Function loadFile_orDie

freebsd/contrib/zstd/examples/common.h:180–193

! loadFile_orDie() : * load file into buffer (memory). * * Note: This function will send an error to stderr and exit if it * cannot read data from the given file path. * * @return If successful this function will load file into buffer and * return file size, otherwise it will printout an error to stderr and exit. */

 * return file size, otherwise it will printout an error to stderr and exit.
 */
static size_t loadFile_orDie(const char* fileName, void* buffer, size_t bufferSize)
{
    size_t const fileSize = fsize_orDie(fileName);
    CHECK(fileSize <= bufferSize, "File too large!");

    FILE* const inFile = fopen_orDie(fileName, "rb");
    size_t const readSize = fread(buffer, 1, fileSize, inFile);
    if (readSize != (size_t)fileSize) {
        fprintf(stderr, "fread: %s : %s \n", fileName, strerror(errno));
        exit(ERROR_fread);
    }
    fclose(inFile);  /* can't fail, read only */
    return fileSize;
}

/*! mallocAndLoadFile_orDie() :
 * allocate memory buffer and then load file into it.