Code:
/*
Aug 27, 2017
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
enum
{
T, TH , TV ,THV, RT ,RTH ,RTV ,RTHV ,FLIP_IMAGES , BUTT
};
enum
{
FD , FH , FV , RFD , RFH , RFV , BUTT2
};
// leading r is for resize
char *tile_opts[] =
{
[T] = "n",
[TH] = "h",
[TV] = "v",
[THV] = "hv",
[RT] = "rt",
[RTH] = "rh",
[RTV] = "rv",
[RTHV] ="rhv",
//[FLIP_IMAGES] = "fi",
[BUTT] = NULL
};
char *flip_opts [] =
{
[FD] = "d",
[FH] = "h",
[FV] = "v",
[RFD] = "rd",
[RFH] = "rh",
[RFV] = "rv",
[BUTT2] = NULL
};
void mh_parse_options_array(int argc, char **argv)
{
int oc = 0;
int option_index = 0;
char *subopts;
char *value;
extern char *optarg;
extern int optind;
static char string_options [] = "FfCc:t:s:d:a:";
// no_argument 0
// required_argument 1 (‘:’) to indicate that it takes a required argument
// optional_argument 2 (‘::’), its argument is optional
static struct option long_options[] = {
// a b c d e f g h i j k l m n o p q r s t u v w x y z
{"fullscreen", 0, 0, 'f'},
{"fill", 0 , 0, 'F'},
{"center", 0 ,0,'C'},
{"resize-center", 1, 0, 'c'},
{"solid", 1,0,'s'},
{"distance",1,0,'d'},
{"angle",1,0,'a'},
{"tile",1, 0, 't'},
{"add",1,0,200},
{"rf",0,0,201}, // random files
{"fi",1,0,202}, // flip Image fi
{0,0,0,0}
}; // end options
while (( oc = getopt_long_only(argc, argv, string_options, long_options,&option_index) ) != -1)
switch (oc)
{
case 'f':
printf("Full screen\n");
break;
case 'F':
printf("Fill screen\n");
break;
case 'C':
printf("Center Screen\n");
break;
case 'c':
printf("resize center screen: Size %s\n", optarg);
break;
case 'd':
printf("distance %s\n", optarg);
break;
case 'a':
printf("angle %s\n", optarg);
break;
case 's':
printf("solid: color %s \n", optarg);
break;
case 200:
printf("add (2) colors C = %s\n", optarg);
break;
case 201:
printf("Random files\n");
break;
case '?':
printf("What did you forget? Think about it.\n");
exit(1);
break;
case 't': // sub opts one
printf("in tile\n");
subopts = optarg;
while (*subopts != '\0')
switch (getsubopt (&subopts, tile_opts, &value))
{
case T:
printf("Tile subopts mode\n");
break;
case TH:
printf("tile hor subopts mode\n");
break;
case TV:
printf("tile vert subopts mode \n");
break;
case THV:
printf("Tile Hor vert subopt mode\n");
break;
case RT:
printf("RTILE: image_size %s\n",value);
break;
case RTH:
printf("Resize tile Hor: image_size %s\n", value);
break;
case RTV:
printf(" Resize TIle Vert\n");
break;
case RTHV:
printf("resize tile hor %s value\n", value);
break;
default: // UNCOMMENTED THIS DEFAULT BREAK
printf("default setopts one\n");
break;
} // end first sub opts.
break; // ADDED BREAK HERE
case 202: // taken from main switch long opts
// second subopts fi
printf("Case FI %s\n",optarg);
subopts = optarg;
while (*subopts != '\0')
switch (getsubopt (&subopts, flip_opts, &value))
{
case FD:
printf("flipD\n");
break;
case FH:
printf("flipH\n");
break;
case FV:
printf("flipV \n");
break;
case RFD:
if (value == NULL)
{
printf("bad value %s\n", value);
exit(1);
}
else
{
printf("resize flipsd %s\n", value);
}
break;
case RFH:
if(value == NULL)
{
printf("bad value %s\n", value);
exit(1);
}
else
{
printf("resize flipH %s\n",value);
}
break;
case RFV:
if(value == NULL)
{
printf("bad value %s\n", value);
exit(1);
}
else
{
printf("resizeflipd V %s\n",value);
}
break;
default:
//Second suboption.
printf ("Unknown suboption `%s'\n", value);
break;
} // end second switch subopts
break; // ADDED BREAK HERE
default:
printf("Default main switch\n");
break;
} // end main switch
//printf("optind %d, argc %d\n", optind, argc);
if(optind == argc)
{
printf("if(optind == argc)%s \n", argv[optind]);
}
if (optind < argc)
{
printf( " loading image path if ( optind < argc) %s argv[argc]\n", argv[optind]);
for(; optind < argc ; optind++)
{
printf("getting files\n");
}
optind = 0;
}
} //end function
void check_options(void)
{
printf("check_options\n");
}
int main (int argc, char **argv )
{
mh_parse_options_array(argc, argv);
return 0;
}
It's jumping out of the loop now and giving me the proper responses. 
Originally Posted by userxbw
