diff options
Diffstat (limited to 'options.c')
| -rw-r--r-- | options.c | 104 |
1 files changed, 52 insertions, 52 deletions
@@ -1,85 +1,85 @@ +#include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <errno.h> #include <unistd.h> #include "options.h" #include "print.h" -#define OPTIONS_DEFAULT_SECTOR_SIZE 512 -#define OPTIONS_DEFAULT_BUFFER_SIZE (4 * 1024 * 1024) +#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); +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_parse(int argc, char **argv, options_t *const opts) { options_init(opts); int ch; - char * arg_sector_size = NULL; - char * arg_buffer_size = NULL; + 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; - } + 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; + return 0; } else if (argc < 2) { - print_error("missing arguments"); - return 1; + print_error("missing arguments"); + return 1; } else if (argc > 3) { - print_error("too many arguments"); - return 1; + 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; + 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; + 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; + print_error("sector size cannot be 0"); + return 1; } else if (opts->buffer_size == 0) { - print_error("buffer size cannot be 0"); - return 1; + 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; + 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; + print_error("buffer size is not multiple of sector size"); + return 1; } /* Pick the file paths */ @@ -87,14 +87,14 @@ options_parse(int argc, char ** argv, options_t * const opts) 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]; + opts->in_file_path = argv[last_path_index]; } return 0; } void -options_init(options_t * const opts) +options_init(options_t *const opts) { opts->help = false; opts->sector_size = OPTIONS_DEFAULT_SECTOR_SIZE; @@ -106,9 +106,9 @@ options_init(options_t * const opts) } int -options_parse_unsigned(const char * const arg, uint32_t * const value) +options_parse_unsigned(const char *const arg, uint32_t *const value) { - char * end; + char *end; errno = 0; |