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irix-657m-src/eoe/cmd/lp_svr4/lib/lp/makepath.c
2022-09-29 17:59:04 +03:00

108 lines
2.2 KiB
C

/*
* |-----------------------------------------------------------|
* | Copyright (c) 1991, 1990 MIPS Computer Systems, Inc. |
* | All Rights Reserved |
* |-----------------------------------------------------------|
* | Restricted Rights Legend |
* | Use, duplication, or disclosure by the Government is |
* | subject to restrictions as set forth in |
* | subparagraph (c)(1)(ii) of the Rights in Technical |
* | Data and Computer Software Clause of DFARS 252.227-7013. |
* | MIPS Computer Systems, Inc. |
* | 950 DeGuigne Avenue |
* | Sunnyvale, California 94088-3650, USA |
* |-----------------------------------------------------------|
*/
#ident "$Header: /proj/irix6.5.7m/isms/eoe/cmd/lp_svr4/lib/lp/RCS/makepath.c,v 1.1 1992/12/14 13:28:57 suresh Exp $"
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
/* LINTLIBRARY */
#if defined(__STDC__)
#include "stdarg.h"
#else
#include "varargs.h"
#endif
#include "string.h"
#include "errno.h"
#include "stdlib.h"
#include "lp.h"
/**
** makepath() - CREATE PATHNAME FROM COMPONENTS
**/
/*VARARGS1*/
char *
#if defined(__STDC__)
makepath (
char * s,
...
)
#else
makepath (s, va_alist)
char * s;
va_dcl
#endif
{
register va_list ap;
register char *component,
*p,
*q;
register int len;
char *ret;
#if defined(__STDC__)
va_start (ap, s);
#else
va_start (ap);
#endif
for (len = strlen(s) + 1; (component = va_arg(ap, char *)); )
len += strlen(component) + 1;
va_end (ap);
if (!len) {
errno = 0;
return (0);
}
if (!(ret = Malloc(len))) {
errno = ENOMEM;
return (0);
}
#if defined(__STDC__)
va_start (ap, s);
#else
va_start (ap);
#endif
for (
p = ret, component = s;
component;
component = va_arg(ap, char *)
) {
for (q = component; *q; )
*p++ = *q++;
*p++ = '/';
}
p[-1] = 0;
va_end (ap);
return (ret);
}