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#include <aim.h>
#include <ctype.h>
/*
* int snlen(const char *)
*
* This takes a screen name and returns its length without
* spaces. If there are no spaces in the SN, then the
* return is equal to that of strlen().
*
*/
static int aim_snlen(const char *sn)
{
int i = 0;
const char *curPtr = NULL;
if (!sn) {
return 0;
}
curPtr = sn;
while ((*curPtr) != (char) '\0') {
if ((*curPtr) != ' ') {
i++;
}
curPtr++;
}
return i;
}
/*
* int sncmp(const char *, const char *)
*
* This takes two screen names and compares them using the rules
* on screen names for AIM/AOL. Mainly, this means case and space
* insensitivity (all case differences and spacing differences are
* ignored).
*
* Return: 0 if equal
* non-0 if different
*
*/
int aim_sncmp(const char *sn1, const char *sn2)
{
const char *curPtr1 = NULL, *curPtr2 = NULL;
if (aim_snlen(sn1) != aim_snlen(sn2)) {
return 1;
}
curPtr1 = sn1;
curPtr2 = sn2;
while ((*curPtr1 != (char) '\0') && (*curPtr2 != (char) '\0')) {
if ((*curPtr1 == ' ') || (*curPtr2 == ' ')) {
if (*curPtr1 == ' ') {
curPtr1++;
}
if (*curPtr2 == ' ') {
curPtr2++;
}
} else {
if (g_ascii_toupper(*curPtr1) != g_ascii_toupper(*curPtr2)) {
return 1;
}
curPtr1++;
curPtr2++;
}
}
/* Should both be NULL */
if (*curPtr1 != *curPtr2) {
return 1;
}
return 0;
}
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