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/*
* Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
*
* This file is part of Jam - see jam.c for Copyright information.
*/
/* This file is ALSO:
* Copyright 2001-2004 David Abrahams.
* Copyright 2005 Rene Rivera.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
*/
/*
* fileunix.c - manipulate file names and scan directories on UNIX/AmigaOS
*
* External routines:
* file_mkdir() - create a directory
* file_supported_fmt_resolution() - file modification timestamp resolution
*
* External routines called only via routines in filesys.c:
* file_collect_dir_content_() - collects directory content information
* file_dirscan_() - OS specific file_dirscan() implementation
* file_query_() - query information about a path from the OS
*/
#include "jam.h"
#ifdef USE_FILEUNIX
#include "filesys.h"
#include "object.h"
#include "pathsys.h"
#include "strings.h"
#include <assert.h>
#include <stdio.h>
#include <sys/stat.h> /* needed for mkdir() */
#if defined( sun ) || defined( __sun ) || defined( linux )
# include <unistd.h> /* needed for read and close prototype */
#endif
#if defined( OS_SEQUENT ) || \
defined( OS_DGUX ) || \
defined( OS_SCO ) || \
defined( OS_ISC )
# define PORTAR 1
#endif
#if defined( OS_RHAPSODY ) || defined( OS_MACOSX ) || defined( OS_NEXT )
# include <sys/dir.h>
# include <unistd.h> /* need unistd for rhapsody's proper lseek */
# define STRUCT_DIRENT struct direct
#else
# include <dirent.h>
# define STRUCT_DIRENT struct dirent
#endif
/*
* file_collect_dir_content_() - collects directory content information
*/
int file_collect_dir_content_( file_info_t * const d )
{
LIST * files = L0;
PATHNAME f;
DIR * dd;
STRUCT_DIRENT * dirent;
string path[ 1 ];
char const * dirstr;
assert( d );
assert( d->is_dir );
assert( list_empty( d->files ) );
dirstr = object_str( d->name );
memset( (char *)&f, '\0', sizeof( f ) );
f.f_dir.ptr = dirstr;
f.f_dir.len = strlen( dirstr );
if ( !*dirstr ) dirstr = ".";
if ( !( dd = opendir( dirstr ) ) )
return -1;
string_new( path );
while ( ( dirent = readdir( dd ) ) )
{
OBJECT * name;
f.f_base.ptr = dirent->d_name
#ifdef old_sinix
- 2 /* Broken structure definition on sinix. */
#endif
;
f.f_base.len = strlen( f.f_base.ptr );
string_truncate( path, 0 );
path_build( &f, path );
name = object_new( path->value );
/* Immediately stat the file to preserve invariants. */
if ( file_query( name ) )
files = list_push_back( files, name );
else
object_free( name );
}
string_free( path );
closedir( dd );
d->files = files;
return 0;
}
/*
* file_dirscan_() - OS specific file_dirscan() implementation
*/
void file_dirscan_( file_info_t * const d, scanback func, void * closure )
{
assert( d );
assert( d->is_dir );
/* Special case / : enter it */
if ( !strcmp( object_str( d->name ), "/" ) )
(*func)( closure, d->name, 1 /* stat()'ed */, &d->time );
}
/*
* file_mkdir() - create a directory
*/
int file_mkdir( char const * const path )
{
#if defined(__MINGW32__)
/* MinGW's mkdir() takes only one argument: the path. */
mkdir(path);
#else
/* Explicit cast to remove const modifiers and avoid related compiler
* warnings displayed when using the intel compiler.
*/
return mkdir( (char *)path, 0777 );
#endif
}
/*
* file_query_() - query information about a path from the OS
*/
void file_query_( file_info_t * const info )
{
file_query_posix_( info );
}
/*
* file_supported_fmt_resolution() - file modification timestamp resolution
*
* Returns the minimum file modification timestamp resolution supported by this
* Boost Jam implementation. File modification timestamp changes of less than
* the returned value might not be recognized.
*
* Does not take into consideration any OS or file system related restrictions.
*
* Return value 0 indicates that any value supported by the OS is also supported
* here.
*/
void file_supported_fmt_resolution( timestamp * const t )
{
/* The current implementation does not support file modification timestamp
* resolution of less than one second.
*/
timestamp_init( t, 1, 0 );
}
#endif /* USE_FILEUNIX */
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