Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/indent/io.c	Lines:	0	309	0.0 %
Date:	2017-11-07	Branches:	0	344	0.0 %


/*	$OpenBSD: io.c,v 1.14 2015/09/27 17:00:46 guenther Exp $	*/

/*
 * Copyright (c) 1985 Sun Microsystems, Inc.
 * Copyright (c) 1980, 1993 The Regents of the University of California.
 * Copyright (c) 1976 Board of Trustees of the University of Illinois.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <err.h>
#include "indent_globs.h"


int         comment_open;
static int  paren_target;

void
dump_line(void)
{				/* dump_line is the routine that actually
				 * effects the printing of the new source. It
				 * prints the label section, followed by the
				 * code section with the appropriate nesting
				 * level, followed by any comments */
    int         cur_col, target_col;
    static int  not_first_line;

    if (ps.procname[0]) {
	if (troff) {
	    if (comment_open) {
		comment_open = 0;
		fprintf(output, ".*/\n");
	    }
	    fprintf(output, ".Pr \"%s\"\n", ps.procname);
	}
	ps.ind_level = 0;
	ps.procname[0] = 0;
    }
    if (s_code == e_code && s_lab == e_lab && s_com == e_com) {
	if (suppress_blanklines > 0)
	    suppress_blanklines--;
	else {
	    ps.bl_line = true;
	    n_real_blanklines++;
	}
    }
    else if (!inhibit_formatting) {
	suppress_blanklines = 0;
	ps.bl_line = false;
	if (prefix_blankline_requested && not_first_line) {
	    if (swallow_optional_blanklines) {
		if (n_real_blanklines == 1)
		    n_real_blanklines = 0;
	    } else {
		if (n_real_blanklines == 0)
		    n_real_blanklines = 1;
	    }
	}
	while (--n_real_blanklines >= 0)
	    putc('\n', output);
	n_real_blanklines = 0;
	if (ps.ind_level == 0)
	    ps.ind_stmt = 0;	/* this is a class A kludge. dont do
				 * additional statement indentation if we are
				 * at bracket level 0 */

	if (e_lab != s_lab || e_code != s_code)
	    ++code_lines;	/* keep count of lines with code */


	if (e_lab != s_lab) {	/* print lab, if any */
	    if (comment_open) {
		comment_open = 0;
		fprintf(output, ".*/\n");
	    }
	    while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
		e_lab--;
	    cur_col = pad_output(1, compute_label_target());
	    if (s_lab[0] == '#' && (strncmp(s_lab, "#else", 5) == 0
				    || strncmp(s_lab, "#endif", 6) == 0)) {
		char *s = s_lab;
		if (e_lab[-1] == '\n')
			e_lab--;
		do
			putc(*s++, output);
		while (s < e_lab && 'a' <= *s && *s<='z');
		while ((*s == ' ' || *s == '\t') && s < e_lab)
		    s++;
		if (s < e_lab)
		    fprintf(output, s[0]=='/' && s[1]=='*' ? "\t%.*s" : "\t/* %.*s */",
			    (int)(e_lab - s), s);
	    }
	    else fprintf(output, "%.*s", (int)(e_lab - s_lab), s_lab);
	    cur_col = count_spaces(cur_col, s_lab);
	}
	else
	    cur_col = 1;	/* there is no label section */

	ps.pcase = false;

	if (s_code != e_code) {	/* print code section, if any */
	    char *p;

	    if (comment_open) {
		comment_open = 0;
		fprintf(output, ".*/\n");
	    }
	    target_col = compute_code_target();
	    {
		int  i;

		for (i = 0; i < ps.p_l_follow; i++)
		    if (ps.paren_indents[i] >= 0)
			ps.paren_indents[i] = -(ps.paren_indents[i] + target_col);
	    }
	    cur_col = pad_output(cur_col, target_col);
	    for (p = s_code; p < e_code; p++)
		if (*p == (char) 0200)
		    fprintf(output, "%d", target_col * 7);
		else
		    putc(*p, output);
	    cur_col = count_spaces(cur_col, s_code);
	}
	if (s_com != e_com) {
	    if (troff) {
		int   all_here = 0;
		char *p;

		if (e_com[-1] == '/' && e_com[-2] == '*')
		    e_com -= 2, all_here++;
		while (e_com > s_com && e_com[-1] == ' ')
		    e_com--;
		*e_com = 0;
		p = s_com;
		while (*p == ' ')
		    p++;
		if (p[0] == '/' && p[1] == '*')
		    p += 2, all_here++;
		else if (p[0] == '*')
		    p += p[1] == '/' ? 2 : 1;
		while (*p == ' ')
		    p++;
		if (*p == 0)
		    goto inhibit_newline;
		if (comment_open < 2 && ps.box_com) {
		    comment_open = 0;
		    fprintf(output, ".*/\n");
		}
		if (comment_open == 0) {
		    if ('a' <= *p && *p <= 'z')
			*p = *p + 'A' - 'a';
		    if (e_com - p < 50 && all_here == 2) {
			char *follow = p;
			fprintf(output, "\n.nr C! \\w\1");
			while (follow < e_com) {
			    switch (*follow) {
			    case '\n':
				putc(' ', output);
			    case 1:
				break;
			    case '\\':
				putc('\\', output);
			    default:
				putc(*follow, output);
			    }
			    follow++;
			}
			putc(1, output);
		    }
		    fprintf(output, "\n./* %dp %d %dp\n",
			    ps.com_col * 7,
			    (s_code != e_code || s_lab != e_lab) - ps.box_com,
			    target_col * 7);
		}
		comment_open = 1 + ps.box_com;
		while (*p) {
		    if (*p == BACKSLASH)
			putc(BACKSLASH, output);
		    putc(*p++, output);
		}
	    } else {		/* print comment, if any */
		int   target = ps.com_col;
		char *com_st = s_com;

		target += ps.comment_delta;
		while (*com_st == '\t')
		    com_st++, target += 8;	/* ? */
		while (target <= 0)
		    if (*com_st == ' ')
			target++, com_st++;
		    else if (*com_st == '\t')
			target = ((target - 1) & ~7) + 9, com_st++;
		    else
			target = 1;
		if (cur_col > target) {	/* if comment cant fit on this line,
					 * put it on next line */
		    putc('\n', output);
		    cur_col = 1;
		    ++ps.out_lines;
		}
		while (e_com > com_st && isspace((unsigned char)e_com[-1]))
		    e_com--;
		cur_col = pad_output(cur_col, target);
		if (!ps.box_com) {
		    if (star_comment_cont && (com_st[1] != '*' || e_com <= com_st + 1)) {
			if (com_st[1] == ' ' && com_st[0] == ' ' && e_com > com_st + 1)
			    com_st[1] = '*';
			else
			    fwrite(" * ", com_st[0] == '\t' ? 2 : com_st[0] == '*' ? 1 : 3, 1, output);
		    }
		}
		fwrite(com_st, e_com - com_st, 1, output);
		ps.comment_delta = ps.n_comment_delta;
		cur_col = count_spaces(cur_col, com_st);
		++ps.com_lines;	/* count lines with comments */
	    }
	}
	if (ps.use_ff)
	    putc('\014', output);
	else
	    putc('\n', output);
inhibit_newline:
	++ps.out_lines;
	if (ps.just_saw_decl == 1 && blanklines_after_declarations) {
	    prefix_blankline_requested = 1;
	    ps.just_saw_decl = 0;
	}
	else
	    prefix_blankline_requested = postfix_blankline_requested;
	postfix_blankline_requested = 0;
    }
    ps.decl_on_line = ps.in_decl;	/* if we are in the middle of a
					 * declaration, remember that fact for
					 * proper comment indentation */
    ps.ind_stmt = ps.in_stmt & ~ps.in_decl;	/* next line should be
						 * indented if we have not
						 * completed this stmt and if
						 * we are not in the middle of
						 * a declaration */
    ps.use_ff = false;
    ps.dumped_decl_indent = 0;
    *(e_lab = s_lab) = '\0';	/* reset buffers */
    *(e_code = s_code) = '\0';
    *(e_com = s_com) = '\0';
    ps.ind_level = ps.i_l_follow;
    ps.paren_level = ps.p_l_follow;
    paren_target = -ps.paren_indents[ps.paren_level - 1];
    not_first_line = 1;
    return;
}

int
compute_code_target(void)
{
    int target_col;

    target_col = ps.ind_size * ps.ind_level + 1;
    if (ps.paren_level)
	if (!lineup_to_parens)
	    target_col += continuation_indent * ps.paren_level;
	else {
	    int    w;
	    int    t = paren_target;

	    if ((w = count_spaces(t, s_code) - max_col) > 0
		    && count_spaces(target_col, s_code) <= max_col) {
		t -= w + 1;
		if (t > target_col)
		    target_col = t;
	    }
	    else
		target_col = t;
	}
    else if (ps.ind_stmt)
	target_col += continuation_indent;
    return target_col;
}

int
compute_label_target(void)
{
    return
	ps.pcase ? (int) (case_ind * ps.ind_size) + 1
	: *s_lab == '#' ? 1
	: ps.ind_size * (ps.ind_level - label_offset) + 1;
}


/*
 * Copyright (C) 1976 by the Board of Trustees of the University of Illinois
 *
 * All rights reserved
 *
 *
 * NAME: fill_buffer
 *
 * FUNCTION: Reads one block of input into input_buffer
 *
 * HISTORY: initial coding 	November 1976	D A Willcox of CAC 1/7/77 A
 * Willcox of CAC	Added check for switch back to partly full input
 * buffer from temporary buffer
 *
 */
void
fill_buffer(void)
{				/* this routine reads stuff from the input */
    char *p, *buf2;
    int i;
    FILE *f = input;

    if (bp_save != 0) {		/* there is a partly filled input buffer left */
	buf_ptr = bp_save;	/* dont read anything, just switch buffers */
	buf_end = be_save;
	bp_save = be_save = 0;
	if (buf_ptr < buf_end)
	    return;		/* only return if there is really something in
				 * this buffer */
    }
    for (p = in_buffer;;) {
	if (p >= in_buffer_limit) {
	    int size = (in_buffer_limit - in_buffer) * 2 + 10;
	    int offset = p - in_buffer;
	    buf2 = realloc(in_buffer, size);
	    if (buf2 == NULL)
		errx(1, "input line too long");
	    in_buffer = buf2;
	    p = in_buffer + offset;
	    in_buffer_limit = in_buffer + size - 2;
	}
	if ((i = getc(f)) == EOF) {
		*p++ = ' ';
		*p++ = '\n';
		had_eof = true;
		break;
	}
	*p++ = i;
	if (i == '\n')
		break;
    }
    buf_ptr = in_buffer;
    buf_end = p;
    if (p - 3 >= in_buffer && p[-2] == '/' && p[-3] == '*') {
	if (in_buffer[3] == 'I' && strncmp(in_buffer, "/**INDENT**", 11) == 0)
	    fill_buffer();	/* flush indent error message */
	else {
	    int         com = 0;

	    p = in_buffer;
	    while (*p == ' ' || *p == '\t')
		p++;
	    if (*p == '/' && p[1] == '*') {
		p += 2;
		while (*p == ' ' || *p == '\t')
		    p++;
		if (p[0] == 'I' && p[1] == 'N' && p[2] == 'D' && p[3] == 'E'
			&& p[4] == 'N' && p[5] == 'T') {
		    p += 6;
		    while (*p == ' ' || *p == '\t')
			p++;
		    if (*p == '*')
			com = 1;
		    else if (*p == 'O') {
			if (*++p == 'N')
			    p++, com = 1;
			else if (*p == 'F' && *++p == 'F')
			    p++, com = 2;
		    }
		    while (*p == ' ' || *p == '\t')
			p++;
		    if (p[0] == '*' && p[1] == '/' && p[2] == '\n' && com) {
			if (s_com != e_com || s_lab != e_lab || s_code != e_code)
			    dump_line();
			if (!(inhibit_formatting = com - 1)) {
			    n_real_blanklines = 0;
			    postfix_blankline_requested = 0;
			    prefix_blankline_requested = 0;
			    suppress_blanklines = 1;
			}
		    }
		}
	    }
	}
    }
    if (inhibit_formatting) {
	p = in_buffer;
	do
	    putc(*p, output);
	while (*p++ != '\n');
    }
    return;
}

/*
 * Copyright (C) 1976 by the Board of Trustees of the University of Illinois
 *
 * All rights reserved
 *
 *
 * NAME: pad_output
 *
 * FUNCTION: Writes tabs and spaces to move the current column up to the desired
 * position.
 *
 * ALGORITHM: Put tabs and/or blanks into pobuf, then write pobuf.
 *
 * PARAMETERS: current		integer		The current column target
 *             target 		integer		The desired column
 *
 * RETURNS: Integer value of the new column.  (If current >= target, no action is
 * taken, and current is returned.
 *
 * GLOBALS: None
 *
 * CALLS: write (sys)
 *
 * CALLED BY: dump_line
 *
 * HISTORY: initial coding 	November 1976	D A Willcox of CAC
 *
 */
int
pad_output(int current, int target)
{
    int curr;		/* internal column pointer */
    int tcur;

    if (troff)
	fprintf(output, "\\h'|%dp'", (target - 1) * 7);
    else {
	if (current >= target)
	    return (current);	/* line is already long enough */
	curr = current;
	if (use_tabs) {
		while ((tcur = ((curr - 1) & tabmask) + tabsize + 1) <= target) {
			putc('\t', output);
			curr = tcur;
		}
	}
	while (curr++ < target)
	    putc(' ', output);	/* pad with final blanks */
    }
    return (target);
}

/*
 * Copyright (C) 1976 by the Board of Trustees of the University of Illinois
 *
 * All rights reserved
 *
 *
 * NAME: count_spaces
 *
 * FUNCTION: Find out where printing of a given string will leave the current
 * character position on output.
 *
 * ALGORITHM: Run thru input string and add appropriate values to current
 * position.
 *
 * RETURNS: Integer value of position after printing "buffer" starting in column
 * "current".
 *
 * HISTORY: initial coding 	November 1976	D A Willcox of CAC
 *
 */
int
count_spaces(int current, char *buffer)
{
    char *buf;		/* used to look thru buffer */
    int cur;		/* current character counter */

    cur = current;

    for (buf = buffer; *buf != '\0'; ++buf) {
	switch (*buf) {

	case '\n':
	case 014:		/* form feed */
	    cur = 1;
	    break;

	case '\t':
	    cur = ((cur - 1) & tabmask) + tabsize + 1;
	    break;

	case 010:		/* backspace */
	    --cur;
	    break;

	default:
	    ++cur;
	    break;
	}			/* end of switch */
    }				/* end of for loop */
    return (cur);
}

int	found_err;

void
diag(int level, const char *msg, ...)
{
    va_list ap;

    va_start(ap, msg);
    if (level)
	found_err = 1;
    if (output == stdout) {
	fprintf(stdout, "/**INDENT** %s@%d: ", level == 0 ? "Warning" : "Error", line_no);
	vfprintf(stdout, msg, ap);
	fprintf(stdout, " */\n");
    }
    else {
	fprintf(stderr, "%s@%d: ", level == 0 ? "Warning" : "Error", line_no);
	vfprintf(stderr, msg, ap);
	fprintf(stderr, "\n");
    }
    va_end(ap);
}

void
writefdef(struct fstate *f, int nm)
{
    fprintf(output, ".ds f%c %s\n.nr s%c %d\n",
	    nm, f->font, nm, f->size);
}

char       *
chfont(struct fstate *of, struct fstate *nf, char *s)
{
    if (of->font[0] != nf->font[0]
	    || of->font[1] != nf->font[1]) {
	*s++ = '\\';
	*s++ = 'f';
	if (nf->font[1]) {
	    *s++ = '(';
	    *s++ = nf->font[0];
	    *s++ = nf->font[1];
	}
	else
	    *s++ = nf->font[0];
    }
    if (nf->size != of->size) {
	*s++ = '\\';
	*s++ = 's';
	if (nf->size < of->size) {
	    *s++ = '-';
	    *s++ = '0' + of->size - nf->size;
	}
	else {
	    *s++ = '+';
	    *s++ = '0' + nf->size - of->size;
	}
    }
    return s;
}

void
parsefont(struct fstate *f, char *s0)
{
    char *s = s0;
    int         sizedelta = 0;
    bzero(f, sizeof *f);
    while (*s) {
	if (isdigit((unsigned char)*s))
	    f->size = f->size * 10 + *s - '0';
	else if (isupper((unsigned char)*s))
	    if (f->font[0])
		f->font[1] = *s;
	    else
		f->font[0] = *s;
	else if (*s == 'c')
	    f->allcaps = 1;
	else if (*s == '+')
	    sizedelta++;
	else if (*s == '-')
	    sizedelta--;
	else
	    errx(1, "bad font specification: %s", s0);
	s++;
    }
    if (f->font[0] == 0)
	f->font[0] = 'R';
    if (bodyf.size == 0)
	bodyf.size = 11;
    if (f->size == 0)
	f->size = bodyf.size + sizedelta;
    else if (sizedelta > 0)
	f->size += bodyf.size;
    else
	f->size = bodyf.size - f->size;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: io.c,v 1.14 2015/09/27 17:00:46 guenther Exp $ */
2
3			/*
4			* Copyright (c) 1985 Sun Microsystems, Inc.
5			* Copyright (c) 1980, 1993 The Regents of the University of California.
6			* Copyright (c) 1976 Board of Trustees of the University of Illinois.
7			* All rights reserved.
8			*
9			* Redistribution and use in source and binary forms, with or without
10			* modification, are permitted provided that the following conditions
11			* are met:
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			* 2. Redistributions in binary form must reproduce the above copyright
15			* notice, this list of conditions and the following disclaimer in the
16			* documentation and/or other materials provided with the distribution.
17			* 3. Neither the name of the University nor the names of its contributors
18			* may be used to endorse or promote products derived from this software
19			* without specific prior written permission.
20			*
21			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31			* SUCH DAMAGE.
32			*/
33
34			#include <stdio.h>
35			#include <ctype.h>
36			#include <stdlib.h>
37			#include <string.h>
38			#include <stdarg.h>
39			#include <err.h>
40			#include "indent_globs.h"
41
42
43			int comment_open;
44			static int paren_target;
45
46			void
47			dump_line(void)
48			{ /* dump_line is the routine that actually
49			* effects the printing of the new source. It
50			* prints the label section, followed by the
51			* code section with the appropriate nesting
52			* level, followed by any comments */
53			int cur_col, target_col;
54			static int not_first_line;
55
56			if (ps.procname[0]) {
57			if (troff) {
58			if (comment_open) {
59			comment_open = 0;
60			fprintf(output, ".*/\n");
61			}
62			fprintf(output, ".Pr \"%s\"\n", ps.procname);
63			}
64			ps.ind_level = 0;
65			ps.procname[0] = 0;
66			}
67			if (s_code == e_code && s_lab == e_lab && s_com == e_com) {
68			if (suppress_blanklines > 0)
69			suppress_blanklines--;
70			else {
71			ps.bl_line = true;
72			n_real_blanklines++;
73			}
74			}
75			else if (!inhibit_formatting) {
76			suppress_blanklines = 0;
77			ps.bl_line = false;
78			if (prefix_blankline_requested && not_first_line) {
79			if (swallow_optional_blanklines) {
80			if (n_real_blanklines == 1)
81			n_real_blanklines = 0;
82			} else {
83			if (n_real_blanklines == 0)
84			n_real_blanklines = 1;
85			}
86			}
87			while (--n_real_blanklines >= 0)
88			putc('\n', output);
89			n_real_blanklines = 0;
90			if (ps.ind_level == 0)
91			ps.ind_stmt = 0; /* this is a class A kludge. dont do
92			* additional statement indentation if we are
93			* at bracket level 0 */
94
95			if (e_lab != s_lab \|\| e_code != s_code)
96			++code_lines; /* keep count of lines with code */
97
98
99			if (e_lab != s_lab) { /* print lab, if any */
100			if (comment_open) {
101			comment_open = 0;
102			fprintf(output, ".*/\n");
103			}
104			while (e_lab > s_lab && (e_lab[-1] == ' ' \|\| e_lab[-1] == '\t'))
105			e_lab--;
106			cur_col = pad_output(1, compute_label_target());
107			if (s_lab[0] == '#' && (strncmp(s_lab, "#else", 5) == 0
108			\|\| strncmp(s_lab, "#endif", 6) == 0)) {
109			char *s = s_lab;
110			if (e_lab[-1] == '\n')
111			e_lab--;
112			do
113			putc(*s++, output);
114			while (s < e_lab && 'a' <= s && s<='z');
115			while ((s == ' ' \|\| s == '\t') && s < e_lab)
116			s++;
117			if (s < e_lab)
118			fprintf(output, s[0]=='/' && s[1]=='' ? "\t%.s" : "\t/* %.s /",
119			(int)(e_lab - s), s);
120			}
121			else fprintf(output, "%.*s", (int)(e_lab - s_lab), s_lab);
122			cur_col = count_spaces(cur_col, s_lab);
123			}
124			else
125			cur_col = 1; /* there is no label section */
126
127			ps.pcase = false;
128
129			if (s_code != e_code) { /* print code section, if any */
130			char *p;
131
132			if (comment_open) {
133			comment_open = 0;
134			fprintf(output, ".*/\n");
135			}
136			target_col = compute_code_target();
137			{
138			int i;
139
140			for (i = 0; i < ps.p_l_follow; i++)
141			if (ps.paren_indents[i] >= 0)
142			ps.paren_indents[i] = -(ps.paren_indents[i] + target_col);
143			}
144			cur_col = pad_output(cur_col, target_col);
145			for (p = s_code; p < e_code; p++)
146			if (*p == (char) 0200)
147			fprintf(output, "%d", target_col * 7);
148			else
149			putc(*p, output);
150			cur_col = count_spaces(cur_col, s_code);
151			}
152			if (s_com != e_com) {
153			if (troff) {
154			int all_here = 0;
155			char *p;
156
157			if (e_com[-1] == '/' && e_com[-2] == '*')
158			e_com -= 2, all_here++;
159			while (e_com > s_com && e_com[-1] == ' ')
160			e_com--;
161			*e_com = 0;
162			p = s_com;
163			while (*p == ' ')
164			p++;
165			if (p[0] == '/' && p[1] == '*')
166			p += 2, all_here++;
167			else if (p[0] == '*')
168			p += p[1] == '/' ? 2 : 1;
169			while (*p == ' ')
170			p++;
171			if (*p == 0)
172			goto inhibit_newline;
173			if (comment_open < 2 && ps.box_com) {
174			comment_open = 0;
175			fprintf(output, ".*/\n");
176			}
177			if (comment_open == 0) {
178			if ('a' <= p && p <= 'z')
179			p = p + 'A' - 'a';
180			if (e_com - p < 50 && all_here == 2) {
181			char *follow = p;
182			fprintf(output, "\n.nr C! \\w\1");
183			while (follow < e_com) {
184			switch (*follow) {
185			case '\n':
186			putc(' ', output);
187			case 1:
188			break;
189			case '\\':
190			putc('\\', output);
191			default:
192			putc(*follow, output);
193			}
194			follow++;
195			}
196			putc(1, output);
197			}
198			fprintf(output, "\n./* %dp %d %dp\n",
199			ps.com_col * 7,
200			(s_code != e_code \|\| s_lab != e_lab) - ps.box_com,
201			target_col * 7);
202			}
203			comment_open = 1 + ps.box_com;
204			while (*p) {
205			if (*p == BACKSLASH)
206			putc(BACKSLASH, output);
207			putc(*p++, output);
208			}
209			} else { /* print comment, if any */
210			int target = ps.com_col;
211			char *com_st = s_com;
212
213			target += ps.comment_delta;
214			while (*com_st == '\t')
215			com_st++, target += 8; /* ? */
216			while (target <= 0)
217			if (*com_st == ' ')
218			target++, com_st++;
219			else if (*com_st == '\t')
220			target = ((target - 1) & ~7) + 9, com_st++;
221			else
222			target = 1;
223			if (cur_col > target) { /* if comment cant fit on this line,
224			* put it on next line */
225			putc('\n', output);
226			cur_col = 1;
227			++ps.out_lines;
228			}
229			while (e_com > com_st && isspace((unsigned char)e_com[-1]))
230			e_com--;
231			cur_col = pad_output(cur_col, target);
232			if (!ps.box_com) {
233			if (star_comment_cont && (com_st[1] != '*' \|\| e_com <= com_st + 1)) {
234			if (com_st[1] == ' ' && com_st[0] == ' ' && e_com > com_st + 1)
235			com_st[1] = '*';
236			else
237			fwrite(" * ", com_st[0] == '\t' ? 2 : com_st[0] == '*' ? 1 : 3, 1, output);
238			}
239			}
240			fwrite(com_st, e_com - com_st, 1, output);
241			ps.comment_delta = ps.n_comment_delta;
242			cur_col = count_spaces(cur_col, com_st);
243			++ps.com_lines; /* count lines with comments */
244			}
245			}
246			if (ps.use_ff)
247			putc('\014', output);
248			else
249			putc('\n', output);
250			inhibit_newline:
251			++ps.out_lines;
252			if (ps.just_saw_decl == 1 && blanklines_after_declarations) {
253			prefix_blankline_requested = 1;
254			ps.just_saw_decl = 0;
255			}
256			else
257			prefix_blankline_requested = postfix_blankline_requested;
258			postfix_blankline_requested = 0;
259			}
260			ps.decl_on_line = ps.in_decl; /* if we are in the middle of a
261			* declaration, remember that fact for
262			* proper comment indentation */
263			ps.ind_stmt = ps.in_stmt & ~ps.in_decl; /* next line should be
264			* indented if we have not
265			* completed this stmt and if
266			* we are not in the middle of
267			* a declaration */
268			ps.use_ff = false;
269			ps.dumped_decl_indent = 0;
270			(e_lab = s_lab) = '\0'; / reset buffers */
271			*(e_code = s_code) = '\0';
272			*(e_com = s_com) = '\0';
273			ps.ind_level = ps.i_l_follow;
274			ps.paren_level = ps.p_l_follow;
275			paren_target = -ps.paren_indents[ps.paren_level - 1];
276			not_first_line = 1;
277			return;
278			}
279
280			int
281			compute_code_target(void)
282			{
283			int target_col;
284
285			target_col = ps.ind_size * ps.ind_level + 1;
286			if (ps.paren_level)
287			if (!lineup_to_parens)
288			target_col += continuation_indent * ps.paren_level;
289			else {
290			int w;
291			int t = paren_target;
292
293			if ((w = count_spaces(t, s_code) - max_col) > 0
294			&& count_spaces(target_col, s_code) <= max_col) {
295			t -= w + 1;
296			if (t > target_col)
297			target_col = t;
298			}
299			else
300			target_col = t;
301			}
302			else if (ps.ind_stmt)
303			target_col += continuation_indent;
304			return target_col;
305			}
306
307			int
308			compute_label_target(void)
309			{
310			return
311			ps.pcase ? (int) (case_ind * ps.ind_size) + 1
312			: *s_lab == '#' ? 1
313			: ps.ind_size * (ps.ind_level - label_offset) + 1;
314			}
315
316
317			/*
318			* Copyright (C) 1976 by the Board of Trustees of the University of Illinois
319			*
320			* All rights reserved
321			*
322			*
323			* NAME: fill_buffer
324			*
325			* FUNCTION: Reads one block of input into input_buffer
326			*
327			* HISTORY: initial coding November 1976 D A Willcox of CAC 1/7/77 A
328			* Willcox of CAC Added check for switch back to partly full input
329			* buffer from temporary buffer
330			*
331			*/
332			void
333			fill_buffer(void)
334			{ /* this routine reads stuff from the input */
335			char p, buf2;
336			int i;
337			FILE *f = input;
338
339			if (bp_save != 0) { /* there is a partly filled input buffer left */
340			buf_ptr = bp_save; /* dont read anything, just switch buffers */
341			buf_end = be_save;
342			bp_save = be_save = 0;
343			if (buf_ptr < buf_end)
344			return; /* only return if there is really something in
345			* this buffer */
346			}
347			for (p = in_buffer;;) {
348			if (p >= in_buffer_limit) {
349			int size = (in_buffer_limit - in_buffer) * 2 + 10;
350			int offset = p - in_buffer;
351			buf2 = realloc(in_buffer, size);
352			if (buf2 == NULL)
353			errx(1, "input line too long");
354			in_buffer = buf2;
355			p = in_buffer + offset;
356			in_buffer_limit = in_buffer + size - 2;
357			}
358			if ((i = getc(f)) == EOF) {
359			*p++ = ' ';
360			*p++ = '\n';
361			had_eof = true;
362			break;
363			}
364			*p++ = i;
365			if (i == '\n')
366			break;
367			}
368			buf_ptr = in_buffer;
369			buf_end = p;
370			if (p - 3 >= in_buffer && p[-2] == '/' && p[-3] == '*') {
371			if (in_buffer[3] == 'I' && strncmp(in_buffer, "/INDENT", 11) == 0)
372			fill_buffer(); /* flush indent error message */
373			else {
374			int com = 0;
375
376			p = in_buffer;
377			while (p == ' ' \|\| p == '\t')
378			p++;
379			if (p == '/' && p[1] == '') {
380			p += 2;
381			while (p == ' ' \|\| p == '\t')
382			p++;
383			if (p[0] == 'I' && p[1] == 'N' && p[2] == 'D' && p[3] == 'E'
384			&& p[4] == 'N' && p[5] == 'T') {
385			p += 6;
386			while (p == ' ' \|\| p == '\t')
387			p++;
388			if (p == '')
389			com = 1;
390			else if (*p == 'O') {
391			if (*++p == 'N')
392			p++, com = 1;
393			else if (p == 'F' && ++p == 'F')
394			p++, com = 2;
395			}
396			while (p == ' ' \|\| p == '\t')
397			p++;
398			if (p[0] == '*' && p[1] == '/' && p[2] == '\n' && com) {
399			if (s_com != e_com \|\| s_lab != e_lab \|\| s_code != e_code)
400			dump_line();
401			if (!(inhibit_formatting = com - 1)) {
402			n_real_blanklines = 0;
403			postfix_blankline_requested = 0;
404			prefix_blankline_requested = 0;
405			suppress_blanklines = 1;
406			}
407			}
408			}
409			}
410			}
411			}
412			if (inhibit_formatting) {
413			p = in_buffer;
414			do
415			putc(*p, output);
416			while (*p++ != '\n');
417			}
418			return;
419			}
420
421			/*
422			* Copyright (C) 1976 by the Board of Trustees of the University of Illinois
423			*
424			* All rights reserved
425			*
426			*
427			* NAME: pad_output
428			*
429			* FUNCTION: Writes tabs and spaces to move the current column up to the desired
430			* position.
431			*
432			* ALGORITHM: Put tabs and/or blanks into pobuf, then write pobuf.
433			*
434			* PARAMETERS: current integer The current column target
435			* target integer The desired column
436			*
437			* RETURNS: Integer value of the new column. (If current >= target, no action is
438			* taken, and current is returned.
439			*
440			* GLOBALS: None
441			*
442			* CALLS: write (sys)
443			*
444			* CALLED BY: dump_line
445			*
446			* HISTORY: initial coding November 1976 D A Willcox of CAC
447			*
448			*/
449			int
450			pad_output(int current, int target)
451			{
452			int curr; /* internal column pointer */
453			int tcur;
454
455			if (troff)
456			fprintf(output, "\\h'\|%dp'", (target - 1) * 7);
457			else {
458			if (current >= target)
459			return (current); /* line is already long enough */
460			curr = current;
461			if (use_tabs) {
462			while ((tcur = ((curr - 1) & tabmask) + tabsize + 1) <= target) {
463			putc('\t', output);
464			curr = tcur;
465			}
466			}
467			while (curr++ < target)
468			putc(' ', output); /* pad with final blanks */
469			}
470			return (target);
471			}
472
473			/*
474			* Copyright (C) 1976 by the Board of Trustees of the University of Illinois
475			*
476			* All rights reserved
477			*
478			*
479			* NAME: count_spaces
480			*
481			* FUNCTION: Find out where printing of a given string will leave the current
482			* character position on output.
483			*
484			* ALGORITHM: Run thru input string and add appropriate values to current
485			* position.
486			*
487			* RETURNS: Integer value of position after printing "buffer" starting in column
488			* "current".
489			*
490			* HISTORY: initial coding November 1976 D A Willcox of CAC
491			*
492			*/
493			int
494			count_spaces(int current, char *buffer)
495			{
496			char buf; / used to look thru buffer */
497			int cur; /* current character counter */
498
499			cur = current;
500
501			for (buf = buffer; *buf != '\0'; ++buf) {
502			switch (*buf) {
503
504			case '\n':
505			case 014: /* form feed */
506			cur = 1;
507			break;
508
509			case '\t':
510			cur = ((cur - 1) & tabmask) + tabsize + 1;
511			break;
512
513			case 010: /* backspace */
514			--cur;
515			break;
516
517			default:
518			++cur;
519			break;
520			} /* end of switch */
521			} /* end of for loop */
522			return (cur);
523			}
524
525			int found_err;
526
527			void
528			diag(int level, const char *msg, ...)
529			{
530			va_list ap;
531
532			va_start(ap, msg);
533			if (level)
534			found_err = 1;
535			if (output == stdout) {
536			fprintf(stdout, "/INDENT %s@%d: ", level == 0 ? "Warning" : "Error", line_no);
537			vfprintf(stdout, msg, ap);
538			fprintf(stdout, " */\n");
539			}
540			else {
541			fprintf(stderr, "%s@%d: ", level == 0 ? "Warning" : "Error", line_no);
542			vfprintf(stderr, msg, ap);
543			fprintf(stderr, "\n");
544			}
545			va_end(ap);
546			}
547
548			void
549			writefdef(struct fstate *f, int nm)
550			{
551			fprintf(output, ".ds f%c %s\n.nr s%c %d\n",
552			nm, f->font, nm, f->size);
553			}
554
555			char *
556			chfont(struct fstate of, struct fstate nf, char *s)
557			{
558			if (of->font[0] != nf->font[0]
559			\|\| of->font[1] != nf->font[1]) {
560			*s++ = '\\';
561			*s++ = 'f';
562			if (nf->font[1]) {
563			*s++ = '(';
564			*s++ = nf->font[0];
565			*s++ = nf->font[1];
566			}
567			else
568			*s++ = nf->font[0];
569			}
570			if (nf->size != of->size) {
571			*s++ = '\\';
572			*s++ = 's';
573			if (nf->size < of->size) {
574			*s++ = '-';
575			*s++ = '0' + of->size - nf->size;
576			}
577			else {
578			*s++ = '+';
579			*s++ = '0' + nf->size - of->size;
580			}
581			}
582			return s;
583			}
584
585			void
586			parsefont(struct fstate f, char s0)
587			{
588			char *s = s0;
589			int sizedelta = 0;
590			bzero(f, sizeof *f);
591			while (*s) {
592			if (isdigit((unsigned char)*s))
593			f->size = f->size * 10 + *s - '0';
594			else if (isupper((unsigned char)*s))
595			if (f->font[0])
596			f->font[1] = *s;
597			else
598			f->font[0] = *s;
599			else if (*s == 'c')
600			f->allcaps = 1;
601			else if (*s == '+')
602			sizedelta++;
603			else if (*s == '-')
604			sizedelta--;
605			else
606			errx(1, "bad font specification: %s", s0);
607			s++;
608			}
609			if (f->font[0] == 0)
610			f->font[0] = 'R';
611			if (bodyf.size == 0)
612			bodyf.size = 11;
613			if (f->size == 0)
614			f->size = bodyf.size + sizedelta;
615			else if (sizedelta > 0)
616			f->size += bodyf.size;
617			else
618			f->size = bodyf.size - f->size;
619			}