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