runit.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 583 行 · 第 1/2 页

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  Built-in builder commands.
*
****************************************************************************/


#include <string.h>
#include <ctype.h>
#include <time.h>
#include <stdlib.h>
#include <sys/stat.h>
#ifdef __UNIX__
    #include <utime.h>
    #include <unistd.h>
    #include <dirent.h>
#else
    #include <sys/utime.h>
    #include <direct.h>
    #include <dos.h>
#endif
#include "watcom.h"
#include "builder.h"
#include "pmake.h"

#define BSIZE   256
#define SCREEN  79
const char      Equals[] =      "========================================"\
                                "========================================";

extern bool     Quiet;

#ifdef __UNIX__

int __fnmatch( const char *pattern, const char *string )
{
    if( *string == 0 ) {
        while( *pattern == '*' )
            ++pattern;
        return( ( *pattern == 0 ) ? 1 : 0 );
    }
    switch( *pattern ) {
    case '*':
        if( *string == '.' ) {
            return( __fnmatch( pattern + 1, string ) );
        } else if( __fnmatch( pattern + 1, string ) ) {
            return( 1 );
        } else {
            return( __fnmatch( pattern, string + 1 ) );
        }
    case '?':
        if( ( *string == 0 ) || ( *string == '.' ) ) {
            return( 0 );
        } else {
            return( __fnmatch( pattern + 1, string + 1 ) );
        }
    case 0:
        return( *string == 0 );
    default:
        if( *pattern != *string ) {
            return( 0 );
        } else {
            return( __fnmatch( pattern + 1, string + 1 ) );
        }
    }
}

#endif

static void LogDir( char *dir )
{
    char        tbuff[BSIZE];
    int         equals;
    int         bufflen;
    const char  *eq;
    struct tm   *tm;
    time_t      ttime;

    ttime = time( NULL );
    tm = localtime( &ttime );
    strftime( tbuff, BSIZE, "%H:%M:%S", tm );
    strcat( tbuff, " " );
    strcat( tbuff, dir );
    equals = ( SCREEN - ( bufflen = strlen( tbuff ) ) ) / 2 - 2;
    if( equals < 0 )
        equals = 0;
    eq = &Equals[ ( sizeof( Equals ) - 1 ) - equals];
    Log( FALSE, "%s %s %s%s\n", eq, tbuff, eq, ( bufflen & 1 ) ? "" : "=" );
}

static unsigned ProcSet( char *cmd )
{
    char        *var;
    char        *rep;

    var = cmd;
    rep = strchr( cmd, '=' );
    if( rep == NULL )
        return( 1 );
    *rep++ = '\0';
    if( *rep == '\0' ) {
        rep = NULL;             // get rid of the variable! Needed by Optima!
    }
#ifdef __WATCOMC__
    // We don't have unsetenv(), but our setenv() is extended vs. POSIX 
    return( setenv( var, rep, 1 ) );
#else
    if( rep == NULL ) {
        unsetenv( var );
        return( 0 );
    } else
        return( setenv( var, rep, 1 ) );
#endif
}

void ResetArchives( copy_entry *list )
{
    copy_entry  *next;
#ifndef __UNIX__
    unsigned    attr;
#endif

    while( list != NULL ) {
        next = list->next;
#ifndef __UNIX__
        if( _dos_getfileattr( list->src, &attr ) == 0 ) {
            _dos_setfileattr( list->src, attr & ~_A_ARCH );
        }
#endif
        free( list );
        list = next;
    }
}

static copy_entry *BuildList( char *src, char *dst, bool test_abit )
{
    copy_entry          *head;
    copy_entry          *curr;
    copy_entry          **owner;
    char                *end;
    char                buff[_MAX_PATH2];
    char                full[_MAX_PATH];
    char                srcdir[_MAX_PATH];
    char                *drive;
    char                *dir;
    char                *fn;
    char                *ext;
    DIR                 *directory;
    struct dirent       *dent;
#ifndef __UNIX__
    FILE                *fp;
    unsigned            attr;
#else
    struct stat         statsrc, statdst;
    int                 dstrc, srcrc;
    char                pattern[_MAX_PATH];
#endif

    strcpy( srcdir, src );
    end = &dst[strlen( dst ) - 1];
    while( end[0] == ' ' || end[0] == '\t' ) {
        --end;
    }
    end[1] = '\0';
    if( strchr( srcdir, '*' ) == NULL && strchr( srcdir, '?' ) == NULL ) {
        /* no wild cards */
        head = Alloc( sizeof( *head ) );
        head->next = NULL;
        _fullpath( head->src, srcdir, sizeof( head->src ) );
        switch( *end ) {
        case '\\':
        case '/':
            /* need to append source file name */
            _splitpath2( srcdir, buff, &drive, &dir, &fn, &ext );
            _makepath( full, NULL, dst, fn, ext );
            _fullpath( head->dst, full, sizeof( head->dst ) );
            break;
        default:
            _fullpath( head->dst, dst, sizeof( head->dst ) );
            break;
        }
        if( test_abit ) {
#ifndef __UNIX__
            fp = fopen( head->dst, "rb" );
            if( fp != NULL )
                fclose( fp );
            _dos_getfileattr( head->src, &attr );
            if( !( attr & _A_ARCH ) && fp != NULL ) {
                /* file hasn't changed */
                free( head );
                head = NULL;
            }
#else
            /* Linux has (strangely) no 'archive' attribute, compare modification times */
            dstrc = stat( head->dst, &statdst );
            srcrc = stat( head->src, &statsrc );
            if( (dstrc != -1) && (srcrc != -1) && (statdst.st_mtime == statsrc.st_mtime) ) {
                free( head );
                head = NULL;
            }
#endif
        }
        return( head );
    }
#ifdef __UNIX__
    _splitpath2( srcdir, buff, &drive, &dir, &fn, &ext );
    _makepath( srcdir, drive, dir, NULL, NULL );
    _makepath( pattern, NULL, NULL, fn, ext );
#endif
    directory = opendir( srcdir );
    if( directory == NULL ) {
        Log( FALSE, "Can not open source directory '%s': %s\n", srcdir, strerror( errno ) );
        return( NULL );
    }
    head = NULL;
    owner = &head;
    for( ;; ) {
        dent = readdir( directory );
        if( dent == NULL )
            break;
#ifdef __UNIX__
        {
            struct stat buf;
            size_t len = strlen( srcdir );

            if( __fnmatch( pattern, dent->d_name ) == 0 )
                continue;

            strcat( srcdir, dent->d_name );
            stat( srcdir, &buf );
            srcdir[len] = '\0';
            if( S_ISDIR( buf.st_mode ) )
                continue;
        }
#else
        if( dent->d_attr & ( _A_SUBDIR | _A_VOLID ) )
            continue;
#endif
        curr = Alloc( sizeof( *curr ) );
        curr->next = NULL;
        _splitpath2( srcdir, buff, &drive, &dir, &fn, &ext );
        _makepath( full, drive, dir, dent->d_name, NULL );
        _fullpath( curr->src, full, sizeof( curr->src ) );
        strcpy( full, dst );
        switch( *end ) {
        case '\\':
        case '/':
            strcat( full, dent->d_name );
            break;
        }
        _fullpath( curr->dst, full, sizeof( curr->dst ) );
        if( test_abit ) {
#ifndef __UNIX__
            fp = fopen( curr->dst, "rb" );
            if( fp != NULL )
                fclose( fp );
            if( !(dent->d_attr & _A_ARCH) && fp != NULL ) {
                /* file hasn't changed */
                free( curr );
                continue;
            }
#else
            /* Linux has (strangely) no 'archive' attribute, compare modification times */
            dstrc = stat( curr->dst, &statdst );
            srcrc = stat( curr->src, &statsrc );
            if( (dstrc != -1) && (srcrc != -1) && (statdst.st_mtime == statsrc.st_mtime) ) {
                free( curr );
                continue;