Merge pull request #610 from AnthonyDiGirolamo/cpp17-compatibility

Update itoa.c for -std=c++17 compatibility

Author: hathach

cores/nRF5/itoa.c

@@ -23,6 +23,55 @@
 extern "C" {
 #endif
 
+/* reverse:  reverse string s in place */
+/*
+static void reverse( char s[] )
+{
+  int i, j ;
+  char c ;
+
+  for ( i = 0, j = strlen(s)-1 ; i < j ; i++, j-- )
+  {
+    c = s[i] ;
+    s[i] = s[j] ;
+    s[j] = c ;
+  }
+}
+*/
+
+/* itoa:  convert n to characters in s */
+/*
+extern void itoa( int n, char s[] )
+{
+  int i, sign ;
+
+  if ( (sign = n) < 0 )  // record sign
+  {
+    n = -n;          // make n positive
+  }
+
+  i = 0;
+  do
+  {       // generate digits in reverse order
+    s[i++] = n % 10 + '0';   // get next digit
+  } while ((n /= 10) > 0) ;     // delete it
+
+  if (sign < 0 )
+  {
+    s[i++] = '-';
+  }
+
+  s[i] = '\0';
+
+  reverse( s ) ;
+}
+*/
+
+extern char* itoa( int value, char *string, int radix )
+{
+  return ltoa( value, string, radix ) ;
+}
+
 extern char* ltoa( long value, char *string, int radix )
 {
   char tmp[33];
@@ -73,6 +122,11 @@ extern char* ltoa( long value, char *string, int radix )
   return string;
 }
 
+extern char* utoa( unsigned int value, char *string, int radix )
+{
+  return ultoa( value, string, radix ) ;
+}
+
 extern char* ultoa( unsigned long value, char *string, int radix )
 {
   char tmp[33];

cores/nRF5/itoa.h

@@ -22,9 +22,14 @@
 extern "C"{
 #endif
 
+//extern void itoa( int n, char s[] ) ;
+
+extern char* itoa( int value, char *string, int radix ) ;
 extern char* ltoa( long value, char *string, int radix ) ;
+extern char* utoa( unsigned int value, char *string, int radix ) ;
 extern char* ultoa( unsigned long value, char *string, int radix ) ;
 
 #ifdef __cplusplus
 } // extern "C"
 #endif
+