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/* This file is part of the Project Athena Zephyr Notification System.
* It contains functions for general use within the Zephyr server.
*
* Created by: John T. Kohl
*
* $Id$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include <zephyr/mit-copyright.h>
#include "zserver.h"
#ifndef lint
#ifndef SABER
static const char rcsid_common_c[] =
"$Id$";
#endif /* SABER */
#endif /* lint */
/* common routines for the server */
/* copy a string into a newly allocated area */
char *
strsave (const char *sp)
{
char *ret;
ret = strdup(sp);
if (!ret) {
syslog(LOG_CRIT, "no mem strdup'ing");
abort();
}
return ret;
}
/* The "& 0x5f" provides case-insensitivity for ASCII. */
unsigned long
hash(const char *string)
{
unsigned long hval = 0;
char cp;
while (1) {
cp = *string++;
if (!cp)
break;
hval += cp & 0x5f;
cp = *string++;
if (!cp)
break;
hval += (cp & 0x5f) * (3 + (1 << 16));
cp = *string++;
if (!cp)
break;
hval += (cp & 0x5f) * (1 + (1 << 8));
cp = *string++;
if (!cp)
break;
hval += (cp & 0x5f) * (1 + (1 << 12));
cp = *string++;
if (!cp)
break;
hval += (cp & 0x5f) * (1 + (1 << 4));
hval += ((long) hval) >> 18;
}
hval &= 0x7fffffff;
return hval;
}
/* Output a name, replacing newlines with \n and single quotes with \q. */
void dump_quote(char *p, FILE *fp)
{
for (; *p; p++) {
if (*p == '\'') {
putc('\\', fp);
putc('q', fp);
} else if (*p == '\n') {
putc('\\', fp);
putc('n', fp);
} else {
putc(*p, fp);
}
}
}
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