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Make this thing more like stdio

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This commit is contained in:
Alcaro 2017-12-29 01:38:14 +01:00
parent e6462de5be
commit 353b2ebff6
1 changed files with 8 additions and 7 deletions
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15
libretro-common/streams/file_stream.c
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@ -51,6 +51,7 @@ struct RFILE
{
struct retro_vfs_file_handle *hfile;
bool error_flag;
bool eof_flag;
};
/* VFS Initialization */
@ -150,6 +151,7 @@ RFILE *filestream_open(const char *path, unsigned mode, unsigned hints)
output = (RFILE*)malloc(sizeof(RFILE));
output->error_flag = false;
output->eof_flag = false;
output->hfile = fp;
return output;
}
@ -199,18 +201,14 @@ ssize_t filestream_seek(RFILE *stream, ssize_t offset, int seek_position)
if (output == vfs_error_return_value)
stream->error_flag = true;
stream->eof_flag = false;
return output;
}
int filestream_eof(RFILE *stream)
{
int64_t current_position = filestream_tell(stream);
int64_t end_position = filestream_get_size(stream);
if (current_position >= end_position)
return 1;
return 0;
return stream->eof_flag;
}
@ -235,6 +233,7 @@ void filestream_rewind(RFILE *stream)
return;
filestream_seek(stream, 0L, RETRO_VFS_SEEK_POSITION_START);
stream->error_flag = false;
stream->eof_flag = false;
}
ssize_t filestream_read(RFILE *stream, void *s, int64_t len)
@ -249,6 +248,8 @@ ssize_t filestream_read(RFILE *stream, void *s, int64_t len)
if (output == vfs_error_return_value)
stream->error_flag = true;
if (output < len)
stream->eof_flag = true;
return output;
}
@ -312,7 +313,7 @@ int filestream_putc(RFILE *stream, int c)
char c_char = (char)c;
if (!stream)
return EOF;
return filestream_write(stream, &c_char, 1);
return filestream_write(stream, &c_char, 1)==1 ? c : EOF;
}
int filestream_vprintf(RFILE *stream, const char* format, va_list args)