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cmd: part: Extract common code to separate function

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Refactor the code for "part start" and "part size" commands to avoid
code duplication.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Sam Protsenko 2018-02-26 23:18:00 +02:00 committed by Tom Rini
parent 36df616a2d
commit 64e6a49a11
1 changed files with 23 additions and 38 deletions
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61
cmd/part.c
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@ -22,6 +22,11 @@
#include <part.h>
#include <vsprintf.h>
enum cmd_part_info {
CMD_PART_INFO_START = 0,
CMD_PART_INFO_SIZE,
};
static int do_part_uuid(int argc, char * const argv[])
{
int part;
@ -108,7 +113,7 @@ static int do_part_list(int argc, char * const argv[])
return 0;
}
static int do_part_start(int argc, char * const argv[])
static int do_part_info(int argc, char * const argv[], enum cmd_part_info param)
{
struct blk_desc *desc;
disk_partition_t info;
@ -138,7 +143,17 @@ static int do_part_start(int argc, char * const argv[])
return 1;
}
snprintf(buf, sizeof(buf), LBAF, info.start);
switch (param) {
case CMD_PART_INFO_START:
snprintf(buf, sizeof(buf), LBAF, info.start);
break;
case CMD_PART_INFO_SIZE:
snprintf(buf, sizeof(buf), LBAF, info.size);
break;
default:
printf("** Unknown cmd_part_info value: %d\n", param);
return 1;
}
if (argc > 3)
env_set(argv[3], buf);
@ -148,44 +163,14 @@ static int do_part_start(int argc, char * const argv[])
return 0;
}
static int do_part_start(int argc, char * const argv[])
{
return do_part_info(argc, argv, CMD_PART_INFO_START);
}
static int do_part_size(int argc, char * const argv[])
{
struct blk_desc *desc;
disk_partition_t info;
char buf[512] = { 0 };
char *endp;
int part;
int err;
int ret;
if (argc < 3)
return CMD_RET_USAGE;
if (argc > 4)
return CMD_RET_USAGE;
ret = blk_get_device_by_str(argv[0], argv[1], &desc);
if (ret < 0)
return 1;
part = simple_strtoul(argv[2], &endp, 0);
if (*endp == '\0') {
err = part_get_info(desc, part, &info);
if (err)
return 1;
} else {
part = part_get_info_by_name(desc, argv[2], &info);
if (part == -1)
return 1;
}
snprintf(buf, sizeof(buf), LBAF, info.size);
if (argc > 3)
env_set(argv[3], buf);
else
printf("%s\n", buf);
return 0;
return do_part_info(argc, argv, CMD_PART_INFO_SIZE);
}
static int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])