Source Code 1994 March/Source_Code_CD-ROM_Walnut_Creek_March_1994.iso/compsrcs/misc/volume30/indent/part02

Text File | 1992-07-05 | 59.5 KB | 1,564 lines

Newsgroups: comp.sources.misc
From: [e-mail] (Jon Saxton)
Subject:  v30i096:  indent - C/C++ indent for UNIX, OS/2 and MSDOS, Part02/04
Message-ID: <[e-mail]>
X-Md4-Signature: 983f6e1abea0cc454ac7b8f075ba377d
Date: Sun, 5 Jul 1992 19:03:31 GMT
Approved: [e-mail]

Submitted-by: [e-mail] (Jon Saxton)
Posting-number: Volume 30, Issue 96
Archive-name: indent/part02
Environment: UNIX, OS/2, MSDOS

#! /bin/sh
# This is a shell archive.  Remove anything before this line, then feed it
# into a shell via "sh file" or similar.  To overwrite existing files,
# type "sh file -c".
# The tool that generated this appeared in the comp.sources.unix newsgroup;
# send mail to [e-mail] if you want that tool.
# Contents:  indent.c indent.def
# Wrapped by kent@sparky on Tue Jun 30 00:01:41 1992
PATH=/bin:/usr/bin:/usr/ucb ; export PATH
echo If this archive is complete, you will see the following message:
echo '          "shar: End of archive 2 (of 4)."'
if test -f 'indent.c' -a "${1}" != "-c" ; then
  echo shar: Will not clobber existing file \"'indent.c'\"
else
  echo shar: Extracting \"'indent.c'\" \(57244 characters\)
  sed "s/^X//" >'indent.c' <<'END_OF_FILE'
X/*
X * Copyright 1989 Object Design, Inc.
X * Copyright (c) 1985 Sun Microsystems, Inc.
X * Copyright (c) 1980 The Regents of the University of California.
X * Copyright (c) 1976 Board of Trustees of the University of Illinois.
X * All rights reserved.
X *
X * Redistribution and use in source and binary forms are permitted
X * provided that the above copyright notice and this paragraph are
X * duplicated in all such forms and that any documentation,
X * advertising materials, and other materials related to such
X * distribution and use acknowledge that the software was developed
X * by the University of California, Berkeley, the University of Illinois,
X * Urbana, and Sun Microsystems, Inc.  The name of either University
X * or Sun Microsystems may not be used to endorse or promote products
X * derived from this software without specific prior written permission.
X * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
X * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
X * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
X */
X
X#ifndef lint
X# ifndef OS2
Xchar copyright[] =
X"@(#) Copyright 1989 Object Design, Inc.\n\
X @(#) Copyright (c) 1985 Sun Microsystems, Inc.\n\
X @(#) Copyright (c) 1980 The Regents of the University of California.\n\
X @(#) Copyright (c) 1976 Board of Trustees of the University of Illinois.\n\
X All rights reserved.\n";
X
X    static char sccsid[] = "@(#)indent.c    6.0 (Berkeley) 92/06/15";
X# endif
X#endif                          /* not lint */
X
X#include "globals.h"
X#include "codes.h"
X
X#ifdef OS2                      /* or MSDOS */
X#include <malloc.h>
X#include <stdlib.h>
X#include <process.h>
X#include <string.h>
X#include <io.h>
X#define R_OK 4
X#define INCL_NOPM
X#define INCL_NOPMAPI
X#define INCL_BASE
X#define INCL_DOSFILEMGR
X#include <os2.h>
X#define MAXPATHLEN CCHMAXPATH
X#else                           /* not OS/2 or MSDOS */
X#include <sys/param.h>
X#include <unistd.h>
X#endif                          /* BSD */
X
X#include <ctype.h>
X
Xchar *in_name = "Standard Input"; /* will always point to name of input file */
Xchar *out_name = "Standard Output"; /* will always point to name of output file */
Xchar bakfile[MAXPATHLEN] = "";
X
X#ifdef ANSIC
Xstatic void bakcopy(void);
X
X#endif
X
X#ifdef ANSIC
Xvoid main(int argc, char **argv)
X#else
Xmain(argc, argv)
X    int argc;
X    char **argv;
X
X#endif
X{
X
X    extern int found_err;       /* flag set in diag() on error */
X    int dec_ind;                /* current indentation for declarations */
X    int di_stack[20];           /* a stack of structure indentation levels */
X    int flushed_nl;             /* used when buffering up comments to remember
X                                   that a newline was passed over */
X    int force_nl;               /* when true, code must be broken */
X    int hd_type;                /* used to store type of stmt for if (...), for
X                                   (...), etc */
X    register int i;             /* local loop counter */
X    int scase;                  /* set to true when we see a case, so we will
X                                   know what to do with the following colon */
X    int sp_sw;                  /* when true, we are in the expressin of
X                                   if(...), while(...), etc. */
X    int squest;                 /* when this is positive, we have seen a ?
X                                   without the matching : in a <c>?<s>:<s>
X                                   construct */
X    register char *t_ptr;       /* used for copying tokens */
X    int type_code;              /* the type of token, returned by lexi */
X
X    int last_else = 0;          /* true iff last keyword was an else */
X    int ch;                     /* answer to Y/N prompt */
X
X    int just_saw_cc_cmnt = 0;   /* true if // comment was just emitted
X                                   (jrs 8jun92) */
X
X    /*-----------------------------------------------*\
X    |                INITIALIZATION                   |
X    \*-----------------------------------------------*/
X
X
X    ps.p_stack[0] = stmt;       /* this is the parser's stack */
X    ps.last_nl = true;          /* this is true if the last thing scanned was a
X                                   newline */
X    ps.last_token = semicolon;
X    combuf = (char *) malloc(bufsize);
X    labbuf = (char *) malloc(bufsize);
X    codebuf = (char *) malloc(bufsize);
X    l_com = combuf + bufsize - 5;
X    l_lab = labbuf + bufsize - 5;
X    l_code = codebuf + bufsize - 5;
X    combuf[0] = codebuf[0] = labbuf[0] = ' '; /* set up code, label, and
X                                                 comment buffers */
X    combuf[1] = codebuf[1] = labbuf[1] = '\0';
X    ps.else_if = 1;             /* Default else-if special processing to on */
X    s_lab = e_lab = labbuf + 1;
X    s_code = e_code = codebuf + 1;
X    s_com = e_com = combuf + 1;
X
X    buf_ptr = buf_end = in_buffer;
X    line_no = 1;
X    had_eof = ps.in_decl = ps.decl_on_line = break_comma = false;
X    sp_sw = force_nl = false;
X    ps.in_or_st = false;
X    ps.bl_line = true;
X    dec_ind = 0;
X    di_stack[ps.dec_nest = 0] = 0;
X    ps.want_blank = ps.in_stmt = ps.ind_stmt = false;
X    ps.cc_comment = 0;
X
X
X    scase = ps.pcase = false;
X    squest = 0;
X    sc_end = 0;
X    bp_save = 0;
X    be_save = 0;
X
X    output = NULL;
X
X
X
X    /*--------------------------------------------------*\
X    |                COMMAND LINE SCAN                   |
X    \*--------------------------------------------------*/
X
X#ifdef undef
X    max_col = 78;               /* -l78 */
X    lineup_to_parens = 1;       /* -lp */
X    ps.ljust_decl = 0;          /* -ndj */
X    ps.com_ind = 33;            /* -c33 */
X    star_comment_cont = 1;      /* -sc */
X    ps.ind_size = 8;            /* -i8 */
X    verbose = 0;
X    ps.decl_indent = 16;        /* -di16 */
X    ps.indent_parameters = 1;   /* -ip */
X    ps.decl_com_ind = 0;        /* if this is not set to some positive value by
X                                   an arg, we will set this equal to ps.com_ind */
X    btype_2 = 1;                /* -br */
X    btype_3 = 0;                /* not -brr */
X    cuddle_else = 1;            /* -ce */
X    ps.unindent_displace = 0;   /* -d0 */
X    ps.case_indent = 0;         /* -cli0 */
X    ps.case_code_indent = 1;    /* -cci1 */
X    format_col1_comments = 1;   /* -fc1 */
X    procnames_start_line = 1;   /* -psl */
X    proc_calls_space = 0;       /* -npcs */
X    parens_space = 0;           /* -nprs */
X    comment_delimiter_on_blankline = 1; /* -cdb */
X    ps.leave_comma = 1;         /* -nbc */
X#endif
X
X    for (i = 1; i < argc; ++i)
X        if (strcmp(argv[i], "-npro") == 0)
X            break;
X    set_defaults();
X    if (i >= argc)
X        set_profile();
X
X    for (i = 1; i < argc; ++i)
X    {
X
X        /*
X           look thru args (if any) for changes to defaults
X        */
X        if (argv[i][0] != '-')
X        {                       /* no flag on parameter */
X            if (input == NULL)
X            {                   /* we must have the input file */
X                in_name = argv[i];  /* remember name of input file */
X                input = fopen(in_name, "r");
X                if (input == NULL)
X                {               /* check for open error */
X                    fprintf(stderr, "indent: can't open %s\n", argv[i]);
X                    exit(1);
X                }
X                continue;
X            }
X            else if (output == NULL)
X            {                   /* we have the output file */
X                out_name = argv[i]; /* remember name of output file */
X                if (strcmp(in_name, out_name) == 0)
X                {               /* attempt to overwrite the file */
X                    fprintf(stderr, "indent: input and output files must be different\n");
X                    exit(1);
X                }
X                if (access(out_name, R_OK) == 0)
X                {
X                    fprintf(stderr, "Reformatting input file %s to produce output file %s\n",
X                            in_name, out_name);
X                    fprintf(stderr, "Output file %s exists; overwrite it? ", out_name);
X                    fflush(stderr);
X                    if ((ch = getchar()) != 'y' && ch != 'Y')
X                    {
X                        fprintf(stderr, "indent: can't create %s\n", argv[i]);
X                        exit(1);
X                    }
X                }
X                output = fopen(out_name, "w");
X                if (output == NULL)
X                {               /* check for create error */
X                    fprintf(stderr, "indent: can't create %s\n", argv[i]);
X                    exit(1);
X                }
X                continue;
X            }
X            fprintf(stderr, "indent: unknown parameter: %s\n", argv[i]);
X            exit(1);
X        }
X        else
X            set_option(argv[i]);
X    }                           /* end of for */
X    if (input == NULL)
X    {
X        fprintf(stderr, "indent: usage: indent file [ outfile ] [ options ]\n");
X        exit(1);
X    }
X    /* set -+ mode by default for .C */
X    if (!cplus)                 /* don't bother if explicit */
X    {
X        char *dot;
X
X        dot = in_name + strlen(in_name) - 2;
X        if ((dot > in_name) && (strcmp(dot, ".C") == 0))
X            set_option("-+");
X    }
X
X    if (output == NULL)
X        if (troff)
X            output = stdout;
X        else
X        {
X            out_name = in_name;
X            bakcopy();
X        }
X    if (ps.com_ind <= 1)
X        ps.com_ind = 2;         /* don't put normal comments before column 2 */
X    if (troff)
X    {
X        if (bodyf.font[0] == 0)
X            parsefont(&bodyf, "R");
X        if (scomf.font[0] == 0)
X            parsefont(&scomf, "I");
X        if (blkcomf.font[0] == 0)
X            blkcomf = scomf, blkcomf.size += 2;
X        if (boxcomf.font[0] == 0)
X            boxcomf = blkcomf;
X        if (stringf.font[0] == 0)
X            parsefont(&stringf, "L");
X        if (keywordf.font[0] == 0)
X            parsefont(&keywordf, "B");
X        writefdef(&bodyf, 'B');
X        writefdef(&scomf, 'C');
X        writefdef(&blkcomf, 'L');
X        writefdef(&boxcomf, 'X');
X        writefdef(&stringf, 'S');
X        writefdef(&keywordf, 'K');
X    }
X    if (block_comment_max_col <= 0)
X        block_comment_max_col = max_col;
X    if (ps.decl_com_ind <= 0)   /* if not specified by user, set this */
X        ps.decl_com_ind = ps.ljust_decl ? (ps.com_ind <= 10 ? 2 : ps.com_ind - 8) : ps.com_ind;
X    if (continuation_indent == 0)
X        continuation_indent = ps.ind_size;
X
X    if (tabsize <= 2)           /* If tab spacing is unreasonably small */
X        tabsize = 2;            /* force indent to use spaces instead. */
X    /* pad_output() will test this value. */
X
X    fill_buffer();              /* get first batch of stuff into input buffer */
X
X    parse(semicolon);
X    {
X        register char *p = buf_ptr;
X        register col = 1;
X
X        while (1)
X        {
X            if (*p == ' ')
X                col++;
X            else if (*p == '\t')
X                col += (tabsize - ((col - 1) % tabsize)); /* JHT 22oct89 */
X            else
X                break;
X            p++;
X        };
X        if (col > ps.ind_size)
X            ps.ind_level = ps.i_l_follow = col / ps.ind_size;
X    }
X    if (troff)
X    {
X        register char *p = in_name, *beg = in_name;
X
X        while (*p)
X            if (*p++ == '/')
X                beg = p;
X        fprintf(output, ".Fn \"%s\"\n", beg);
X    }
X    /*
X       START OF MAIN LOOP
X    */
X
X    while (1)
X    {                           /* this is the main loop.  it will go until we
X                                   reach eof */
X        int is_procname;
X
X        type_code = lexi();     /* lexi reads one token.  The actual characters
X                                   read are stored in "token". lexi returns a
X                                   code indicating the type of token */
X        is_procname = ps.procname[0];
X
X        /*
X           The following code moves everything following an if (), while (),
X           else, etc. up to the start of the following stmt to a buffer. This
X           allows proper handling of both kinds of brace placement.
X        */
X
X        flushed_nl = false;
X        while (ps.search_brace)
X        {                       /* if we scanned an if(), while(), etc., we
X                                   might need to copy stuff into a buffer we
X                                   must loop, copying stuff into save_com,
X                                   until we find the start of the stmt which
X                                   follows the if, or whatever */
X            switch (type_code)
X            {
X            case newline:
X                ++line_no;
X                flushed_nl = true;
X            case form_feed:
X                break;          /* form feeds and newlines found here will be
X                                   ignored */
X
X            case lbrace:       /* this is a brace that starts the compound
X                                   stmt */
X                if (sc_end == 0)
X                {               /* ignore buffering if a comment wasn't stored
X                                   up */
X                    ps.search_brace = false;
X                    goto check_type;
X                }
X                /* if (btype_2)        Bug notified by Steve Comen, 16 Mar 92 */
X                {
X                    save_com[0] = '{';  /* we either want to put the brace
X                                           right after the if */
X                    goto sw_buffer; /* go to common code to get out of this
X                                       loop */
X                }
X            case comment:      /* we have a comment, so we must copy it into
X                                   the buffer */
X                if (!flushed_nl || sc_end != 0)
X                {
X                    if (sc_end == 0)
X                    {           /* if this is the first comment, we must set up
X                                   the buffer */
X                        save_com[0] = save_com[1] = ' ';
X                        sc_end = &(save_com[2]);
X                    }
X                    else
X                    {
X                        *sc_end++ = '\n'; /* add newline between comments */
X                        *sc_end++ = ' ';
X                        --line_no;
X                    }
X                    *sc_end++ = '/';  /* copy in start of comment */
X                    *sc_end++ = '*';
X
X                    for (;;)
X                    {           /* loop until we get to the end of the comment */
X                        *sc_end = *buf_ptr++;
X                        if (buf_ptr >= buf_end)
X                            fill_buffer();
X
X                        if (*sc_end++ == '*' && *buf_ptr == '/')
X                            break;  /* we are at end of comment */
X
X                        if (sc_end >= &(save_com[sc_size]))
X                        {       /* check for temp buffer overflow */
X                            diag(1, "Internal buffer overflow - Move big comment from right after if, while, or whatever.");
X                            fflush(output);
X                            exit(1);
X                        }
X                    }
X                    *sc_end++ = '/';  /* add ending slash */
X                    if (++buf_ptr >= buf_end) /* get past / in buffer */
X                        fill_buffer();
X                    break;
X                }
X            case cc_commnt:    /* we have a comment, so we must copy it into
X                                   the buffer */
X                /* C++ comment */
X                if (!flushed_nl || sc_end != 0)
X                {
X                    if (sc_end == 0)
X                    {           /* if this is the first comment, we must set up
X                                   the buffer */
X                        save_com[0] = save_com[1] = ' ';
X                        sc_end = &(save_com[2]);
X                    }
X                    else
X                    {
X                        *sc_end++ = '\n'; /* add newline between comments */
X                        *sc_end++ = ' ';
X                        --line_no;
X                    }
X                    *sc_end++ = '/';  /* copy in start of comment */
X                    *sc_end++ = '/';
X
X                    for (;;)
X                    {           /* loop until we get to the end of the comment */
X                        *sc_end++ = *buf_ptr++;
X                        if (buf_ptr >= buf_end)
X                            fill_buffer();
X
X                        if (*buf_ptr == '\n')
X                            break;  /* we are at end of comment */
X
X                        if (sc_end >= &(save_com[sc_size]))
X                        {       /* check for temp buffer overflow */
X                            diag(1, "Internal buffer overflow - Move big comment from right after if, while, or whatever.");
X                            fflush(output);
X                            exit(1);
X                        }
X                    }
X                    if (++buf_ptr >= buf_end) /* eat '\n' */
X                        fill_buffer();
X                    break;
X                }
X            default:           /* it is the start of a normal statment */
X                if (flushed_nl) /* if we flushed a newline, make sure it is put
X                                   back */
X                    force_nl = true;
X                if (type_code == sp_paren && *token == 'i'
X                    && last_else && ps.else_if
X                    || type_code == sp_nparen && *token == 'e'
X                    && e_code != s_code && e_code[-1] == '}')
X                    force_nl = false;
X
X                if (just_saw_cc_cmnt)           /* jrs 8jun92 */
X                {                               /* jrs 8jun92 */
X                    force_nl = true;            /* jrs 8jun92 */
X                    just_saw_cc_cmnt = false;   /* jrs 8jun92 */
X                }                               /* jrs 8jun92 */
X
X                if (sc_end == 0)
X                {               /* ignore buffering if comment wasnt saved up */
X                    ps.search_brace = false;
X                    goto check_type;
X                }
X                if (force_nl)
X                {               /* if we should insert a nl here, put it into
X                                   the buffer */
X                    force_nl = false;
X                    --line_no;  /* this will be re-increased when the nl is
X                                   read from the buffer */
X                    *sc_end++ = '\n';
X                    *sc_end++ = ' ';
X                    if (verbose && !flushed_nl) /* print error msg if the line
X                                                   was not already broken */
X                        diag(0, "Line broken");
X                    flushed_nl = false;
X                }
X                for (t_ptr = token; *t_ptr; ++t_ptr)
X                    *sc_end++ = *t_ptr; /* copy token into temp buffer */
X                ps.procname[0] = 0;
X
X        sw_buffer:
X                ps.search_brace = false;  /* stop looking for start of stmt */
X                bp_save = buf_ptr;  /* save current input buffer */
X                be_save = buf_end;
X                buf_ptr = save_com; /* fix so that subsequent calls to lexi
X                                       will take tokens out of save_com */
X                *sc_end++ = ' ';/* add trailing blank, just in case */
X                buf_end = sc_end;
X                sc_end = 0;
X                break;
X            }                   /* end of switch */
X
X            just_saw_cc_cmnt = type_code == cc_commnt; /* jrs 8jun92 */
X
X            if (type_code != 0) /* we must make this check, just in case there
X                                   was an unexpected EOF */
X                type_code = lexi(); /* read another token */
X            /* if (ps.search_brace) ps.procname[0] = 0; */
X            if ((is_procname = ps.procname[0]) && flushed_nl
X                && !procnames_start_line && ps.in_decl
X                && type_code == ident)
X                flushed_nl = 0;
X        }                       /* end of while (search_brace) */
X        last_else = 0;
Xcheck_type:
X        if (type_code == 0)
X        {                       /* we got eof */
X            if (s_lab != e_lab || s_code != e_code
X                || s_com != e_com)  /* must dump end of line */
X                dump_line();
X            if (ps.tos > 1)     /* check for balanced braces */
X                diag(1, "Stuff missing from end of file.");
X
X            if (verbose)
X            {
X                printf("There were %d output lines and %d comments\n",
X                       ps.out_lines, ps.out_coms);
X                printf("(Lines with comments)/(Lines with code): %6.3f\n",
X                       (1.0 * ps.com_lines) / code_lines);
X            }
X            fflush(output);
X            exit(found_err);
X        }
X        if (
X            (type_code != comment) &&
X            (type_code != cc_commnt) &&
X            (type_code != newline) &&
X            (type_code != preesc) &&
X            (type_code != form_feed))
X        {
X            if (force_nl &&
X                (type_code != semicolon) &&
X                (type_code != lbrace || btype_3 || !btype_2))
X            {
X                /* we should force a broken line here */
X                if (verbose && !flushed_nl)
X                    diag(0, "Line broken");
X                flushed_nl = false;
X                dump_line();
X                ps.want_blank = false;  /* dont insert blank at line start */
X                force_nl = false;
X            }
X            ps.in_stmt = true;  /* turn on flag which causes an extra level of
X                                   indentation. this is turned off by a ; or
X                                   '}' */
X            if (s_com != e_com)
X            {                   /* the turkey has embedded a comment in a line.
X                                   fix it */
X                *e_code++ = ' ';
X                for (t_ptr = s_com; *t_ptr; ++t_ptr)
X                {
X                    check_size(code);
X                    *e_code++ = *t_ptr;
X                }
X                *e_code++ = ' ';
X                *e_code = '\0'; /* null terminate code sect */
X                ps.want_blank = false;
X                e_com = s_com;
X            }
X        }
X        else if (type_code != comment && type_code != cc_commnt)
X            /* preserve force_nl thru a comment */
X            force_nl = false;   /* cancel forced newline after newline, form
X                                   feed, etc */
X
X
X
X        /*-----------------------------------------------------*\
X        |         do switch on type of token scanned            |
X        \*-----------------------------------------------------*/
X
X        check_size(code);
X        switch (type_code)
X        {                       /* now, decide what to do with the token */
X
X        case form_feed:        /* found a form feed in line */
X            ps.use_ff = true;   /* a form feed is treated much like a newline */
X            dump_line();
X            ps.want_blank = false;
X            break;
X
X        case newline:
X            if (ps.last_token != comma || ps.p_l_follow > 0
X                || !ps.leave_comma || ps.block_init || !break_comma || s_com != e_com)
X            {
X                dump_line();
X                ps.want_blank = false;
X            }
X            ++line_no;          /* keep track of input line number */
X            break;
X
X        case lparen:           /* got a '(' or '[' */
X            ++ps.p_l_follow;    /* count parens to make Healy happy */
X            if (ps.want_blank && *token != '[' &&
X                (ps.last_token != ident || proc_calls_space
X               || (ps.its_a_keyword && (!ps.sizeof_keyword || Bill_Shannon))))
X                *e_code++ = ' ';
X            if (ps.in_decl && !ps.block_init)
X                if (troff && !ps.dumped_decl_indent && !is_procname && ps.last_token == decl)
X                {
X                    ps.dumped_decl_indent = 1;
X                    sprintf(e_code, "\n.Du %dp+\200p \"%s\"\n", dec_ind * 7, token);
X                    e_code += strlen(e_code);
X                }
X                else
X                {
X                    while ((e_code - s_code) < dec_ind)
X                    {
X                        check_size(code);
X                        *e_code++ = ' ';
X                    }
X                    *e_code++ = token[0];
X                }
X            else
X                *e_code++ = token[0];
X            if (parens_space && *token != '[')
X                *e_code++ = ' ';
X            ps.paren_indents[ps.p_l_follow - 1] = (short) (e_code - s_code);
X            if (sp_sw && ps.p_l_follow == 1 && extra_expression_indent
X                && ps.paren_indents[0] < (short) (2 * ps.ind_size))
X                ps.paren_indents[0] = (short) (2 * ps.ind_size);
X            ps.want_blank = false;
X            if (ps.in_or_st && *token == '(' && ps.tos <= 2)
X            {
X                /*
X                   this is a kluge to make sure that declarations will be
X                   aligned right if proc decl has an explicit type on it, i.e.
X                   "int a(x) {..."
X                */
X                parse(semicolon); /* I said this was a kluge... */
X                ps.in_or_st = false;  /* turn off flag for structure decl or
X                                         initialization */
X            }
X            if (ps.sizeof_keyword)
X                ps.sizeof_mask |= 1 << ps.p_l_follow;
X            break;
X
X        case rparen:           /* got a ')' or ']' */
X            if (ps.cast_mask & (1 << ps.p_l_follow) & ~ps.sizeof_mask)
X            {
X                ps.last_u_d = true;
X                ps.cast_mask &= (1 << ps.p_l_follow) - 1;
X            }
X            ps.sizeof_mask &= (1 << ps.p_l_follow) - 1;
X            if (--ps.p_l_follow < 0)
X            {
X                ps.p_l_follow = 0;
X                diag(0, "Extra %c", *token);
X            }
X            if (e_code == s_code) /* if the paren starts the line */
X                ps.paren_level = ps.p_l_follow; /* then indent it */
X
X            if (parens_space && *token != ']')
X                *e_code++ = ' ';
X            *e_code++ = token[0];
X            ps.want_blank = true;
X
X            if (sp_sw && (ps.p_l_follow == 0))
X            {                   /* check for end of if (...), or some such */
X                sp_sw = false;
X                force_nl = true;/* must force newline after if */
X                ps.last_u_d = true; /* inform lexi that a following operator is
X                                       unary */
X                ps.in_stmt = false; /* dont use stmt continuation indentation */
X
X                parse(hd_type); /* let parser worry about if, or whatever */
X            }
X            ps.search_brace = btype_2 && !btype_3;
X            /*
X               this should insure that constructs such as main(){...} and
X               int[]{...} have their braces put in the right place
X            */
X            break;
X
X        case unary_op:         /* this could be any unary operation */
X            if (ps.want_blank)
X                *e_code++ = ' ';
X
X            if (troff && !ps.dumped_decl_indent && ps.in_decl && !is_procname)
X            {
X                sprintf(e_code, "\n.Du %dp+\200p \"%s\"\n", dec_ind * 7, token);
X                ps.dumped_decl_indent = 1;
X                e_code += strlen(e_code);
X            }
X            else
X            {
X                char *res = token;
X
X                if (ps.in_decl && !ps.block_init)
X                {               /* if this is a unary op in a declaration, we
X                                   should indent this token */
X                    for (i = 0; token[i]; ++i); /* find length of token */
X                    while ((e_code - s_code) < (dec_ind - i))
X                    {
X                        check_size(code);
X                        *e_code++ = ' ';  /* pad it */
X                    }
X                }
X                if (troff && token[0] == '-' && token[1] == '>')
X                    res = "\\(->";
X                for (t_ptr = res; *t_ptr; ++t_ptr)
X                {
X                    check_size(code);
X                    *e_code++ = *t_ptr;
X                }
X            }
X            ps.want_blank = false;
X            break;
X
X        case binary_op:        /* any binary operation */
X
X            if (ps.want_blank)
X                *e_code++ = ' ';
X            {
X                char *res = token;
X
X                if (troff)
X                    switch (token[0])
X                    {
X                    case '<':
X                        if (token[1] == '=')
X                            res = "\\(<=";
X                        break;
X                    case '>':
X                        if (token[1] == '=')
X                            res = "\\(>=";
X                        break;
X                    case '!':
X                        if (token[1] == '=')
X                            res = "\\(!=";
X                        break;
X                    case '|':
X                        if (token[1] == '|')
X                            res = "\\(br\\(br";
X                        else if (token[1] == 0)
X                            res = "\\(br";
X                        break;
X                    }
X                for (t_ptr = res; *t_ptr; ++t_ptr)
X                {
X                    check_size(code);
X                    *e_code++ = *t_ptr; /* move the operator */
X                }
X            }
X            ps.want_blank = true;
X            break;
X
X        case postop:           /* got a trailing ++ or -- */
X            *e_code++ = token[0];
X            *e_code++ = token[1];
X            ps.want_blank = true;
X            break;
X
X        case question:         /* got a ? */
X            squest++;           /* this will be used when a later colon appears
X                                   so we can distinguish the <c>?<n>:<n>
X                                   construct */
X            if (ps.want_blank)
X                *e_code++ = ' ';
X            *e_code++ = '?';
X            ps.want_blank = true;
X            break;
X
X        case casestmt:         /* got word 'case' or 'default' */
X            scase = true;       /* so we can process the later colon properly */
X            goto copy_id;
X
X        case privpub:          /* got public, private or protected */
X            strcpy(s_lab, token);
X            e_lab = s_lab + strlen(token);
X            *e_lab++ = ':';
X            *e_lab++ = ' ';
X            *e_lab = '\0';
X            force_nl = true;
X            break;
X
X        case colon:            /* got a ':' */
X            if (squest > 0)
X            {                   /* it is part of the <c>?<n>: <n> construct */
X                --squest;
X                if (ps.want_blank)
X                    *e_code++ = ' ';
X                *e_code++ = ':';
X                ps.want_blank = true;
X                break;
X            }
X            if (ps.in_decl)
X            {
X                if (cplus)      /* assume public, private, or protected */
X                {
X                    for (t_ptr = s_code; *t_ptr; ++t_ptr)
X                        *e_lab++ = *t_ptr;  /* turn everything so far into a
X                                               label */
X                    e_code = s_code;
X                    *e_lab++ = ':';
X                    *e_lab++ = ' ';
X                    *e_lab = '\0';
X                    force_nl = true;
X                    scase = false;
X                    ps.pcase = true;
X                    break;
X                }
X                *e_code++ = ':';
X                ps.want_blank = false;
X                break;
X            }
X            ps.in_stmt = false; /* seeing a label does not imply we are in a
X                                   stmt */
X            for (t_ptr = s_code; *t_ptr; ++t_ptr)
X                *e_lab++ = *t_ptr;  /* turn everything so far into a label */
X            e_code = s_code;
X            *e_lab++ = ':';
X            *e_lab++ = ' ';
X            *e_lab = '\0';
X
X            force_nl = ps.pcase = scase;  /* ps.pcase will be used by dump_line
X                                             to decide how to indent the label.
X                                             force_nl will force a case n: to
X                                             be on a line by itself */
X            scase = false;
X            ps.want_blank = false;
X            break;
X
X        case semicolon:        /* got a ';' */
X            ps.in_or_st = false;/* we are not in an initialization or structure
X                                   declaration */
X            scase = false;      /* these will only need resetting in a error */
X            squest = 0;
X            if (ps.last_token == rparen)
X                ps.in_parameter_declaration = 0;
X            ps.cast_mask = 0;
X            ps.sizeof_mask = 0;
X            ps.block_init = 0;
X            ps.block_init_level = 0;
X            ps.just_saw_decl--;
X
X            if (ps.in_decl && s_code == e_code && !ps.block_init)
X                while ((e_code - s_code) < (dec_ind - 1))
X                {
X                    check_size(code);
X                    *e_code++ = ' ';
X                }
X
X            ps.in_decl = (ps.dec_nest > 0); /* if we were in a first level
X                                               structure declaration, we arent
X                                               any more */
X
X            if ((!sp_sw || hd_type != forstmt) && ps.p_l_follow > 0)
X            {
X
X                /*
X                   This should be true iff there were unbalanced parens in the
X                   stmt.  It is a bit complicated, because the semicolon might
X                   be in a for stmt
X                */
X                diag(1, "Unbalanced parens");
X                ps.p_l_follow = 0;
X                if (sp_sw)
X                {               /* this is a check for a if, while, etc. with
X                                   unbalanced parens */
X                    sp_sw = false;
X                    parse(hd_type); /* dont lose the if, or whatever */
X                }
X            }
X            *e_code++ = ';';
X            ps.want_blank = true;
X            ps.in_stmt = (ps.p_l_follow > 0); /* we are no longer in the middle
X                                                 of a stmt */
X
X            if (!sp_sw)
X            {                   /* if not if for (;;) */
X                parse(semicolon); /* let parser know about end of stmt */
X                force_nl = true;/* force newline after a end of stmt */
X            }
X            break;
X
X        case lbrace:           /* got a '{' */
X            ps.in_stmt = false; /* dont indent the {} */
X            if (!ps.block_init)
X                force_nl = true;/* force other stuff on same line as '{' onto
X                                   new line */
X            else if (ps.block_init_level <= 0)
X                ps.block_init_level = 1;
X            else
X                ps.block_init_level++;
X
X            if (s_code != e_code && !ps.block_init)
X            {
X                if (btype_3 || !btype_2)
X                {
X                    dump_line();
X                    ps.want_blank = false;
X                }
X                else if (ps.in_parameter_declaration && !ps.in_or_st)
X                {
X                    ps.i_l_follow = 0;
X                    dump_line();
X                    ps.want_blank = false;
X                }
X            }
X            if (ps.in_parameter_declaration)
X                prefix_blankline_requested = 0;
X
X            if (ps.p_l_follow > 0)
X            {                   /* check for preceeding unbalanced parens */
X                diag(1, "Unbalanced parens");
X                ps.p_l_follow = 0;
X                if (sp_sw)
X                {               /* check for unclosed if, for, etc. */
X                    sp_sw = false;
X                    parse(hd_type);
X                    ps.ind_level = ps.i_l_follow;
X                }
X            }
X            if (btype_3)
X                ps.ind_stmt = true;
X            else if (s_code == e_code)
X                ps.ind_stmt = false;  /* dont put extra indentation on line
X                                         with '{' */
X            if (ps.in_decl && ps.in_or_st)
X            {                   /* this is either a structure declaration or an
X                                   init */
X                di_stack[ps.dec_nest++] = dec_ind;
X                /* ?        dec_ind = 0; */
X            }
X            else
X            {
X                ps.decl_on_line = false;  /* we cant be in the middle of a
X                                             declaration, so dont do special
X                                             indentation of comments */
X                if (blanklines_after_declarations_at_proctop
X                    && ps.in_parameter_declaration)
X                    postfix_blankline_requested = 1;
X                ps.in_parameter_declaration = 0;
X            }
X            dec_ind = 0;
X            parse(lbrace);      /* let parser know about this */
X            if (ps.want_blank)  /* put a blank before '{' if '{' is not at
X                                   start of line */
X                *e_code++ = ' ';
X            ps.want_blank = false;
X            *e_code++ = '{';
X            ps.just_saw_decl = 0;
X            break;
X
X        case rbrace:           /* got a '}' */
X            if (ps.p_stack[ps.tos] == decl && !ps.block_init) /* semicolons can be
X                                                                 omitted in
X                                                                 declarations */
X                parse(semicolon);
X            if (ps.p_l_follow)
X            {                   /* check for unclosed if, for, else. */
X                diag(1, "Unbalanced parens");
X                ps.p_l_follow = 0;
X                sp_sw = false;
X            }
X            ps.just_saw_decl = 0;
X            ps.block_init_level--;
X            if (s_code != e_code && !ps.block_init)
X            {                   /* '}' must be first on line */
X                if (verbose)
X                    diag(0, "Line broken");
X                dump_line();
X            }
X            *e_code++ = '}';
X            ps.want_blank = true;
X            ps.in_stmt = ps.ind_stmt = false;
X            if (ps.dec_nest > 0)
X            {                   /* we are in multi-level structure declaration */
X                dec_ind = di_stack[--ps.dec_nest];
X                if (ps.dec_nest == 0 && !ps.in_parameter_declaration)
X                    ps.just_saw_decl = 2;
X                ps.in_decl = true;
X            }
X            prefix_blankline_requested = 0;
X            parse(rbrace);      /* let parser know about this */
X            ps.search_brace = cuddle_else && ps.p_stack[ps.tos] == ifhead
X                && ps.il[ps.tos] >= ps.ind_level;
X            if (ps.tos <= 1 && blanklines_after_procs && ps.dec_nest <= 0)
X                postfix_blankline_requested = 1;
X            if (btype_3 && ps.p_stack[ps.tos] == dohead)
X            {
X                if (verbose)
X                    diag(0, "Line broken");
X                dump_line();
X                ps.want_blank = false;
X            }
X            break;
X
X        case swstmt:           /* got keyword "switch" */
X            sp_sw = true;
X            hd_type = swstmt;   /* keep this for when we have seen the
X                                   expression */
X            goto copy_id;       /* go move the token into buffer */
X
X        case sp_paren:         /* token is if, while, for */
X            sp_sw = true;       /* the interesting stuff is done after the
X                                   expression is scanned */
X            hd_type = (*token == 'i' ? ifstmt :
X                       (*token == 'w' ? whilestmt : forstmt));
X
X            /*
X               remember the type of header for later use by parser
X            */
X            goto copy_id;       /* copy the token into line */
X
X        case sp_nparen:        /* got else, do */
X            ps.in_stmt = false;
X            if (*token == 'e')
X            {
X                if (e_code != s_code && (!cuddle_else || e_code[-1] != '}'))
X                {
X                    if (verbose)
X                        diag(0, "Line broken");
X                    dump_line();/* make sure this starts a line */
X                    ps.want_blank = false;
X                }
X                force_nl = true;/* also, following stuff must go onto new line */
X                last_else = 1;
X                parse(elselit);
X            }
X            else
X            {
X                if (e_code != s_code)
X                {               /* make sure this starts a line */
X                    if (verbose)
X                        diag(0, "Line broken");
X                    dump_line();
X                    ps.want_blank = false;
X                }
X                force_nl = true;/* also, following stuff must go onto new line */
X                last_else = 0;
X                parse(dolit);
X            }
X            goto copy_id;       /* move the token into line */
X
X        case decl:             /* we have a declaration type (int, register,
X                                   etc.) */
X            parse(decl);        /* let parser worry about indentation */
X            if (ps.last_token == rparen && ps.tos <= 1)
X            {
X                ps.in_parameter_declaration = 1;
X                if (s_code != e_code)
X                {
X                    dump_line();
X                    ps.want_blank = 0;
X                }
X            }
X            if (ps.in_parameter_declaration && ps.indent_parameters && ps.dec_nest == 0)
X            {
X                ps.ind_level = ps.i_l_follow = 1;
X                ps.ind_stmt = 0;
X            }
X            ps.in_or_st = true; /* this might be a structure or initialization
X                                   declaration */
X            ps.in_decl = ps.decl_on_line = true;
X            if ( /* !ps.in_or_st && */ ps.dec_nest <= 0)
X                ps.just_saw_decl = 2;
X            prefix_blankline_requested = 0;
X            for (i = 0; token[i++];); /* get length of token */
X
X            /*
X               dec_ind = e_code - s_code + (ps.decl_indent>i ? ps.decl_indent :
X               i);
X            */
X            dec_ind = ps.decl_indent > 0 ? ps.decl_indent : i;
X            goto copy_id;
X
X        case ident:            /* got an identifier or constant */
X            if (ps.in_decl)
X            {                   /* if we are in a declaration, we must indent
X                                   identifier */
X                if (ps.want_blank)
X                    *e_code++ = ' ';
X                ps.want_blank = false;
X                if (is_procname == 0 || !procnames_start_line)
X                {
X                    if (!ps.block_init)
X                        if (troff && !ps.dumped_decl_indent)
X                        {
X                            sprintf(e_code, "\n.De %dp+\200p\n", dec_ind * 7);
X                            ps.dumped_decl_indent = 1;
X                            e_code += strlen(e_code);
X                        }
X                        else
X                            while ((e_code - s_code) < dec_ind)
X                            {
X                                check_size(code);
X                                *e_code++ = ' ';
X                            }
X                }
X                else
X                {
X                    if (dec_ind && s_code != e_code)
X                        dump_line();
X                    dec_ind = 0;
X                    ps.want_blank = false;
X                }
X            }
X            else if (sp_sw && ps.p_l_follow == 0)
X            {
X                sp_sw = false;
X                force_nl = true;
X                ps.last_u_d = true;
X                ps.in_stmt = false;
X                parse(hd_type);
X            }
X    copy_id:
X            if (ps.want_blank)
X                *e_code++ = ' ';
X            if (troff && ps.its_a_keyword)
X            {
X                e_code = chfont(&bodyf, &keywordf, e_code);
X                for (t_ptr = token; *t_ptr; ++t_ptr)
X                {
X                    check_size(code);
X                    *e_code++ = keywordf.allcaps && islower(*t_ptr)
X                        ? (char) toupper(*t_ptr) : *t_ptr;
X                }
X                e_code = chfont(&keywordf, &bodyf, e_code);
X            }
X            else
X                for (t_ptr = token; *t_ptr; ++t_ptr)
X                {
X                    check_size(code);
X                    *e_code++ = *t_ptr;
X                }
X            ps.want_blank = true;
X            break;
X
X        case period:           /* treat a period kind of like a binary
X                                   operation */
X            *e_code++ = '.';    /* move the period into line */
X            ps.want_blank = false;  /* dont put a blank after a period */
X            break;
X
X        case comma:
X            ps.want_blank = (s_code != e_code); /* only put blank after comma
X                                                   if comma does not start the
X                                                   line */
X            if (ps.in_decl && is_procname == 0 && !ps.block_init)
X                while ((e_code - s_code) < (dec_ind - 1))
X                {
X                    check_size(code);
X                    *e_code++ = ' ';
X                }
X
X            *e_code++ = ',';
X            if (ps.p_l_follow == 0)
X            {
X                if (ps.block_init_level <= 0)
X                    ps.block_init = 0;
X                if (break_comma && !ps.leave_comma)
X                    force_nl = true;
X            }
X            break;
X
X        case preesc:           /* got the character '#' */
X            if ((s_com != e_com) ||
X                (s_lab != e_lab) ||
X                (s_code != e_code))
X                dump_line();
X            *e_lab++ = '#';     /* move whole line to 'label' buffer */
X            {
X                int in_comment = 0;
X                int com_start = 0;
X                char quote = 0;
X                int com_end = 0;
X
X                while (*buf_ptr != '\n' || in_comment)
X                {
X                    check_size(lab);
X                    *e_lab = *buf_ptr++;
X                    if (buf_ptr >= buf_end)
X                        fill_buffer();
X                    switch (*e_lab++)
X                    {
X                    case BACKSLASH:
X                        if (troff)
X                            *e_lab++ = BACKSLASH;
X                        if (!in_comment)
X                        {
X                            *e_lab++ = *buf_ptr++;
X                            if (buf_ptr >= buf_end)
X                                fill_buffer();
X                        }
X                        break;
X                    case '/':
X                        if (*buf_ptr == '*' && !in_comment && !quote)
X                        {
X                            in_comment = 1;
X                            *e_lab++ = *buf_ptr++;
X                            com_start = e_lab - s_lab - 2;
X                        }
X                        else if (*buf_ptr == '/' && !in_comment && !quote)
X                        {
X                            in_comment = 2;
X                            *e_lab++ = *buf_ptr++;
X                            com_start = e_lab - s_lab - 2;
X                        }
X                        break;
X                    case '"':
X                        if (quote == '"')
X                            quote = 0;
X                        break;
X                    case '\'':
X                        if (quote == '\'')
X                            quote = 0;
X                        break;
X                    case '*':
X                        if (*buf_ptr == '/' && in_comment == 1)
X                        {
X                            in_comment = 0;
X                            *e_lab++ = *buf_ptr++;
X                            com_end = e_lab - s_lab;
X                        }
X                        break;
X                    case '\n':
X                        if (in_comment == 2)
X                        {
X                            in_comment = 0;
X                            --buf_ptr;  /* so while loop will exit */
X                            com_end = e_lab - s_lab;
X                        }
X                        break;
X                    }
X                }
X
X                while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
X                    e_lab--;
X                if (e_lab - s_lab == com_end && bp_save == 0)
X                {               /* comment on preprocessor line */
X                    if (sc_end == 0)  /* if this is the first comment, we must
X                                         set up the buffer */
X                        sc_end = &(save_com[0]);
X                    else
X                    {
X                        *sc_end++ = '\n'; /* add newline between comments */
X                        *sc_end++ = ' ';
X                        --line_no;
X                    }
X#ifdef BSD                      /* gst 24 Mar 89 */
X                    bcopy(s_lab + com_start, sc_end, com_end - com_start);
X#else
X                    memcpy(sc_end, s_lab + com_start, com_end - com_start);
X#endif
X                    sc_end += com_end - com_start;
X                    if (sc_end >= &save_com[sc_size])
X                        abort();
X                    e_lab = s_lab + com_start;
X                    while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
X                        e_lab--;
X                    bp_save = buf_ptr;  /* save current input buffer */
X                    be_save = buf_end;
X                    buf_ptr = save_com; /* fix so that subsequent calls to lexi
X                                           will take tokens out of save_com */
X                    *sc_end++ = ' ';  /* add trailing blank, just in case */
X                    buf_end = sc_end;
X                    sc_end = 0;
X                }
X                *e_lab = '\0';  /* null terminate line */
X                ps.pcase = false;
X            }
X
X            if (strncmp(s_lab, "#if", 3) == 0)
X            {
X                if (blanklines_around_conditional_compilation)
X                {
X                    register c;
X
X                    prefix_blankline_requested++;
X                    while ((c = getc(input)) == '\n');
X                    ungetc(c, input);
X                }
X                if (ifdef_level < sizeof state_stack / sizeof state_stack[0])
X                {
X                    match_state[ifdef_level].tos = -1;
X                    state_stack[ifdef_level++] = ps;
X                }
X                else
X                    diag(1, "#if stack overflow");
X            }
X            else if (strncmp(s_lab, "#else", 5) == 0)
X                if (ifdef_level <= 0)
X                    diag(1, "Unmatched #else");
X                else
X                {
X                    match_state[ifdef_level - 1] = ps;
X                    ps = state_stack[ifdef_level - 1];
X                }
X            else if (strncmp(s_lab, "#endif", 6) == 0)
X            {
X                if (ifdef_level <= 0)
X                    diag(1, "Unmatched #endif");
X                else
X                {
X                    ifdef_level--;
X
X#ifdef undef
X                    /*
X                       This match needs to be more intelligent before the
X                       message is useful
X                    */
X                    if (match_state[ifdef_level].tos >= 0
X                        && bcmp(&ps, &match_state[ifdef_level], sizeof ps))
X                        diag(0, "Syntactically inconsistent #ifdef alternatives.");
X#endif
X                }
X                if (blanklines_around_conditional_compilation)
X                {
X                    postfix_blankline_requested++;
X                    n_real_blanklines = 0;
X                }
X            }
X            break;              /* subsequent processing of the newline
X                                   character will cause the line to be printed */
X
X        case cc_commnt:        /* we have gotten a //  this is a biggie */
X        case comment:          /* we have gotten a /*  this is a biggie */
X
X            if (flushed_nl)
X            {                   /* we should force a broken line here */
X                flushed_nl = false;
X                dump_line();
X                ps.want_blank = false;  /* dont insert blank at line start */
X                force_nl = false;
X            }
X            pr_comment();
X            /*
X               pr_comment()'s parsing sequence for a C++ comment is quite
X               different from that for a standard comment.  Without the
X               following test a C++ comment causes the next line to be
X               formatted with an extra blank space before the code or to be
X               preceded by an extra blank line.       jrs 12 mar 92
X
X               (I haven't checked, but there's a good chance that fixing
X               the abovementioned bug introduced another one.  For a while,
X               indent would swallow the next statement after a sequence
X               such as } // this type of comment.  jrs 15jun92)
X            */
X            if (type_code == cc_commnt) /* jrs 12 Mar 92 */
X                force_nl = ps.want_blank = false; /* jrs 12 Mar 92 */
X            break;
X        }                       /* end of big switch stmt */
X
X        *e_code = '\0';         /* make sure code section is null terminated */
X        if (type_code != comment && type_code != newline && type_code != preesc && type_code != cc_commnt)
X            ps.last_token = type_code;
X    }                           /* end of main while (1) loop */
X}
X
X/*
X * copy input file to backup file if in_name is /blah/blah/blah/file, then
X * backup file will be ".Bfile" then make the backup file the input and
X * original input file the output
X */
X#ifdef ANSIC
Xstatic void bakcopy(void)
X#else
Xbakcopy()
X#endif
X{
X#ifdef OS2
X    int fat = 0;                /* File system type = FAT? */
X    char *q;
X
X#endif
X    int n, bakchn;
X
X/*  char        buff[8 * 1024];        Ouch!  Such a big stack!
X    Let's allocate a buffer from the heap instead .... jrs 12 Mar 92 */
X
X    char *buff;
X
X# define COPY_BUFFER_SIZE 8*1024
X    register char *p;
X
X    if ((buff = (char *) malloc(COPY_BUFFER_SIZE)) == NULL)
X    {
X        fprintf(stderr, "indent: no memory for backup file copy buffer");
X        exit(1);
X    }
X
X    /* construct file name .Bfile */
X
X#ifdef OS2                      /* or MSDOS */
X# ifndef __32BIT__              /* then must be OS/2 1.x or MSDOS */
X#   define DosQueryFSAttach(a,b,c,d,e) DosQFSAttach(a,b,c,(BYTE *)d,e,0L)
X#   define DosQueryCurrentDisk DosQCurDisk
X#   define PARAM_T USHORT
X
X    DosGetMachineMode(&buff[0]);
X    if (buff[0] == MODE_REAL)   /* DOS can only handle FAT */
X        fat = 1;
X# else
X#   define PARAM_T ULONG
X# endif
X
X    if (!fat)
X    {
X        PARAM_T DriveNumber, cbData;
X        ULONG DriveMap;
X        struct fsqb
X        {
X# ifdef __32BIT__
X            FSQBUFFER2 bData;
X# else
X            FSQBUFFER bData;
X# endif
X            BYTE filler[60];
X        }
X            fsq;
X
X        cbData = sizeof fsq;
X        if (isalpha(in_name[0]) && in_name[1] == ':')
X            DriveNumber = toupper(in_name[0]) - '@';
X        else
X            DosQueryCurrentDisk(&DriveNumber, &DriveMap);
X
X        if (DosQueryFSAttach(NULL, DriveNumber, FSAIL_DRVNUMBER,
X                             &fsq.bData, &cbData))
X            fat = 0;
X        else
X            fat = !strcmp(&fsq.bData.szFSDName[fsq.bData.cbName], "FAT");
X    }
X
X    for (p = strcpy(bakfile, in_name); *p; ++p);  /* skip to end of string */
X    while (p > bakfile && *p != '/' && *p != '\\')
X        p--;
X    if (*p == '/' || *p == '\\')
X        p++;
X    if (fat && (q = strchr(p, '.')) != NULL)
X        *q = '\0';
X    strcat(bakfile, ".BAK");
X
X#else                           /* it isn't MSDOS or OS/2 */
X
X    for (p = in_name; *p; p++); /* skip to end of string */
X    while (p > in_name && *p != '/')  /* find last '/' */
X        p--;
X    if (*p == '/')
X        p++;
X
X    sprintf(bakfile, "%s.BAK", p);
X
X#endif
X
X    /* copy in_name to backup file */
X    bakchn = creat(bakfile, 0600);
X    if (bakchn < 0)
X    {
X        fprintf(stderr, "indent: can't create backup file \"%s\"\n", bakfile);
X        exit(1);
X    }
X    while (n = read(fileno(input), buff, COPY_BUFFER_SIZE))
X        if (write(bakchn, buff, n) != n)
X        {
X            fprintf(stderr, "indent: error writing backup file \"%s\"\n",
X                    bakfile);
X            exit(1);
X        }
X    if (n < 0)
X    {
X        fprintf(stderr, "indent: error reading input file \"%s\"\n", in_name);
X        exit(1);
X    }
X    close(bakchn);
X    fclose(input);
X
X    free(buff);
X
X    /* re-open backup file as the input file */
X    input = fopen(bakfile, "r");
X    if (input == NULL)
X    {
X        fprintf(stderr, "indent: can't re-open backup file\n");
X        exit(1);
X    }
X    /* now the original input file will be the output */
X    output = fopen(in_name, "w");
X    if (output == NULL)
X    {
X        fprintf(stderr, "indent: can't create %s\n", in_name);
X        unlink(bakfile);
X        exit(1);
X    }
X}
END_OF_FILE
  if test 57244 -ne `wc -c <'indent.c'`; then
    echo shar: \"'indent.c'\" unpacked with wrong size!
  fi
  # end of 'indent.c'
fi
if test -f 'indent.def' -a "${1}" != "-c" ; then
  echo shar: Will not clobber existing file \"'indent.def'\"
else
  echo shar: Extracting \"'indent.def'\" \(50 characters\)
  sed "s/^X//" >'indent.def' <<'END_OF_FILE'
XName Indent WindowCompat NewFiles
Xstacksize 12000
END_OF_FILE
  if test 50 -ne `wc -c <'indent.def'`; then
    echo shar: \"'indent.def'\" unpacked with wrong size!
  fi
  # end of 'indent.def'
fi
echo shar: End of archive 2 \(of 4\).
cp /dev/null ark2isdone
MISSING=""
for I in 1 2 3 4 ; do
    if test ! -f ark${I}isdone ; then
    MISSING="${MISSING} ${I}"
    fi
done
if test "${MISSING}" = "" ; then
    echo You have unpacked all 4 archives.
    rm -f ark[1-9]isdone
else
    echo You still must unpack the following archives:
    echo "        " ${MISSING}
fi
exit 0
exit 0 # Just in case...