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/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_stdlib.h"
#include "ace/OS_NS_strings.h"
#include "ace/OS_NS_ctype.h"
#include "MemUtils.h"
// Convert a piece of memory to hex string
void MemToHex(unsigned char* input, size_t len, CStdString&output)
{
char byteAsHex[10];
for(int i=0; i<len; i++)
{
sprintf(byteAsHex, "%.2x", input[i]);
output += byteAsHex;
}
}
// find the address that follows the given search string between start and stop pointers - case insensitive
char* MemFindAfter(char* toFind, char* start, char* stop)
{
for(char * ptr = start; (ptr<stop) && (ptr != NULL); ptr = (char *)memchr(ptr+1, toFind[0],(stop - start)))
{
if(ACE_OS::strncasecmp(toFind, ptr, strlen(toFind)) == 0)
{
return (ptr+strlen(toFind));
}
}
return NULL;
}
char* MemFindEOL(char* start, char* limit)
{
char* c = start;
while(*c != '\r' && *c != '\n' && c<limit)
{
c++;
}
if(*c == '\r' || *c == '\n')
{
return c;
}
return start;
}
// Grabs a string in memory until encountering null char, a space a CR or LF chars
void MemGrabToken(char* in, CStdString& out)
{
for(char* c = in; *c != '\0' && *c != 0x20 && *c != 0x0D && *c != 0x0A; c = c+1)
{
out += *c;
}
}
void MemGrabAlphaNumToken(char * in, char* limit, CStdString& out)
{
// Look for first alphanum character
char* start = in;
while (!ACE_OS::ace_isalnum(*start) && start<limit)
{
start++;
}
if(start != (limit -1))
{
for(char* c = start; ACE_OS::ace_isalnum(*c); c = c+1)
{
out += *c;
}
}
}
void MemGrabString(char* start, char* stop, CStdString& out)
{
char* c = start;
while(c <= stop)
{
out += *c++;
}
}
// Grabs a line of characters in memory from start pointer
// returns the end of line
char* MemGrabLine(char* start, char* limit, CStdString& out)
{
char* c = start;
while(c < limit && *c != 0x0D && *c != 0x0A)
{
out += *c++;
}
return c;
}
void MemMacToHumanReadable(unsigned char* macAddress, CStdString&output)
{
char byteAsHex[10];
for(int i=0; i<6; i++)
{
ACE_OS::snprintf(byteAsHex, sizeof(byteAsHex), "%.2x", macAddress[i]);
if(output.size())
{
output += ":";
}
output += byteAsHex;
}
}
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