/* * Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc. * * This file is part of Jam - see jam.c for Copyright information. */ /* * filent.c - scan directories and archives on NT * * External routines: * * file_dirscan() - scan a directory for files * file_time() - get timestamp of file, if not done by file_dirscan() * file_archscan() - scan an archive for files * * File_dirscan() and file_archscan() call back a caller provided function * for each file found. A flag to this callback function lets file_dirscan() * and file_archscan() indicate that a timestamp is being provided with the * file. If file_dirscan() or file_archscan() do not provide the file's * timestamp, interested parties may later call file_time(). * * 07/10/95 (taylor) Findfirst() returns the first file on NT. * 05/03/96 (seiwald) split apart into pathnt.c * 01/20/00 (seiwald) - Upgraded from K&R to ANSI C * 10/03/00 (anton) - Porting for Borland C++ 5.5 * 01/08/01 (seiwald) - closure param for file_dirscan/file_archscan * 11/04/02 (seiwald) - const-ing for string literals * 01/23/03 (seiwald) - long long handles for NT IA64 */ # include "jam.h" # include "filesys.h" # include "pathsys.h" # ifdef OS_NT # ifdef __BORLANDC__ # if __BORLANDC__ < 0x550 # include <dir.h> # include <dos.h> # endif # undef PATHNAME /* cpp namespace collision */ # define _finddata_t ffblk # endif # include <io.h> # include <sys/stat.h> /* * file_dirscan() - scan a directory for files */ # ifdef _M_IA64 # define FINDTYPE long long # else # define FINDTYPE long # endif void file_dirscan( const char *dir, scanback func, void *closure ) { PATHNAME f; char filespec[ MAXJPATH ]; char filename[ MAXJPATH ]; FINDTYPE handle; int ret; struct _finddata_t finfo[1]; /* First enter directory itself */ memset( (char *)&f, '\0', sizeof( f ) ); f.f_dir.ptr = dir; f.f_dir.len = strlen(dir); dir = *dir ? dir : "."; /* Special case \ or d:\ : enter it */ if( f.f_dir.len == 1 && f.f_dir.ptr[0] == '\\' ) (*func)( closure, dir, 0 /* not stat()'ed */, (time_t)0 ); else if( f.f_dir.len == 3 && f.f_dir.ptr[1] == ':' ) (*func)( closure, dir, 0 /* not stat()'ed */, (time_t)0 ); /* Now enter contents of directory */ sprintf( filespec, "%s/*", dir ); if( DEBUG_BINDSCAN ) printf( "scan directory %s\n", dir ); # if defined(__BORLANDC__) && __BORLANDC__ < 0x550 if ( ret = findfirst( filespec, finfo, FA_NORMAL | FA_DIREC ) ) return; while( !ret ) { time_t time_write = finfo->ff_fdate; time_write = (time_write << 16) | finfo->ff_ftime; f.f_base.ptr = finfo->ff_name; f.f_base.len = strlen( finfo->ff_name ); path_build( &f, filename ); (*func)( closure, filename, 1 /* stat()'ed */, time_write ); ret = findnext( finfo ); } # else handle = _findfirst( filespec, finfo ); if( ret = ( handle == (FINDTYPE)(-1) ) ) return; while( !ret ) { f.f_base.ptr = finfo->name; f.f_base.len = strlen( finfo->name ); path_build( &f, filename, 0 ); (*func)( closure, filename, 1 /* stat()'ed */, finfo->time_write ); ret = _findnext( handle, finfo ); } _findclose( handle ); # endif } /* * file_time() - get timestamp of file, if not done by file_dirscan() */ int file_time( const char *filename, time_t *time ) { /* On NT this is called only for C:/ */ struct stat statbuf; if( stat( filename, &statbuf ) < 0 ) return -1; *time = statbuf.st_mtime; return 0; } /* * file_archscan() - scan an archive for files */ /* Straight from SunOS */ #define ARMAG "!<arch>\n" #define SARMAG 8 #define ARFMAG "`\n" struct ar_hdr { char ar_name[16]; char ar_date[12]; char ar_uid[6]; char ar_gid[6]; char ar_mode[8]; char ar_size[10]; char ar_fmag[2]; }; # define SARFMAG 2 # define SARHDR sizeof( struct ar_hdr ) void file_archscan( const char *archive, scanback func, void *closure ) { struct ar_hdr ar_hdr; char *string_table = 0; char buf[ MAXJPATH ]; long offset; int fd; if( ( fd = open( archive, O_RDONLY | O_BINARY, 0 ) ) < 0 ) return; if( read( fd, buf, SARMAG ) != SARMAG || strncmp( ARMAG, buf, SARMAG ) ) { close( fd ); return; } offset = SARMAG; if( DEBUG_BINDSCAN ) printf( "scan archive %s\n", archive ); while( read( fd, &ar_hdr, SARHDR ) == SARHDR && !memcmp( ar_hdr.ar_fmag, ARFMAG, SARFMAG ) ) { long lar_date; long lar_size; char *name = 0; char *endname; char *c; sscanf( ar_hdr.ar_date, "%ld", &lar_date ); sscanf( ar_hdr.ar_size, "%ld", &lar_size ); lar_size = ( lar_size + 1 ) & ~1; if (ar_hdr.ar_name[0] == '/' && ar_hdr.ar_name[1] == '/' ) { /* this is the "string table" entry of the symbol table, ** which holds strings of filenames that are longer than ** 15 characters (ie. don't fit into a ar_name */ string_table = (char*)malloc(lar_size); if (read(fd, string_table, lar_size) != lar_size) printf("error reading string table\n"); offset += SARHDR + lar_size; continue; } else if (ar_hdr.ar_name[0] == '/' && ar_hdr.ar_name[1] != ' ') { /* Long filenames are recognized by "/nnnn" where nnnn is ** the offset of the string in the string table represented ** in ASCII decimals. */ name = string_table + atoi( ar_hdr.ar_name + 1 ); endname = name + strlen( name ); } else { /* normal name */ name = ar_hdr.ar_name; endname = name + sizeof( ar_hdr.ar_name ); } /* strip trailing space, slashes, and backslashes */ while( endname-- > name ) if( *endname != ' ' && *endname != '\\' && *endname != '/' ) break; *++endname = 0; /* strip leading directory names, an NT specialty */ if( c = strrchr( name, '/' ) ) name = c + 1; if( c = strrchr( name, '\\' ) ) name = c + 1; sprintf( buf, "%s(%.*s)", archive, endname - name, name ); (*func)( closure, buf, 1 /* time valid */, (time_t)lar_date ); offset += SARHDR + lar_size; lseek( fd, offset, 0 ); } close( fd ); } # endif /* NT */
# | Change | User | Description | Committed | |
---|---|---|---|---|---|
#5 | 2984 | Miklos Fazekas | Sync to 2.5rc2 | ||
#4 | 2519 | Miklos Fazekas | Sync to 2.5rc1 | ||
#3 | 1573 | Miklos Fazekas | Merge to jam mainline. | ||
#2 | 1395 | Miklos Fazekas | Merge with main jam | ||
#1 | 1212 | Miklos Fazekas | Created a Jam branch | ||
//guest/perforce_software/jam/src/filent.c | |||||
#2 | 486 | Perforce staff |
Jam 2.3. See RELNOTES for a list of changes from 2.2.x. Just about every source file was touched when jam got ANSI-fied. |
||
#1 | 2 | laura | Add Jam/MR 2.2 source |