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fiptool: Invoke command specific usage function 

Instead of always calling the top level usage function when an
error is detected, call the command-specific usage function.

For example running `fiptool create` will produce the same output
as `fiptool help create`.  This is more convenient for the user
when they make a mistake.

Change-Id: I60178ab89d47adf93cdfe6d8b5d5f778a5ea3bca
This commit is contained in:
dp-arm 2016-09-15 09:58:50 +01:00
parent 77b0532392
commit 85ee277868
1 changed files with 20 additions and 16 deletions
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36
tools/fiptool/fiptool.c
View File

@ -363,7 +363,7 @@ static int info_cmd(int argc, char *argv[])
int i;
if (argc != 2)
usage();
info_usage();
argc--, argv++;
parse_fip(argv[0], &toc_header);
@ -405,6 +405,7 @@ static int info_cmd(int argc, char *argv[])
static void info_usage(void)
{
printf("fiptool info FIP_FILENAME\n");
exit(1);
}
static int pack_images(char *filename, uint64_t toc_flags)
@ -538,7 +539,7 @@ static int create_cmd(int argc, char *argv[])
int i;
if (argc < 2)
usage();
create_usage();
i = fill_common_opts(opts, required_argument);
add_opt(opts, i, "plat-toc-flags", required_argument,
@ -567,14 +568,14 @@ static int create_cmd(int argc, char *argv[])
parse_plat_toc_flags(optarg, &toc_flags);
break;
default:
usage();
create_usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
create_usage();
update_fip();
@ -595,6 +596,7 @@ static void create_usage(void)
for (; toc_entry->cmdline_name != NULL; toc_entry++)
printf(" --%-16s FILENAME\t%s\n", toc_entry->cmdline_name,
toc_entry->name);
exit(1);
}
static int update_cmd(int argc, char *argv[])
@ -607,7 +609,7 @@ static int update_cmd(int argc, char *argv[])
int i;
if (argc < 2)
usage();
update_usage();
i = fill_common_opts(opts, required_argument);
add_opt(opts, i, "out", required_argument, 'o');
@ -642,14 +644,14 @@ static int update_cmd(int argc, char *argv[])
snprintf(outfile, sizeof(outfile), "%s", optarg);
break;
default:
usage();
update_usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
update_usage();
if (outfile[0] == '\0')
snprintf(outfile, sizeof(outfile), "%s", argv[0]);
@ -682,6 +684,7 @@ static void update_usage(void)
for (; toc_entry->cmdline_name != NULL; toc_entry++)
printf(" --%-16s FILENAME\t%s\n", toc_entry->cmdline_name,
toc_entry->name);
exit(1);
}
static int unpack_cmd(int argc, char *argv[])
@ -694,7 +697,7 @@ static int unpack_cmd(int argc, char *argv[])
int i;
if (argc < 2)
usage();
unpack_usage();
i = fill_common_opts(opts, required_argument);
add_opt(opts, i, "force", no_argument, 'f');
@ -724,14 +727,14 @@ static int unpack_cmd(int argc, char *argv[])
snprintf(outdir, sizeof(outdir), "%s", optarg);
break;
default:
usage();
unpack_usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
unpack_usage();
parse_fip(argv[0], NULL);
@ -806,6 +809,7 @@ static void unpack_usage(void)
toc_entry->name);
fputc('\n', stderr);
printf("If no options are provided, all images will be unpacked.\n");
exit(1);
}
static int remove_cmd(int argc, char *argv[])
@ -818,7 +822,7 @@ static int remove_cmd(int argc, char *argv[])
int i;
if (argc < 2)
usage();
remove_usage();
i = fill_common_opts(opts, no_argument);
add_opt(opts, i, "force", no_argument, 'f');
@ -844,14 +848,14 @@ static int remove_cmd(int argc, char *argv[])
snprintf(outfile, sizeof(outfile), "%s", optarg);
break;
default:
usage();
remove_usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
remove_usage();
if (outfile[0] != '\0' && access(outfile, F_OK) == 0 && !fflag)
log_errx("File %s already exists, use --force to overwrite it",
@ -896,6 +900,7 @@ static void remove_usage(void)
for (; toc_entry->cmdline_name != NULL; toc_entry++)
printf(" --%-16s\t%s\n", toc_entry->cmdline_name,
toc_entry->name);
exit(1);
}
static int version_cmd(int argc, char *argv[])
@ -912,6 +917,7 @@ static int version_cmd(int argc, char *argv[])
static void version_usage(void)
{
printf("fiptool version\n");
exit(1);
}
static int help_cmd(int argc, char *argv[])
@ -924,10 +930,8 @@ static int help_cmd(int argc, char *argv[])
for (i = 0; i < NELEM(cmds); i++) {
if (strcmp(cmds[i].name, argv[0]) == 0 &&
cmds[i].usage != NULL) {
cmds[i].usage != NULL)
cmds[i].usage();
break;
}
}
if (i == NELEM(cmds))
printf("No help for subcommand '%s'\n", argv[0]);