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/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#include <stdio.h>
#define import_spp
#define import_kernel
#define import_knames
#include <iraf.h>
extern char oscwd[];
/* ZFGCWD -- Get working (current) UNIX directory. The current working
* directory, once set, is saved in oscwd.
*/
int
ZFGCWD (
PKCHAR *outstr,
XINT *maxch,
XINT *status
)
{
register char *ip, *op;
register int n;
char dirname[1025];
#ifdef POSIX
char *getcwd();
#else
char *getwd();
#endif
/* If cwd is already known, just return the name. Reconstructing
* the pathname of the cwd is expensive on some systems.
*/
if (oscwd[0] != EOS)
ip = oscwd;
else {
#ifdef POSIX
ip = getcwd (dirname, 1024);
#else
ip = getwd (dirname);
#endif
if (ip == NULL) {
*status = XERR;
return (XERR);
} else
strcpy (oscwd, dirname);
}
op = (char *)outstr;
for (n = *maxch; --n >= 0 && (*op = *ip++) != EOS; )
op++;
/* Make sure a concatenatable directory prefix is returned.
*/
if (*(op-1) != '/') {
*op++ = '/';
*op = EOS;
}
*status = op - (char *)outstr;
return (*status);
}
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