mawk/main.c
2013-12-27 01:22:19 -05:00

135 lines
2.6 KiB
C

/********************************************
main.c
copyright 2009-2012,2013 Thomas E. Dickey
copyright 1991-1993,1995, Michael D. Brennan
This is a source file for mawk, an implementation of
the AWK programming language.
Mawk is distributed without warranty under the terms of
the GNU General Public License, version 2, 1991.
********************************************/
/*
* $MawkId: main.c,v 1.29 2013/08/03 13:04:15 tom Exp $
* @Log: main.c,v @
* Revision 1.4 1995/06/09 22:57:19 mike
* parse() no longer returns on error
*
* Revision 1.3 1995/06/06 00:18:32 mike
* change mawk_exit(1) to mawk_exit(2)
*
* Revision 1.2 1993/07/17 00:45:19 mike
* indent
*
* Revision 1.1.1.1 1993/07/03 18:58:16 mike
* move source to cvs
*
* Revision 5.4 1993/02/13 21:57:27 mike
* merge patch3
*
* Revision 5.3 1993/01/07 02:50:33 mike
* relative vs absolute code
*
* Revision 5.2.1.1 1993/01/15 03:33:44 mike
* patch3: safer double to int conversion
*
* Revision 5.2 1992/12/17 02:48:01 mike
* 1.1.2d changes for DOS
*
* Revision 5.1 1991/12/05 07:56:14 brennan
* 1.1 pre-release
*
*/
/* main.c */
#include "mawk.h"
#include "bi_vars.h"
#include "init.h"
#include "code.h"
#include "files.h"
#ifdef LOCALE
#include <locale.h>
#endif
short mawk_state; /* 0 is compiling */
int exit_code;
#if defined(__GNUC__) && defined(_FORTIFY_SOURCE)
int ignore_unused;
#endif
#ifdef LOCALE
char decimal_dot;
#endif
int
main(int argc, char **argv)
{
#ifdef LOCALE
setlocale(LC_CTYPE, "");
setlocale(LC_NUMERIC, "C");
#endif
initialize(argc, argv);
#ifdef LOCALE
{
struct lconv *data;
decimal_dot = '\0'; /* only set to nonzero if not POSIX '.' */
setlocale(LC_NUMERIC, "");
data = localeconv();
if (data != 0
&& data->decimal_point != 0
&& strlen(data->decimal_point) == 1) {
decimal_dot = data->decimal_point[0];
} else {
/* back out of this if we cannot handle it */
setlocale(LC_NUMERIC, "C");
}
if (decimal_dot == '.')
decimal_dot = 0;
}
#endif
parse();
mawk_state = EXECUTION;
execute(execution_start, eval_stack - 1, 0);
/* never returns */
return 0;
}
void
mawk_exit(int x)
{
#ifdef HAVE_REAL_PIPES
close_out_pipes(); /* no effect, if no out pipes */
#else
#ifdef HAVE_FAKE_PIPES
close_fake_pipes();
#endif
#endif
#ifdef NO_LEAKS
code_leaks();
scan_leaks();
cell_leaks();
re_leaks();
rexp_leaks();
bi_vars_leaks();
hash_leaks();
array_leaks();
files_leaks();
fin_leaks();
field_leaks();
zmalloc_leaks();
#if OPT_TRACE > 0
trace_leaks();
#endif
#endif
exit(x);
}