);