Replace calls to strrchr() by strchr() when searching for the '\0' string terminator.

Minor updates (mostly comments) in a few example glue files.

Author: compuphase

dev/minGlue-FatFs.h

@@ -1,7 +1,7 @@
 /*  Glue functions for the minIni library, based on the FatFs and Petit-FatFs
  *  libraries, see http://elm-chan.org/fsw/ff/00index_e.html
  *
- *  By CompuPhase, 2008-2012
+ *  By CompuPhase, 2008-2019
  *  This "glue file" is in the public domain. It is distributed without
  *  warranties or conditions of any kind, either express or implied.
  *
@@ -11,16 +11,24 @@
 
 #define INI_BUFFERSIZE  256       /* maximum line length, maximum path length */
 
-/* You must set _USE_STRFUNC to 1 or 2 in the include file ff.h (or tff.h)
+/* You must set FF_USE_STRFUNC to 1 or 2 in the include file ff.h (or tff.h)
  * to enable the "string functions" fgets() and fputs().
  */
 #include "ff.h"                   /* include tff.h for Tiny-FatFs */
 
+/* When setting FF_USE_STRFUNC to 2 (for LF to CR/LF translation), INI_LINETERM
+ * should be defined to "\n" (otherwise "\r\n" will be translated by FatFS to
+ * "\r\r\n").
+*/
+#if defined FF_USE_STRFUNC && FF_USE_STRFUNC == 2 && !defined INI_LINETERM
+  #define INI_LINETERM  "\n"
+#endif
+
 #define INI_FILETYPE    FIL
 #define ini_openread(filename,file)   (f_open((file), (filename), FA_READ+FA_OPEN_EXISTING) == FR_OK)
 #define ini_openwrite(filename,file)  (f_open((file), (filename), FA_WRITE+FA_CREATE_ALWAYS) == FR_OK)
 #define ini_close(file)               (f_close(file) == FR_OK)
-#define ini_read(buffer,size,file)    f_gets((buffer), (size),(file))
+#define ini_read(buffer,size,file)    f_gets((buffer), (size), (file))
 #define ini_write(buffer,file)        f_puts((buffer), (file))
 #define ini_remove(filename)          (f_unlink(filename) == FR_OK)
 

dev/minGlue-efsl.h

@@ -1,5 +1,5 @@
 /*  Glue functions for the minIni library, based on the EFS Library, see
- *  http://www.efsl.be/
+ *  https://sourceforge.net/projects/efsl/
  *
  *  By CompuPhase, 2008-2012
  *  This "glue file" is in the public domain. It is distributed without

dev/minGlue-ffs.h

@@ -1,12 +1,13 @@
 /*  Glue functions for the minIni library, based on the "FAT Filing System"
- *  library by embedded-code.com
+ *  library by embedded-code.com, now IBEX UK.
+ *  https://github.com/ibexuk/C_Memory_SD_Card_FAT_Driver
  *
  *  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.
  *
- *  (The "FAT Filing System" library itself is copyright embedded-code.com, and
- *  licensed at its own terms.)
+ *  (The "FAT Filing System" library itself is copyright IBEX UK, and licensed
+ *  at its own terms.)
  */
 
 #define INI_BUFFERSIZE  256       /* maximum line length, maximum path length */

dev/minIni.c

@@ -460,7 +460,7 @@ int  ini_getkey(const TCHAR *Section, int idx, TCHAR *Buffer, int BufferSize, co
  *                    callback stops the browsing, this function will return 1
  *                    (for success).
  */
-int  ini_browse(INI_CALLBACK Callback, void *UserData, const TCHAR *Filename)
+int ini_browse(INI_CALLBACK Callback, void *UserData, const TCHAR *Filename)
 {
   TCHAR LocalBuffer[INI_BUFFERSIZE];
   int lenSec, lenKey;
@@ -520,7 +520,7 @@ static void ini_tempname(TCHAR *dest, const TCHAR *source, int maxlength)
   TCHAR *p;
 
   ini_strncpy(dest, source, maxlength, QUOTE_NONE);
-  p = _tcsrchr(dest, '\0');
+  p = _tcschr(dest, '\0');
   assert(p != NULL);
   *(p - 1) = '~';
 }
@@ -544,7 +544,7 @@ static void writesection(TCHAR *LocalBuffer, const TCHAR *Section, INI_FILETYPE
     TCHAR *p;
     LocalBuffer[0] = '[';
     ini_strncpy(LocalBuffer + 1, Section, INI_BUFFERSIZE - 4, QUOTE_NONE);  /* -1 for '[', -1 for ']', -2 for '\r\n' */
-    p = _tcsrchr(LocalBuffer, '\0');
+    p = _tcschr(LocalBuffer, '\0');
     assert(p != NULL);
     *p++ = ']';
     _tcscpy(p, INI_LINETERM); /* copy line terminator (typically "\n") */
@@ -558,11 +558,11 @@ static void writekey(TCHAR *LocalBuffer, const TCHAR *Key, const TCHAR *Value, I
   TCHAR *p;
   enum quote_option option = check_enquote(Value);
   ini_strncpy(LocalBuffer, Key, INI_BUFFERSIZE - 3, QUOTE_NONE);  /* -1 for '=', -2 for '\r\n' */
-  p = _tcsrchr(LocalBuffer, '\0');
+  p = _tcschr(LocalBuffer, '\0');
   assert(p != NULL);
   *p++ = '=';
   ini_strncpy(p, Value, INI_BUFFERSIZE - (p - LocalBuffer) - 2, option); /* -2 for '\r\n' */
-  p = _tcsrchr(LocalBuffer, '\0');
+  p = _tcschr(LocalBuffer, '\0');
   assert(p != NULL);
   _tcscpy(p, INI_LINETERM); /* copy line terminator (typically "\n") */
   if (fp != NULL)