/*
** initialize the global tolerance
** should be called only once at the beginning of the program
*/
void
T_initdefault()
{
static int called_before = 0;
if (called_before)
{
Z_fatal("T_initdefault called more than once\n");
}
/*
** if the default tolerance was set somewhere else
** don't set it here
*/
if (T_isnull(_T_gtol))
{
T_defatol(_T_ADEF);
T_defrtol(_T_RDEF);
}
called_before = 1;
}
static void
_Y_doargs(int argc, char **argv, char **file1, char **file2, int *max_d)
{
char *ptr;
/*
** mark maximum number of tokens as being unset
*/
*max_d = -1;
while (argc > 1 && argv[1][0] == '-') {
switch (argv[1][1]) {
case 't':
_Y_flags |= U_TOKENS;
break;
case 'w':
_Y_flags |= U_INCLUDE_WS;
break;
case 'b':
_Y_flags |= U_BYTE_COMPARE;
break;
case 'c':
_Y_flags |= U_NO_CASE;
break;
case 'd':
_Y_flags |= U_NEED_DECIMAL;
break;
case 'm':
_Y_flags |= U_INC_SIGN;
break;
case 'a':
SETPTR;
T_defatol(ptr);
break;
case 'r':
SETPTR;
T_defrtol(ptr);
break;
case 'i':
T_defitol();
break;
case 'e':
_Y_eflag = 1;
break;
case 'v':
_Y_vflag = 1;
break;
case 'q':
Z_setquiet();
break;
case 's':
SETPTR;
_Y_cmdlines(ptr);
break;
case 'f':
{
extern FILE *fopen(const char *, const char *);
char buf[Z_LINELEN];
FILE *cmdfile;
SETPTR;
if ((FILE *) NULL == (cmdfile = fopen(ptr, "r"))) {
Z_fatal("can't open command file\n");
}
while ((char *) NULL !=
(char *) fgets(buf, Z_LINELEN, cmdfile)) {
C_addcmd(buf);
}
(void) fclose(cmdfile);
break;
}
/*
** useful commands for
** the C programming language
*/
case 'C':
C_addcmd("literal \" \" \\ ");
C_addcmd("comment /* */ ");
C_addcmd("literal && ");
C_addcmd("literal || ");
C_addcmd("literal <= ");
C_addcmd("literal >= ");
C_addcmd("literal != ");
C_addcmd("literal == ");
C_addcmd("literal -- ");
C_addcmd("literal ++ ");
C_addcmd("literal << ");
C_addcmd("literal >> ");
C_addcmd("literal -> ");
C_addcmd("addalpha _ ");
C_addcmd("tol a0 ");
break;
/*
** useful commands for
** the Bourne shell programming language
*/
case 'S':
C_addcmd("literal ' ' \\ ");
C_addcmd("comment # $ ");
C_addcmd("tol a0 ");
break;
/*
** useful commands for
** the Fortran programming language
*/
case 'F':
C_addcmd("literal ' ' ' ");
C_addcmd("comment ^C $ ");
C_addcmd("tol a0 ");
break;
/*
** useful commands for
** the Lisp programming language
*/
case 'L':
C_addcmd("literal \" \" ");
C_addcmd("comment ; $ ");
C_addcmd("tol a0 ");
break;
/*
** useful commands for
** the Modula-2 programming language
*/
case 'M':
C_addcmd("literal ' ' ");
C_addcmd("literal \" \" ");
C_addcmd("comment (* *) ");
C_addcmd("literal := ");
C_addcmd("literal <> ");
C_addcmd("literal <= ");
C_addcmd("literal >= ");
C_addcmd("tol a0 ");
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
*max_d = atoi(&argv[1][1]);
break;
default:
Z_fatal("don't understand arguments\n");
}
++argv;
--argc;
}
if (argc != 3)
Z_fatal("spiff requires two file names.\n");
*file1 = argv[1];
*file2 = argv[2];
}