qemu-img: pass current cmd info into command handlers

This info will be used to generate --help output.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250531171609.197078-5-mjt@tls.msk.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/qemu-img.c b/qemu-img.c
index 2b46c952bd998f505b686b52eb1099fa8ca0876a..a41483735529d350c7d5b064370dd4df9d36892d 100644 (file)
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -60,7 +60,7 @@
 
 typedef struct img_cmd_t {
     const char *name;
-    int (*handler)(int argc, char **argv);
+    int (*handler)(const struct img_cmd_t *ccmd, int argc, char **argv);
 } img_cmd_t;
 
 enum {
@@ -514,7 +514,7 @@ static int64_t cvtnum(const char *name, const char *value)
     return cvtnum_full(name, value, 0, INT64_MAX);
 }
 
-static int img_create(int argc, char **argv)
+static int img_create(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int c;
     int64_t img_size = -1;
@@ -719,7 +719,7 @@ static int collect_image_check(BlockDriverState *bs,
  *  3 - Check completed, image has leaked clusters, but is good otherwise
  * 63 - Checks are not supported by the image format
  */
-static int img_check(int argc, char **argv)
+static int img_check(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int c, ret;
     OutputFormat output_format = OFORMAT_HUMAN;
@@ -951,7 +951,7 @@ static void run_block_job(BlockJob *job, Error **errp)
     }
 }
 
-static int img_commit(int argc, char **argv)
+static int img_commit(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int c, ret, flags;
     const char *filename, *fmt, *cache, *base;
@@ -1358,7 +1358,7 @@ static int check_empty_sectors(BlockBackend *blk, int64_t offset,
  * 1 - Images differ
  * >1 - Error occurred
  */
-static int img_compare(int argc, char **argv)
+static int img_compare(const img_cmd_t *ccmd, int argc, char **argv)
 {
     const char *fmt1 = NULL, *fmt2 = NULL, *cache, *filename1, *filename2;
     BlockBackend *blk1, *blk2;
@@ -2234,7 +2234,7 @@ static void set_rate_limit(BlockBackend *blk, int64_t rate_limit)
     blk_set_io_limits(blk, &cfg);
 }
 
-static int img_convert(int argc, char **argv)
+static int img_convert(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int c, bs_i, flags, src_flags = BDRV_O_NO_SHARE;
     const char *fmt = NULL, *out_fmt = NULL, *cache = "unsafe",
@@ -3002,7 +3002,7 @@ err:
     return NULL;
 }
 
-static int img_info(int argc, char **argv)
+static int img_info(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int c;
     OutputFormat output_format = OFORMAT_HUMAN;
@@ -3227,7 +3227,7 @@ static inline bool entry_mergeable(const MapEntry *curr, const MapEntry *next)
     return true;
 }
 
-static int img_map(int argc, char **argv)
+static int img_map(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int c;
     OutputFormat output_format = OFORMAT_HUMAN;
@@ -3376,7 +3376,7 @@ out:
 #define SNAPSHOT_APPLY  3
 #define SNAPSHOT_DELETE 4
 
-static int img_snapshot(int argc, char **argv)
+static int img_snapshot(const img_cmd_t *ccmd, int argc, char **argv)
 {
     BlockBackend *blk;
     BlockDriverState *bs;
@@ -3536,7 +3536,7 @@ static int img_snapshot(int argc, char **argv)
     return 0;
 }
 
-static int img_rebase(int argc, char **argv)
+static int img_rebase(const img_cmd_t *ccmd, int argc, char **argv)
 {
     BlockBackend *blk = NULL, *blk_old_backing = NULL, *blk_new_backing = NULL;
     uint8_t *buf_old = NULL;
@@ -4030,7 +4030,7 @@ out:
     return 0;
 }
 
-static int img_resize(int argc, char **argv)
+static int img_resize(const img_cmd_t *ccmd, int argc, char **argv)
 {
     Error *err = NULL;
     int c, ret, relative;
@@ -4243,7 +4243,7 @@ static int print_amend_option_help(const char *format)
     return 0;
 }
 
-static int img_amend(int argc, char **argv)
+static int img_amend(const img_cmd_t *ccmd, int argc, char **argv)
 {
     Error *err = NULL;
     int c, ret = 0;
@@ -4511,7 +4511,7 @@ static void bench_cb(void *opaque, int ret)
     }
 }
 
-static int img_bench(int argc, char **argv)
+static int img_bench(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int c, ret = 0;
     const char *fmt = NULL, *filename;
@@ -4781,7 +4781,7 @@ typedef struct ImgBitmapAction {
     QSIMPLEQ_ENTRY(ImgBitmapAction) next;
 } ImgBitmapAction;
 
-static int img_bitmap(int argc, char **argv)
+static int img_bitmap(const img_cmd_t *ccmd, int argc, char **argv)
 {
     Error *err = NULL;
     int c, ret = 1;
@@ -5081,7 +5081,7 @@ static int img_dd_skip(const char *arg,
     return 0;
 }
 
-static int img_dd(int argc, char **argv)
+static int img_dd(const img_cmd_t *ccmd, int argc, char **argv)
 {
     int ret = 0;
     char *arg = NULL;
@@ -5349,7 +5349,7 @@ static void dump_json_block_measure_info(BlockMeasureInfo *info)
     g_string_free(str, true);
 }
 
-static int img_measure(int argc, char **argv)
+static int img_measure(const img_cmd_t *ccmd, int argc, char **argv)
 {
     static const struct option long_options[] = {
         {"help", no_argument, 0, 'h'},
@@ -5616,7 +5616,7 @@ int main(int argc, char **argv)
             argc -= optind;
             qemu_reset_optind();
             argv[0] = argv0;
-            return cmd->handler(argc, argv);
+            return cmd->handler(cmd, argc, argv);
         }
     }