* Boston, MA 021110-1307, USA.
*/
-#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "crc32c.h"
#include "commands.h"
-#include "version.h"
+#include "utils.h"
static const char * const btrfs_cmd_group_usage[] = {
"btrfs [--help] [--version] <group> [<group>...] <command> [<args>]",
static const char btrfs_cmd_group_info[] =
"Use --help as an argument for information on a specific group or command.";
-static char argv0_buf[ARGV0_BUF_SIZE] = "btrfs";
-
static inline const char *skip_prefix(const char *str, const char *prefix)
{
size_t len = strlen(prefix);
}
}
-static void fixup_argv0(char **argv, const char *token)
-{
- int len = strlen(argv0_buf);
-
- snprintf(argv0_buf + len, sizeof(argv0_buf) - len, " %s", token);
- argv[0] = argv0_buf;
-}
-
int handle_command_group(const struct cmd_group *grp, int argc,
char **argv)
return cmd->fn(argc, argv);
}
-int check_argc_exact(int nargs, int expected)
-{
- if (nargs < expected)
- fprintf(stderr, "%s: too few arguments\n", argv0_buf);
- if (nargs > expected)
- fprintf(stderr, "%s: too many arguments\n", argv0_buf);
-
- return nargs != expected;
-}
-
-int check_argc_min(int nargs, int expected)
-{
- if (nargs < expected) {
- fprintf(stderr, "%s: too few arguments\n", argv0_buf);
- return 1;
- }
-
- return 0;
-}
-
-int check_argc_max(int nargs, int expected)
-{
- if (nargs > expected) {
- fprintf(stderr, "%s: too many arguments\n", argv0_buf);
- return 1;
- }
-
- return 0;
-}
-
static const struct cmd_group btrfs_cmd_group;
static const char * const cmd_help_usage[] = {
static int cmd_version(int argc, char **argv)
{
- printf("%s\n", BTRFS_BUILD_VERSION);
+ printf("%s\n", PACKAGE_STRING);
return 0;
}
-static int handle_options(int *argc, char ***argv)
+static void handle_options(int *argc, char ***argv)
{
- char **orig_argv = *argv;
-
- while (*argc > 0) {
+ if (*argc > 0) {
const char *arg = (*argv)[0];
- if (arg[0] != '-')
- break;
-
- if (!strcmp(arg, "--help")) {
- break;
- } else if (!strcmp(arg, "--version")) {
- break;
- } else {
- fprintf(stderr, "Unknown option: %s\n", arg);
- fprintf(stderr, "usage: %s\n",
- btrfs_cmd_group.usagestr[0]);
- exit(129);
- }
-
- (*argv)++;
- (*argc)--;
+ if (arg[0] != '-' ||
+ !strcmp(arg, "--help") ||
+ !strcmp(arg, "--version"))
+ return;
+ fprintf(stderr, "Unknown option: %s\n", arg);
+ fprintf(stderr, "usage: %s\n",
+ btrfs_cmd_group.usagestr[0]);
+ exit(129);
}
-
- return (*argv) - orig_argv;
+ return;
}
static const struct cmd_group btrfs_cmd_group = {