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Arquivotheca.SunOS-4.1.4/usr.etc/suninstall/lib/dirname.c
seta75D ff309bfe1c Init
2021-10-11 18:37:13 -03:00

46 lines
846 B
C

#ifndef lint
#ifdef SunB1
static char mls_sccsid[] = "@(#)dirname.c 1.1 94/10/31 SMI; SunOS MLS";
#else
static char sccsid[] = "@(#)dirname.c 1.1 94/10/31 SMI";
#endif /* SunB1 */
#endif lint
/*
* Copyright (c) 1989 Sun Microsystems, Inc.
*/
/*
* Name: dirname()
*
* Description: Return the parent directory of 'path'. Returns "."
* if 'path' has no parent.
*
* Note: This routine returns a pointer to static data which
* is overlayed with each call.
*/
#include <sys/param.h>
#include <string.h>
char *
dirname(path)
char * path;
{
char * cp; /* scratch char pointer */
/* path to parent */
static char parent[MAXPATHLEN];
bzero(parent, sizeof(parent));
cp = strrchr(path, '/');
if (cp == NULL)
parent[0] = '.';
else
(void) strncpy(parent, path, cp - path);
return(parent);
} /* end dirname() */