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/* |
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* HT Editor |
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* file.h |
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* |
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* file system functions |
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* |
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* Copyright (C) 1999-2002 Stefan Weyergraf |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#ifndef __FILE_H__ |
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#define __FILE_H__ |
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|
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/* Note: all functions only take absolute dir/filenames ! */ |
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|
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#include "types.h" |
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#include "fileofs.h" |
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|
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//#include <dirent.h> |
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#include <sys/types.h> |
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#include <time.h> |
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|
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#ifdef PATH_MAX |
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#define HT_NAME_MAX PATH_MAX /* DJGPP at least */ |
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#else |
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#ifdef MAXNAMLEN |
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#define HT_NAME_MAX MAXNAMLEN /* some BSD... */ |
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#else |
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#ifdef NAME_MAX |
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#define HT_NAME_MAX NAME_MAX /* POSIX and friends... */ |
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#else |
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#define HT_NAME_MAX 260 /* unknown... */ |
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#endif |
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#endif |
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#endif |
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|
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#define HT_S_IFREG 0x1000 |
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#define HT_S_IFBLK 0x2000 |
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#define HT_S_IFCHR 0x3000 |
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#define HT_S_IFDIR 0x4000 |
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#define HT_S_IFFIFO 0x5000 |
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#define HT_S_IFLNK 0x6000 |
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#define HT_S_IFSOCK 0x7000 |
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|
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#define HT_S_IFMT 0xf000 |
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|
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#define HT_S_ISREG(m) (((m) & HT_S_IFMT) == HT_S_IFREG) |
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#define HT_S_ISBLK(m) (((m) & HT_S_IFMT) == HT_S_IFBLK) |
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#define HT_S_ISCHR(m) (((m) & HT_S_IFMT) == HT_S_IFCHR) |
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#define HT_S_ISDIR(m) (((m) & HT_S_IFMT) == HT_S_IFDIR) |
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#define HT_S_ISFIFO(m) (((m) & HT_S_IFMT) == HT_S_IFFIFO) |
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#define HT_S_ISLNK(m) (((m) & HT_S_IFMT) == HT_S_IFLNK) |
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#define HT_S_ISSOCK(m) (((m) & HT_S_IFMT) == HT_S_IFSOCK) |
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|
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#define HT_S_IRUSR 0x0100 |
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#define HT_S_IRGRP 0x0020 |
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#define HT_S_IROTH 0x0004 |
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#define HT_S_IWUSR 0x0080 |
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#define HT_S_IWGRP 0x0010 |
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#define HT_S_IWOTH 0x0002 |
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#define HT_S_IXUSR 0x0040 |
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#define HT_S_IXGRP 0x0008 |
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#define HT_S_IXOTH 0x0001 |
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#define HT_S_IRWXU (HT_S_IRUSR || HT_S_IWUSR || HT_S_IXUSR) |
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#define HT_S_IRWXG (HT_S_IRGRP || HT_S_IWGRP || HT_S_IXGRP) |
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#define HT_S_IRWXO (HT_S_IROTH || HT_S_IWOTH || HT_S_IXOTH) |
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|
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#define pstat_ctime 0x00000001 |
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#define pstat_mtime 0x00000002 |
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#define pstat_atime 0x00000004 |
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#define pstat_uid 0x00000008 |
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#define pstat_gid 0x00000010 |
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#define pstat_mode_usr 0x00000020 |
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#define pstat_mode_grp 0x00000040 |
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#define pstat_mode_oth 0x00000080 |
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#define pstat_mode_r 0x00000100 |
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#define pstat_mode_w 0x00000200 |
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#define pstat_mode_x 0x00000400 |
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#define pstat_mode_type 0x00000800 |
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#define pstat_size 0x00001000 |
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#define pstat_inode 0x00002000 |
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#define pstat_cluster 0x00004000 |
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#define pstat_fsid 0x00008000 |
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#define pstat_desc 0x00010000 |
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|
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#define pstat_mode_all (pstat_mode_usr|pstat_mode_grp|pstat_mode_oth|pstat_mode_r|pstat_mode_w|pstat_mode_x|pstat_mode_type) |
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|
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struct pstat_t { |
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uint32 caps; |
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time_t ctime; |
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time_t mtime; |
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time_t atime; |
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uint uid; |
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uint gid; |
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mode_t mode; // S_ISUID, S_ISGID, S_I[RWX](USR|GRP|OTH) |
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uint64 size; |
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union { |
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uint inode; |
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uint cluster; |
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uint fsid; |
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}; |
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char desc[32]; |
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}; |
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|
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struct pfind_t { |
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const char *name; |
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pstat_t stat; |
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void *findstate; |
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}; |
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|
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typedef bool (*is_path_delim)(char c); |
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|
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#define SYS_OPEN_READ 1 |
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#define SYS_OPEN_WRITE 2 |
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#define SYS_OPEN_CREATE 4 |
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|
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#define SYS_SEEK_SET 1 |
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#define SYS_SEEK_REL 2 |
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#define SYS_SEEK_END 3 |
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|
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#define SYS_FILE void |
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|
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|
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/* system-independent (implementation in sys.cc) */ |
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int sys_basename(char *result, const char *filename); |
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int sys_dirname(char *result, const char *filename); |
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int sys_relname(char *result, const char *filename, const char *cwd); |
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int sys_common_canonicalize(char *result, const char *in_name, const char *cwd, is_path_delim delim); |
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char * sys_filename_suffix(const char *fn); |
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int sys_tmpfile_fd(); |
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|
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/* system-dependent (implementation in $MYSYSTEM/ *.cc) */ |
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int sys_canonicalize(char *result, const char *filename); |
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int sys_file_mode(int mode); |
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int sys_findclose(pfind_t &pfind); |
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int sys_findfirst(pfind_t &pfind, const char *dirname); |
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int sys_findnext(pfind_t &pfind); |
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int sys_pstat(pstat_t &s, const char *filename); |
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int sys_pstat_fd(pstat_t &s, int fd); |
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int sys_truncate(const char *filename, FileOfs ofs); |
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int sys_truncate_fd(int fd, FileOfs ofs); |
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int sys_deletefile(const char *filename); |
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bool sys_is_path_delim(char c); |
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int sys_filename_cmp(const char *a, const char *b); |
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bool sys_filename_is_absolute(const char *filename); |
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|
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SYS_FILE * sys_fopen(const char *filename, int openmode); |
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void sys_fclose(SYS_FILE *file); |
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int sys_fread(SYS_FILE *file, byte *buf, int size); |
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int sys_fwrite(SYS_FILE *file, byte *buf, int size); |
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int sys_fseek(SYS_FILE *file, FileOfs newofs, int seekmode = SYS_SEEK_SET); |
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FileOfs sys_ftell(SYS_FILE *file); |
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void sys_flush(SYS_FILE *file); |
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//int sys_geterror(); |
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|
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#endif /* __FILE_H__ */ |
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