cracklib2/lib/stringlib.c

60 lines
1.0 KiB
C

/*
* This program is copyright Alec Muffett 1993, portions copyright other authors.
* The authors disclaim all responsibility or liability with respect to it's usage
* or its effect upon hardware or computer systems.
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#include "packer.h"
static const char vers_id[] = "stringlib.c : v2.3p2 Alec Muffett 18 May 1993";
char
Chop(string)
register char *string;
{
register char c;
register char *ptr;
c = '\0';
for (ptr = string; *ptr; ptr++);
if (ptr != string)
{
c = *(--ptr);
*ptr = '\0';
}
return (c);
}
char *
Trim(string)
register char *string;
{
register char *ptr;
for (ptr = string; *ptr; ptr++);
while ((--ptr >= string) && isspace(*ptr));
*(++ptr) = '\0';
return (ptr);
}
char *
Clone(string)
char *string;
{
register char *retval;
retval = (char *) malloc(strlen(string) + 1);
if (retval)
{
strcpy(retval, string);
}
return (retval);
}