#include <stdlib.h>
#include <string.h>
#include <limits.h>
+#include <getopt.h>
#include "commands.h"
#include "utils.h"
#define USAGE_OPTIONS 4U
#define USAGE_LISTING 8U
+static char argv0_buf[ARGV0_BUF_SIZE] = "btrfs";
+
+const char *get_argv0_buf(void)
+{
+ return argv0_buf;
+}
+
+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;
+}
+
+void set_argv0(char **argv)
+{
+ strncpy(argv0_buf, argv[0], sizeof(argv0_buf));
+ argv0_buf[sizeof(argv0_buf) - 1] = 0;
+}
+
+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;
+}
+
+/*
+ * Preprocess @argv with getopt_long to reorder options and consume the "--"
+ * option separator.
+ * Unknown short and long options are reported, optionally the @usage is printed
+ * before exit.
+ */
+void clean_args_no_options(int argc, char *argv[], const char * const *usagestr)
+{
+ static const struct option long_options[] = {
+ {NULL, 0, NULL, 0}
+ };
+
+ while (1) {
+ int c = getopt_long(argc, argv, "", long_options, NULL);
+
+ if (c < 0)
+ break;
+
+ switch (c) {
+ default:
+ if (usagestr)
+ usage(usagestr);
+ }
+ }
+}
+
+/*
+ * Same as clean_args_no_options but pass through arguments that could look
+ * like short options. Eg. reisze which takes a negative resize argument like
+ * '-123M' .
+ *
+ * This accepts only two forms:
+ * - "-- option1 option2 ..."
+ * - "option1 option2 ..."
+ */
+void clean_args_no_options_relaxed(int argc, char *argv[], const char * const *usagestr)
+{
+ if (argc <= 1)
+ return;
+
+ if (strcmp(argv[1], "--") == 0)
+ optind = 2;
+}
+
static int do_usage_one_command(const char * const *usagestr,
unsigned int flags, FILE *outf)
{
#include <sys/vfs.h>
#include <sys/statfs.h>
#include <linux/magic.h>
-#include <getopt.h>
#include <sys/utsname.h>
#include <linux/version.h>
#include "volumes.h"
#include "ioctl.h"
#include "commands.h"
-#include "help.h"
#ifndef BLKDISCARD
#define BLKDISCARD _IO(0x12,119)
static int btrfs_scan_done = 0;
-static char argv0_buf[ARGV0_BUF_SIZE] = "btrfs";
-
static int rand_seed_initlized = 0;
static unsigned short rand_seed[3];
struct btrfs_config bconf;
-const char *get_argv0_buf(void)
-{
- return argv0_buf;
-}
-
-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;
-}
-
-void set_argv0(char **argv)
-{
- strncpy(argv0_buf, argv[0], sizeof(argv0_buf));
- argv0_buf[sizeof(argv0_buf) - 1] = 0;
-}
-
-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;
-}
-
-
/*
* Discard the given range in one go
*/
return 1;
}
-/*
- * Preprocess @argv with getopt_long to reorder options and consume the "--"
- * option separator.
- * Unknown short and long options are reported, optionally the @usage is printed
- * before exit.
- */
-void clean_args_no_options(int argc, char *argv[], const char * const *usagestr)
-{
- static const struct option long_options[] = {
- {NULL, 0, NULL, 0}
- };
-
- while (1) {
- int c = getopt_long(argc, argv, "", long_options, NULL);
-
- if (c < 0)
- break;
-
- switch (c) {
- default:
- if (usagestr)
- usage(usagestr);
- }
- }
-}
-
-/*
- * Same as clean_args_no_options but pass through arguments that could look
- * like short options. Eg. reisze which takes a negative resize argument like
- * '-123M' .
- *
- * This accepts only two forms:
- * - "-- option1 option2 ..."
- * - "option1 option2 ..."
- */
-void clean_args_no_options_relaxed(int argc, char *argv[], const char * const *usagestr)
-{
- if (argc <= 1)
- return;
-
- if (strcmp(argv[1], "--") == 0)
- optind = 2;
-}
-
/* Subvolume helper functions */
/*
* test if name is a correct subvolume name