sys-clk/sysmodule/lib/minIni/dev/minGlue-efsl.h
2019-07-15 19:47:47 +00:00

64 lines
2.4 KiB
C

/* Glue functions for the minIni library, based on the EFS Library, see
* http://www.efsl.be/
*
* By CompuPhase, 2008-2012
* This "glue file" is in the public domain. It is distributed without
* warranties or conditions of any kind, either express or implied.
*
* (EFSL is copyright 2005-2006 Lennart Ysboodt and Michael De Nil, and
* licensed under the GPL with an exception clause for static linking.)
*/
#define INI_BUFFERSIZE 256 /* maximum line length, maximum path length */
#define INI_LINETERM "\r\n" /* set line termination explicitly */
#include "efs.h"
extern EmbeddedFileSystem g_efs;
#define INI_FILETYPE EmbeddedFile
#define ini_openread(filename,file) (file_fopen((file), &g_efs.myFs, (char*)(filename), 'r') == 0)
#define ini_openwrite(filename,file) (file_fopen((file), &g_efs.myFs, (char*)(filename), 'w') == 0)
#define ini_close(file) file_fclose(file)
#define ini_read(buffer,size,file) (file_read((file), (size), (buffer)) > 0)
#define ini_write(buffer,file) (file_write((file), strlen(buffer), (char*)(buffer)) > 0)
#define ini_remove(filename) rmfile(&g_efs.myFs, (char*)(filename))
#define INI_FILEPOS euint32
#define ini_tell(file,pos) (*(pos) = (file)->FilePtr))
#define ini_seek(file,pos) file_setpos((file), (*pos))
#if ! defined INI_READONLY
/* EFSL lacks a rename function, so instead we copy the file to the new name
* and delete the old file
*/
static int ini_rename(char *source, const char *dest)
{
EmbeddedFile fr, fw;
int n;
if (file_fopen(&fr, &g_efs.myFs, source, 'r') != 0)
return 0;
if (rmfile(&g_efs.myFs, (char*)dest) != 0)
return 0;
if (file_fopen(&fw, &g_efs.myFs, (char*)dest, 'w') != 0)
return 0;
/* With some "insider knowledge", we can save some memory: the "source"
* parameter holds a filename that was built from the "dest" parameter. It
* was built in buffer and this buffer has the size INI_BUFFERSIZE. We can
* reuse this buffer for copying the file.
*/
while (n=file_read(&fr, INI_BUFFERSIZE, source))
file_write(&fw, n, source);
file_fclose(&fr);
file_fclose(&fw);
/* Now we need to delete the source file. However, we have garbled the buffer
* that held the filename of the source. So we need to build it again.
*/
ini_tempname(source, dest, INI_BUFFERSIZE);
return rmfile(&g_efs.myFs, source) == 0;
}
#endif