int main(int argc, char **argv) {
program_name = argv[0];
static struct option long_options[] = {
{"mem", required_argument, NULL, 'm'},
{"size", required_argument, NULL, 's'},
{NULL, 0, NULL, 0}
};
long ram_use = 3072L << 20;
long size = 0; // 1024L << 20;
// Parse command-line options.
int c;
while ((c = getopt_long(argc, argv, "m:", long_options, NULL)) != -1) {
switch(c) {
case 'm':
ram_use = std::atol(optarg) << 20;
if (ram_use <= 0L) {
fprintf(stderr, "Error: invalid RAM limit (%ld)\n\n", ram_use);
usage(EXIT_FAILURE);
}
case 's':
size = std::atol(optarg) << 20;
break;
default:
usage(EXIT_FAILURE);
}
}
if (optind >= argc) {
fprintf(stderr, "Error: FILE not provided\n\n");
usage(EXIT_FAILURE);
}
// Parse the text filename.
std::string text_fname = std::string(argv[optind++]);
if (optind < argc) {
fprintf(stderr, "Warning: multiple input files provided. "
"Only the first will be processed.\n");
}
// Check if input exists.
if (!utils::file_exists(text_fname)) {
fprintf(stderr, "Error: input file (%s) does not exist\n\n",
text_fname.c_str());
usage(EXIT_FAILURE);
}
text_fname = utils::absolute_path(text_fname);
printf("size = %lu\n", size);
long iowrite=0, ioread=0;
SAscan(text_fname, ram_use, size, &iowrite, &ioread);
printf("I/O)\t%lu\n", iowrite+ioread);
printf("read\t%lu\n", ioread);
printf("write\t%lu\n", iowrite);
printf("sizeof(long) = %lu bytes\n", sizeof(long));
}
int main(int argc, char **argv) {
if (argc != 3) {
fprintf(stderr, "usage: %s <file> <mem>\n\n"
"Compute SA of <file> using <mem> MiB of RAM and write to <file>.sa5\n",
argv[0]);
std::exit(EXIT_FAILURE);
}
long ram_use = (long)atoi(argv[2]) << 20;
SAscan(argv[1], ram_use);
}
