int main(int argc, char *argv[]) /* main program */
{
int x, retval = 1; /* counters, etc. */
off_t val, len; /* len need to be off_t*/
windows = (WINS *) calloc(1, sizeof(WINS)); /* malloc windows */
head = llalloc(); /* malloc list space */
fpINfilename = NULL; /* allocate in and */
fpOUTfilename = NULL; /* out file name ptrs */
printHex = TRUE; /* address format */
USE_EBCDIC = FALSE; /*use ascii by default*/
/* get cmd line args */
len = parseArgs(argc, argv);
MIN_ADDR_LENGTH = getMinimumAddressLength(len);
use_env(TRUE); /* use env values */
slk_init(0); /* init menu bar */
init_screen(); /* init visuals */
init_colors();
if ((COLS < MIN_COLS) || (LINES < MIN_LINES)) /* screen's too small */
{
endwin();
fprintf(stderr,"\n\nThe screen size too small.\nThe minimum allowable");
fprintf(stderr," screen size is %dx%d\n\n", MIN_COLS, MIN_LINES + 1);
exit(-1);
}
slk_set(6, (printHex) ? "Hex Addr":"Dec Addr", 1);
init_fkeys(); /* define menu bar */
while (retval)
{
free_windows(windows);
/* calculate screen */
BASE = (resize > 0 && resize < COLS) ? resize:((COLS-6-MIN_ADDR_LENGTH)/4);
MAXY = (LINES) - 3;
hex_win_width = BASE * 3;
ascii_win_width = BASE;
hex_outline_width = (BASE * 3) + 3 + MIN_ADDR_LENGTH;
ascii_outline_width = BASE + 2;
init_menu(windows); /* init windows */
head = freeList(head); /* free & init head */
/* print origin loc */
mvwprintw(windows->hex_outline, 0, 1, "%0*d", MIN_ADDR_LENGTH, 0);
if (fpIN != NULL) /* if no infile... */
{
len = maxLoc(fpIN); /* get last file loc */
val = maxLines(len); /* max file lines */
for (x = 0; x <= MAXY && x<=val; x++) /* output lines */
outline(fpIN, x);
}
wmove(windows->hex, 0, 0); /* cursor to origin */
refreshall(windows); /* refresh all wins */
doupdate(); /* update screen */
mvwaddch(windows->scrollbar, 1, 0, ACS_CKBOARD);/* clear scroller */
/* get user input */
retval = wacceptch(windows, len);
}
free(fpINfilename);
free(fpOUTfilename);
freeList(head);
screen_exit(0); /* end visualizations */
return retval; /* return */
}
/******************************************************\
* Description: Determines the screen size of the the *
* terminal and prompts for the user to *
* change the screen. *
\******************************************************/
RETSIGTYPE checkScreenSize(int sig)
{
int count;
/* Avoid unused variable warning */
UNUSED(sig);
clearScreen(windows);
endwin();
init_screen(); /* init visuals */
slk_clear(); /* init menu bar */
slk_restore(); /* restore bottom menu*/
slk_noutrefresh();
doupdate();
/* recacl these values*/
BASE = (COLS - 6 - MIN_ADDR_LENGTH) / 4; /*base for the number */
hex_outline_width = (BASE * 3) + 3 + MIN_ADDR_LENGTH;
MAXY = LINES - 3;
hex_win_width = BASE * 3;
ascii_outline_width = BASE + 2;
ascii_win_width = BASE;
maxlines = maxLines((fpIN != NULL) ? maxLoc(fpIN) : 0);
currentLine = 0;
SIZE_CH = TRUE;
/* check for term size*/
if ((COLS < MIN_COLS) || (LINES < MIN_LINES))
{
/*
endwin();
printf("\n\n\n\nscreen size too small\n");
exit(0);
*/
init_fkeys(); /* define menu bar */
init_menu(windows); /* init windows */
clearScreen(windows);
slk_clear();
mvwprintw(windows->hex, 0, 0, "Your screen is too small");
/*mvwprintw(windows->hex, 1, 2, "Resize it to continue");*/
refreshall(windows);
doupdate();
}
else
{
init_fkeys(); /* define menu bar */
init_menu(windows); /* init windows */
wmove(windows->hex,0,0);
if (fpIN) /* if a file is open */
{
for (count = 0; count <= MAXY && count <= maxLines(maxLoc(fpIN));
count++)
outline(fpIN, count);
mvwprintw(windows->cur_address, 0, 0, "%0*d", MIN_ADDR_LENGTH, 0);
wmove(windows->hex,0,0);
}
refreshall(windows);
wnoutrefresh(windows->cur_address);
/* this next refresh is to put the cursor in the correct window */
wnoutrefresh(windows->hex);
doupdate();
}
}
