176 lines
3.7 KiB
C
176 lines
3.7 KiB
C
/*
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* MIO, an I/O abstraction layer replicating C file I/O API.
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* Copyright (C) 2010 Colomban Wendling <ban@herbesfolles.org>
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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/* file IO implementation */
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#include <glib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <errno.h>
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#include "mio.h"
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#define FILE_SET_VTABLE(mio) \
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G_STMT_START { \
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mio->v_free = file_free; \
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mio->v_read = file_read; \
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mio->v_write = file_write; \
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mio->v_getc = file_getc; \
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mio->v_gets = file_gets; \
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mio->v_ungetc = file_ungetc; \
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mio->v_putc = file_putc; \
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mio->v_puts = file_puts; \
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mio->v_vprintf = file_vprintf; \
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mio->v_clearerr = file_clearerr; \
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mio->v_eof = file_eof; \
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mio->v_error = file_error; \
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mio->v_seek = file_seek; \
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mio->v_tell = file_tell; \
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mio->v_rewind = file_rewind; \
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mio->v_getpos = file_getpos; \
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mio->v_setpos = file_setpos; \
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} G_STMT_END
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static void
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file_free (MIO *mio)
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{
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if (mio->impl.file.close_func) {
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mio->impl.file.close_func (mio->impl.file.fp);
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}
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mio->impl.file.close_func = NULL;
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mio->impl.file.fp = NULL;
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}
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static gsize
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file_read (MIO *mio,
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void *ptr,
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gsize size,
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gsize nmemb)
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{
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return fread (ptr, size, nmemb, mio->impl.file.fp);
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}
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static gsize
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file_write (MIO *mio,
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const void *ptr,
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gsize size,
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gsize nmemb)
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{
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return fwrite (ptr, size, nmemb, mio->impl.file.fp);
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}
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static gint
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file_putc (MIO *mio,
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gint c)
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{
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return fputc (c, mio->impl.file.fp);
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}
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static gint
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file_puts (MIO *mio,
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const gchar *s)
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{
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return fputs (s, mio->impl.file.fp);
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}
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G_GNUC_PRINTF (2, 0)
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static gint
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file_vprintf (MIO *mio,
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const gchar *format,
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va_list ap)
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{
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return vfprintf (mio->impl.file.fp, format, ap);
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}
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static gint
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file_getc (MIO *mio)
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{
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return fgetc (mio->impl.file.fp);
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}
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static gint
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file_ungetc (MIO *mio,
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gint ch)
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{
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return ungetc (ch, mio->impl.file.fp);
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}
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static gchar *
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file_gets (MIO *mio,
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gchar *s,
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gsize size)
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{
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return fgets (s, (int)size, mio->impl.file.fp);
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}
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static void
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file_clearerr (MIO *mio)
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{
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clearerr (mio->impl.file.fp);
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}
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static gint
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file_eof (MIO *mio)
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{
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return feof (mio->impl.file.fp);
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}
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static gint
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file_error (MIO *mio)
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{
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return ferror (mio->impl.file.fp);
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}
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static gint
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file_seek (MIO *mio,
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glong offset,
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gint whence)
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{
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return fseek (mio->impl.file.fp, offset, whence);
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}
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static glong
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file_tell (MIO *mio)
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{
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return ftell (mio->impl.file.fp);
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}
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static void
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file_rewind (MIO *mio)
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{
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rewind (mio->impl.file.fp);
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}
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static gint
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file_getpos (MIO *mio,
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MIOPos *pos)
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{
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return fgetpos (mio->impl.file.fp, &pos->impl.file);
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}
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static gint
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file_setpos (MIO *mio,
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MIOPos *pos)
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{
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return fsetpos (mio->impl.file.fp, &pos->impl.file);
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}
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