/* * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). * fileio.h: The file input/output header. * * Copyright (C) 2002 by the past and present ircd coders, and others. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA * * $Id: fileio.h 33 2005-10-02 20:50:00Z knight $ */ #ifndef INCLUDED_fileio_h #define INCLUDED_fileio_h #include "fdlist.h" #define FB_EOF 0x01 #define FB_FAIL 0x02 /* * FileBuf is a mirror of the ANSI FILE struct, but it works for any * file descriptor. FileBufs are allocated when a file is opened with * fbopen, and they are freed when the file is closed using fbclose. */ typedef struct FileBuf { fde_t F; /* file descriptor */ char *endp; /* one past the end */ char *ptr; /* current read pos */ char *pbptr; /* pointer to push back char */ int flags; /* file state */ char buf[BUFSIZ]; /* buffer */ char pbuf[BUFSIZ+1]; /* push back buffer */ } FBFILE; /* open a file and return a FBFILE*, see fopen(3) */ extern FBFILE *fbopen(const char *, const char *); /* Positions the file pointer at the beginning of the file */ extern int fbrewind(FBFILE *); /* close a file opened with fbopen, see fclose(3) */ extern void fbclose(FBFILE *); /* * return the next character from the file, EOF on end of file * see fgetc(3) */ extern int fbgetc(FBFILE *); /* * return next string in a file up to and including the newline character * see fgets(3) */ extern char *fbgets(char *, size_t, FBFILE *); /* ungets c to fb see ungetc(3) */ extern void fbungetc(char, FBFILE *); /* write a null terminated string to a file, see fputs(3) */ extern int fbputs(const char *, FBFILE *, size_t); extern int file_open(fde_t *, const char *, int, int); extern void file_close(fde_t *); extern int save_spare_fd(const char *); #endif /* INCLUDED_fileio_h */