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- #define DISKBUFSIZE 4096 /* Size of I/O buffers */
-
- #ifndef SEEK_SET
- #define SEEK_SET 0
- #define SEEK_CUR 1
- #define SEEK_END 2
- #endif
-
- #ifdef VMS
- #define FOPRBIN "rb","ctx=stm"
- #define FOPRTXT "r"
- #if 0
- #define FOPWBIN "ab","fop=cif"
- #define FOPWTXT "a","fop=cif"
- #else
- #define FOPWBIN "wb"
- #define FOPWTXT "w"
- #endif
- #define FOPRWBIN "r+b","ctx=stm"
- #define FOPWPBIN "w+b","ctx=stm"
- #else
- #ifdef UNIX
- #define FOPRBIN "r"
- #define FOPRTXT "r"
- #define FOPWBIN "w"
- #define FOPWTXT "w"
- #define FOPRWBIN "r+"
- #define FOPWPBIN "w+"
- #else /* !UNIX && !VMS */
- #define FOPRBIN "rb"
- #define FOPRTXT "r"
- #define FOPWBIN "wb"
- #define FOPWTXT "w"
- #define FOPRWBIN "r+b"
- #define FOPWPBIN "w+b"
- #endif /* UNIX */
- #endif /* VMS */
-
- #define TMP_WIPE 1
- #define TMP_TMPDIR 4
-
- #define equal_buffers(buf1,buf2,count) !memcmp( buf1, buf2, count )
-
- /* Returns TRUE iff file is can be opened for reading. */
- boolean file_exists(char *filename);
-
- /* Returns TRUE iff file can be opened for writing. Does not harm file! */
- boolean file_ok_write(char *filename);
-
- /* Completely overwrite and erase file of given name, so that no sensitive
- information is left on the disk */
- int wipefile(char *filename);
-
- /* Return the after-slash part of the filename */
- char *file_tail (char *filename);
- /* Returns TRUE if user left off file extension, allowing default */
- boolean no_extension(char *filename);
-
- /* Deletes trailing ".xxx" file extension after the period */
- void drop_extension(char *filename);
-
- /* Append filename extension if there isn't one already */
- void default_extension(char *filename, char *extension);
-
- /* Change the filename extension */
- void force_extension(char *filename, char *extension);
-
- /* Get yes/no answer from user, returns TRUE for yes, FALSE for no */
- boolean getyesno(char default_answer);
-
- /* If luser consents to it, change the filename extension */
- char *maybe_force_extension(char *filename, char *extension);
-
- /* Builds a filename with a complete path specifier from the environmental
- variable PGPPATH */
- char *buildfilename(char *result, char *fname);
-
- /* Build a path for fileName based on origPath */
- int build_path(char *path, char *fileName, char *origPath);
-
- /* Convert filename to canonical form, with slashes as separators */
- void file_to_canon(char *filename);
-
- /* Convert filename from canonical to local form */
- void file_from_canon(char *filename);
-
- /* Copy file f to file g, for longcount bytes */
- int copyfile(FILE *f, FILE *g, word32 longcount);
-
- /* Copy file f to file g, for longcount bytes, positioning f at fpos */
- int copyfilepos (FILE *f, FILE *g, word32 longcount, word32 fpos);
-
- /* Copy file f to file g, for longcount bytes. Convert to canonical form
- as we go. f is open in text mode. Canonical form uses crlf's as line
- separators */
- int copyfile_to_canon (FILE *f, FILE *g, word32 longcount);
-
- /* Copy file f to file g, for longcount bytes. Convert from canonical to
- local form as we go. g is open in text mode. Canonical form uses crlf's
- as line separators */
- int copyfile_from_canon (FILE *f, FILE *g, word32 longcount);
-
- /* Copy srcFile to destFile */
- int copyfiles_by_name(char *srcFile, char *destFile);
-
- /* Copy srcFile to destFile, converting to canonical text form */
- int make_canonical(char *srcFile, char *destFile);
-
- /* Like rename() but will try to copy the file if the rename fails. This is
- because under OS's with multiple physical volumes if the source and
- destination are on different volumes the rename will fail */
- int rename2(char *srcFile, char *destFile);
-
- /* Read the data from stdin to the phantom input file */
- int readPhantomInput(char *filename);
-
- /* Write the data from the phantom output file to stdout */
- int writePhantomOutput(char *filename);
-
- /* Return the size from the current position of file f to the end */
- word32 fsize (FILE *f);
-
- /* Return TRUE if file filename is a text file */
- int is_text_file (char *filename);
-
- FILE *fopenbin(char *, char *);
- FILE *fopentxt(char *, char *);
-
- VOID *xmalloc(unsigned);
-
- char *tempfile(int);
- void rmtemp(char *);
- char *savetemp(char *, char *);
- void cleanup_tmpf(void);
- int savetempbak(char *, char *);
-
- extern int write_error(FILE *f);
- extern void settmpdir(char *path);
- extern void setoutdir(char *filename);
- extern boolean is_tempfile(char *path);
- extern boolean has_extension(char *filename, char *extension);
-