/* misc.c	Misc. functions

	1985	Mark E. Mallett


Included are

	nccmp		Compare 2 strings with no case sensitivity
	newstr		Allocate a new copy of a string.
	chkfor		Check that an event is for the current user

*/

#include "minder.h"
#include "mem.h"

/* External routines */


/* External data */

extern	char	*Usrnam;		/* Name of current user */


/* Internal routines */


/* Internal data */



/*

*//* nccmp(s1,s2)

	Compare strings without case sensitivity

Accepts :

	s1		Addr of first string
	s2		Addr of second string

Returns :

	<value>		-1 if s1 < s2
			 0 if s1 = s2
			 1 if s1 > s2

*/

nccmp (s1,s2)

char		*s1;			/* String 1 */
char		*s2;			/* String 2 */

{
IND	int	c1,c2;			/* Chars */

while (TRUE)
    {
    c1 = *s1++;
    c1 = toupper(c1);
    c2 = *s2++;
    c2 = toupper(c2);
    if (c1 < c2)
	return (-1);
    if (c1 > c2)
	return (1);
    if (c1 == NUL)
	return(0);
    }
}
/*

*//* newstr (str)

	Makes a copy of a string


Accepts :

	str		Addr of string to copy


Returns :

	<value>		Address of copy


*/

char *newstr (str)

char		*str;			/* String to copy */

{
IND	char	*sptr;			/* Points to new string */

sptr = calloc (1, strlen(str)+1);	/* Make space for new string */
strcpy (sptr, str);			/* Copy it */
return (sptr);				/* Return it */
}
/*

*//* chkfor (EVTptr)

	Check that an event is for the current user, by user name.


Accepts :

	EVTptr		Address of event block


Returns :

	<value>		TRUE if it is for the user
			FALSE if not


*/

int chkfor (EVTptr)

EVT		*EVTptr;		/* Points to event thing */

{
if (EVTptr -> EVT_FOR == NULL)		/* If for nobody */
    return (TRUE);			/*  then it is for everybody */
if (Usrnam == NULL)			/* If no username */
    return (FALSE);			/*  then not for me. */
return (nccmp(Usrnam, EVTptr -> EVT_FOR) == 0);
					/* Do no-case comparison */
}