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29 * Copyright 2009 Develer S.r.l. (http://www.develer.com/)
33 * \brief KFile interface implementation in Posix systems.
36 * \author Luca Ottaviano <lottaviano@develer.com>
39 #include <emul/kfile_posix.h>
42 static size_t kfile_posix_read(struct KFile *_fd, void *buf, size_t size)
44 KFilePosix *fd = KFILEPOSIX_CAST(_fd);
45 return fread(buf, sizeof(uint8_t), size, fd->fp);
48 static size_t kfile_posix_write(struct KFile *_fd, const void *buf, size_t size)
50 KFilePosix *fd = KFILEPOSIX_CAST(_fd);
51 return fwrite(buf, sizeof(uint8_t), size, fd->fp);
54 static kfile_off_t kfile_posix_seek(struct KFile *_fd, kfile_off_t offset, KSeekMode whence)
56 KFilePosix *fd = KFILEPOSIX_CAST(_fd);
61 std_whence = SEEK_CUR;
64 std_whence = SEEK_END;
67 std_whence = SEEK_SET;
73 int err = fseek(fd->fp, offset, std_whence);
80 static int kfile_posix_close(struct KFile *_fd)
82 KFilePosix *fd = KFILEPOSIX_CAST(_fd);
83 return fclose(fd->fp);
86 static int kfile_posix_flush(struct KFile *_fd)
88 KFilePosix *fd = KFILEPOSIX_CAST(_fd);
89 return fflush(fd->fp);
92 FILE *kfile_posix_init(KFilePosix *file, const char *filename, const char *mode)
94 memset(file, 0, sizeof(*file));
95 DB(file->fd._type = KFT_KFILEPOSIX);
96 file->fd.read = kfile_posix_read;
97 file->fd.write = kfile_posix_write;
98 file->fd.close = kfile_posix_close;
99 file->fd.seek = kfile_posix_seek;
100 file->fd.flush = kfile_posix_flush;
102 file->fp = fopen(filename, mode);