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mkimage: Move argument processing into its own function 

At present main() is very long. Split out the argument processing to make
it easier to follow.

Signed-off-by: Simon Glass <sjg@chromium.org>
utp
Simon Glass 2016-02-22 22:55:33 -07:00 committed by Tom Rini
parent fd1000b9c1
commit 0b443dee6b
1 changed files with 32 additions and 24 deletions
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56
tools/mkimage.c
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@ -67,18 +67,9 @@ static void show_image_types(void)
fprintf(stderr, "\n");
}
int main(int argc, char **argv)
static void process_args(int argc, char **argv)
{
int ifd = -1;
struct stat sbuf;
char *ptr;
int retval = 0;
struct image_type_params *tparams = NULL;
int pad_len = 0;
int dfd;
params.cmdname = *argv;
params.addr = params.ep = 0;
while (--argc > 0 && **++argv == '-') {
while (*++*argv) {
@ -90,7 +81,7 @@ int main(int argc, char **argv)
if ((--argc <= 0) ||
(params.arch =
genimg_get_arch_id (*++argv)) < 0)
usage ();
usage();
goto NXTARG;
case 'c':
if (--argc <= 0)
@ -101,11 +92,11 @@ int main(int argc, char **argv)
if ((--argc <= 0) ||
(params.comp =
genimg_get_comp_id (*++argv)) < 0)
usage ();
usage();
goto NXTARG;
case 'D':
if (--argc <= 0)
usage ();
usage();
params.dtc = *++argv;
goto NXTARG;
@ -113,7 +104,7 @@ int main(int argc, char **argv)
if ((--argc <= 0) ||
(params.os =
genimg_get_os_id (*++argv)) < 0)
usage ();
usage();
goto NXTARG;
case 'T':
params.type = -1;
@ -128,7 +119,7 @@ int main(int argc, char **argv)
goto NXTARG;
case 'a':
if (--argc <= 0)
usage ();
usage();
params.addr = strtoull(*++argv, &ptr, 16);
if (*ptr) {
fprintf (stderr,
@ -139,13 +130,13 @@ int main(int argc, char **argv)
goto NXTARG;
case 'd':
if (--argc <= 0)
usage ();
usage();
params.datafile = *++argv;
params.dflag = 1;
goto NXTARG;
case 'e':
if (--argc <= 0)
usage ();
usage();
params.ep = strtoull(*++argv, &ptr, 16);
if (*ptr) {
fprintf (stderr,
@ -157,7 +148,7 @@ int main(int argc, char **argv)
goto NXTARG;
case 'f':
if (--argc <= 0)
usage ();
usage();
params.datafile = *++argv;
/* no break */
case 'F':
@ -180,7 +171,7 @@ int main(int argc, char **argv)
goto NXTARG;
case 'n':
if (--argc <= 0)
usage ();
usage();
params.imagename = *++argv;
goto NXTARG;
case 'r':
@ -208,14 +199,33 @@ int main(int argc, char **argv)
params.xflag++;
break;
default:
usage ();
usage();
}
}
NXTARG: ;
}
if (argc != 1)
usage ();
usage();
params.imagefile = *argv;
}
int main(int argc, char **argv)
{
int ifd = -1;
struct stat sbuf;
char *ptr;
int retval = 0;
struct image_type_params *tparams = NULL;
int pad_len = 0;
int dfd;
params.cmdname = *argv;
params.addr = 0;
params.ep = 0;
process_args(argc, argv);
/* set tparams as per input type_id */
tparams = imagetool_get_type(params.type);
@ -231,7 +241,7 @@ NXTARG: ;
*/
if (tparams->check_params)
if (tparams->check_params (&params))
usage ();
usage();
if (!params.eflag) {
params.ep = params.addr;
@ -240,8 +250,6 @@ NXTARG: ;
params.ep += tparams->header_size;
}
params.imagefile = *argv;
if (params.fflag){
if (tparams->fflag_handle)
/*