1 files changed, 0 insertions, 118 deletions
diff --git a/options.c b/options.c
deleted file mode 100644
index 2017ba5..0000000
--- a/options.c
+++ /dev/null
@@ -1,118 +0,0 @@
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "options.h"
-#include "print.h"
-
-#define OPTIONS_DEFAULT_SECTOR_SIZE 512
-#define OPTIONS_DEFAULT_BUFFER_SIZE (4 * 1024 * 1024)
-
-void options_init(options_t *const opts);
-int options_parse_unsigned(const char *const arg, uint32_t *const value);
-
-int
-options_parse(int argc, char **argv, options_t *const opts)
-{
-    options_init(opts);
-
-    int ch;
-    char *arg_sector_size = NULL;
-    char *arg_buffer_size = NULL;
-
-    while ((ch = getopt(argc, argv, ":s:b:h")) != -1) {
-        switch (ch) {
-        case 's':
-            arg_sector_size = optarg;
-            break;
-
-        case 'b':
-            arg_buffer_size = optarg;
-            break;
-
-        case 'h':
-            opts->help = true;
-            break;
-
-        case ':':
-            print_error("missing argument for option '-%c'", optopt);
-            return 1;
-
-        default:
-            print_error("unknown option '-%c'", optopt);
-            return 1;
-        }
-    }
-
-    argc -= optind;
-    argv += optind;
-
-    if (opts->help) {
-        return 0;
-    } else if (argc < 2) {
-        print_error("missing arguments");
-        return 1;
-    } else if (argc > 3) {
-        print_error("too many arguments");
-        return 1;
-    }
-
-    /* Convert numbers in the arguments */
-    if ((arg_sector_size != NULL) &&
-        options_parse_unsigned(arg_sector_size, &(opts->sector_size))) {
-        print_error("incorrect sector size");
-        return 1;
-    } else if ((arg_buffer_size != NULL) &&
-               options_parse_unsigned(arg_buffer_size, &(opts->buffer_size))) {
-        print_error("incorrect buffer size");
-        return 1;
-    } else if (opts->sector_size == 0) {
-        print_error("sector size cannot be 0");
-        return 1;
-    } else if (opts->buffer_size == 0) {
-        print_error("buffer size cannot be 0");
-        return 1;
-    } else if (opts->sector_size > opts->buffer_size) {
-        print_error("sector size cannot larger than buffer size");
-        return 1;
-    } else if ((opts->buffer_size % opts->sector_size) != 0) {
-        print_error("buffer size is not multiple of sector size");
-        return 1;
-    }
-
-    /* Pick the file paths */
-    int last_path_index = argc - 1;
-    opts->out_file_path = argv[last_path_index--];
-    opts->ref_file_path = argv[last_path_index--];
-    if (last_path_index >= 0) {
-        opts->in_file_path = argv[last_path_index];
-    }
-
-    return 0;
-}
-
-void
-options_init(options_t *const opts)
-{
-    opts->help = false;
-    opts->sector_size = OPTIONS_DEFAULT_SECTOR_SIZE;
-    opts->buffer_size = OPTIONS_DEFAULT_BUFFER_SIZE;
-
-    opts->in_file_path = NULL;
-    opts->ref_file_path = NULL;
-    opts->out_file_path = NULL;
-}
-
-int
-options_parse_unsigned(const char *const arg, uint32_t *const value)
-{
-    char *end;
-
-    errno = 0;
-
-    *value = strtoul(arg, &end, 0);
-
-    return ((*end != '\0') || (errno != 0)) ? -1 : 0;
-}