Diff: http/server/strlib.cpp

Revision:

0:50cedd586816

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/http/server/strlib.cpp	Wed Jun 24 09:54:16 2015 +0000
@@ -0,0 +1,150 @@
+//*****************************************************************************
+// Copyright (C) 2014 Texas Instruments Incorporated
+//
+// All rights reserved. Property of Texas Instruments Incorporated.
+// Restricted rights to use, duplicate or disclose this code are
+// granted through contract.
+// The program may not be used without the written permission of
+// Texas Instruments Incorporated or against the terms and conditions
+// stipulated in the agreement under which this program has been supplied,
+// and under no circumstances can it be used with non-TI connectivity device.
+//
+//*****************************************************************************
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "strlib.h"
+
+
+/*****************************************************************************
+*
+*  itoa
+*
+*  \param  n is the number to be converted to ASCII
+*          s is a pointer to an array where the ASCII string will be placed
+*          b is the base (10 for decimal)
+*
+*  \return None
+*
+*  \brief  Integer to ASCII
+*
+*****************************************************************************/
+char *itoa(int n, char *s, int b) {
+	const char digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
+	unsigned int i = 0;
+	int sign;
+
+	if ((sign = n) < 0)
+		n = -n;
+
+	do {
+		s[i++] = digits[n % b];
+	} while ((n /= b) > 0);
+
+	if (sign < 0)
+		s[i++] = '-';
+	s[i] = '\0';
+
+	return strrev(s);
+}
+
+/*****************************************************************************
+*
+*  itoa
+*
+*  \param  str is a pointer to the string to be reversed
+*
+*  \return None
+*
+*  \brief  Reverses a string
+*
+*****************************************************************************/
+char *strrev(char *str) {
+	char *p1, *p2;
+
+	if (!str || !*str)
+		return str;
+
+	for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2) {
+		*p1 ^= *p2;
+		*p2 ^= *p1;
+		*p1 ^= *p2;
+	}
+
+	return str;
+}
+
+/* Little endian format */
+void WordToBytes(void *pBuff, void const*pvalue, unsigned int NumBytes)
+{
+	unsigned char *pSource, *pDest;
+	int byte = 0;
+
+	pSource = (unsigned char *)pvalue;
+	pDest = (unsigned char *)pBuff;
+
+  for(byte = 0; byte < NumBytes; byte++)
+  {
+		*pDest++ = *pSource++;
+	}
+}
+
+int String_utoa(int uNum, char *pString)
+{
+    char digits[] = "0123456789";
+    char* ptr;
+    int uLength;
+    int uTemp = uNum;
+
+    // value 0 is a special format
+    if (uNum == 0)
+    {
+        uLength = 1;
+        *pString = '0';
+        return uLength;
+    }
+
+    // Find out the length of the number, in decimal base
+    uLength = 0;
+    while (uTemp > 0)
+    {
+        uTemp /= 10;
+        uLength++;
+    }
+
+    // Do the actual formatting, right to left
+    uTemp = uNum;
+    ptr = (char*)pString + uLength;
+    while (uTemp > 0)
+    {
+        --ptr;
+        *ptr = digits[uTemp % 10];
+        uTemp /= 10;
+    }
+    return uLength;
+}
+
+int iptostring(unsigned char *ip, char *ipstring)
+{
+  int temp,i, length, uLength;
+  char *ptr;
+  ip =ip +3;
+  ptr = ipstring;
+  uLength = 0;
+  for (i=0; i<4; i++)
+  {
+    temp = *ip;
+    length = String_utoa((unsigned long) temp, ptr);
+    ptr = ptr + length;
+    uLength += length;
+    *ptr = '.';
+    ptr++;
+    uLength++;
+    ip--;
+  }
+  return (uLength-1);
+}
+
+