GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/mg/modes.c Lines: 0 70 0.0 %
Date: 2016-12-06 Branches: 0 62 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: modes.c,v 1.20 2015/03/19 21:22:15 bcallah Exp $	*/
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/* This file is in the public domain. */
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/*
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 * Commands to toggle modes.   Without an argument, these functions will
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 * toggle the given mode.  A negative or zero argument will turn the mode
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 * off.  A positive argument will turn the mode on.
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 */
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#include <sys/queue.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include "def.h"
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#include "kbd.h"
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int	changemode(int, int, char *);
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int	 defb_nmodes = 0;
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struct maps_s	*defb_modes[PBMODES] = { &fundamental_mode };
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int	 defb_flag = 0;
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int
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changemode(int f, int n, char *mode)
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{
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	int	 i;
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	struct maps_s	*m;
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	if ((m = name_mode(mode)) == NULL) {
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		dobeep();
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		ewprintf("Can't find mode %s", mode);
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		return (FALSE);
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	}
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	if (!(f & FFARG)) {
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		for (i = 0; i <= curbp->b_nmodes; i++)
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			if (curbp->b_modes[i] == m) {
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				/* mode already set */
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				n = 0;
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				break;
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			}
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	}
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	if (n > 0) {
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		for (i = 0; i <= curbp->b_nmodes; i++)
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			if (curbp->b_modes[i] == m)
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				/* mode already set */
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				return (TRUE);
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		if (curbp->b_nmodes >= PBMODES - 1) {
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			dobeep();
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			ewprintf("Too many modes");
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			return (FALSE);
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		}
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		curbp->b_modes[++(curbp->b_nmodes)] = m;
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	} else {
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		/* fundamental is b_modes[0] and can't be unset */
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		for (i = 1; i <= curbp->b_nmodes && m != curbp->b_modes[i];
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		    i++);
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		if (i > curbp->b_nmodes)
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			return (TRUE);	/* mode wasn't set */
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		for (; i < curbp->b_nmodes; i++)
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			curbp->b_modes[i] = curbp->b_modes[i + 1];
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		curbp->b_nmodes--;
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	}
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	upmodes(curbp);
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	return (TRUE);
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}
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int
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indentmode(int f, int n)
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{
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	return (changemode(f, n, "indent"));
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}
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int
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fillmode(int f, int n)
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{
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	return (changemode(f, n, "fill"));
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}
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#ifdef NOTAB
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int
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notabmode(int f, int n)
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{
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	if (changemode(f, n, "notab") == FALSE)
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		return (FALSE);
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	if (f & FFARG) {
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		if (n <= 0)
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			curbp->b_flag &= ~BFNOTAB;
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		else
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			curbp->b_flag |= BFNOTAB;
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	} else
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		curbp->b_flag ^= BFNOTAB;
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	return (TRUE);
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}
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#endif	/* NOTAB */
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int
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overwrite_mode(int f, int n)
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{
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	if (changemode(f, n, "overwrite") == FALSE)
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		return (FALSE);
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	if (f & FFARG) {
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		if (n <= 0)
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			curbp->b_flag &= ~BFOVERWRITE;
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		else
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			curbp->b_flag |= BFOVERWRITE;
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	} else
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		curbp->b_flag ^= BFOVERWRITE;
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	return (TRUE);
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}
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int
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set_default_mode(int f, int n)
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{
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	int	 i;
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	struct maps_s	*m;
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	char	 modebuf[32], *bufp;
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	if ((bufp = eread("Set Default Mode: ", modebuf, sizeof(modebuf),
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	    EFNEW)) == NULL)
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		return (ABORT);
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	else if (bufp[0] == '\0')
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		return (FALSE);
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	if ((m = name_mode(modebuf)) == NULL) {
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		dobeep();
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		ewprintf("can't find mode %s", modebuf);
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		return (FALSE);
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	}
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	if (!(f & FFARG)) {
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		for (i = 0; i <= defb_nmodes; i++)
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			if (defb_modes[i] == m) {
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				/* mode already set */
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				n = 0;
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				break;
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			}
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	}
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	if (n > 0) {
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		for (i = 0; i <= defb_nmodes; i++)
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			if (defb_modes[i] == m)
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				/* mode already set */
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				return (TRUE);
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		if (defb_nmodes >= PBMODES - 1) {
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			dobeep();
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			ewprintf("Too many modes");
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			return (FALSE);
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		}
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		defb_modes[++defb_nmodes] = m;
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	} else {
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		/* fundamental is defb_modes[0] and can't be unset */
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		for (i = 1; i <= defb_nmodes && m != defb_modes[i]; i++);
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		if (i > defb_nmodes)
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			/* mode was not set */
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			return (TRUE);
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		for (; i < defb_nmodes; i++)
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			defb_modes[i] = defb_modes[i + 1];
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		defb_nmodes--;
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	}
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	if (strcmp(modebuf, "overwrite") == 0) {
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		if (n <= 0)
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			defb_flag &= ~BFOVERWRITE;
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		else
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			defb_flag |= BFOVERWRITE;
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	}
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#ifdef NOTAB
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	if (strcmp(modebuf, "notab") == 0) {
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		if (n <= 0)
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			defb_flag &= ~BFNOTAB;
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		else
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			defb_flag |= BFNOTAB;
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	}
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#endif	/* NOTAB */
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	return (TRUE);
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}