URL
https://opencores.org/ocsvn/openfire2/openfire2/trunk
[/] [openfire2/] [trunk/] [sw/] [lib/] [gethexstring.c] - Diff between revs 4 and 6
Only display areas with differences |
Details |
Blame |
View Log
| Rev 4 |
Rev 6 |
#include "openfire.h"
|
#include "openfire.h"
|
|
|
static unsigned gethexchar(char c)
|
static unsigned gethexchar(char c)
|
{
|
{
|
if(c >= 'a') c = c - 'a' + '0' + 10;
|
if(c >= 'a') c = c - 'a' + '0' + 10;
|
else if(c >= 'A') c = c - 'A' + '0' + 10;
|
else if(c >= 'A') c = c - 'A' + '0' + 10;
|
return c - '0';
|
return c - '0';
|
}
|
}
|
|
|
static unsigned ishexdigit(char c)
|
static unsigned ishexdigit(char c)
|
{
|
{
|
return (c >= '0' && c <= '9') ||
|
return (c >= '0' && c <= '9') ||
|
(c >= 'a' && c <= 'f') ||
|
(c >= 'a' && c <= 'f') ||
|
(c >= 'A' && c <= 'F');
|
(c >= 'A' && c <= 'F');
|
}
|
}
|
|
|
char *gethexstring(char *string, unsigned *value, unsigned maxdigits)
|
char *gethexstring(char *string, unsigned *value, unsigned maxdigits)
|
{
|
{
|
unsigned number = 0;
|
unsigned number = 0;
|
|
|
while( ishexdigit( string[0] ) && maxdigits > 0)
|
while( ishexdigit( string[0] ) && maxdigits > 0)
|
{
|
{
|
number <<= 4;
|
number <<= 4;
|
number |= gethexchar(string[0]);
|
number |= gethexchar(string[0]);
|
string++;
|
string++;
|
maxdigits--;
|
maxdigits--;
|
}
|
}
|
|
|
*value = number;
|
*value = number;
|
return string;
|
return string;
|
}
|
}
|
|
|
© copyright 1999-2024
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.