#include <config.h>
#if defined (HAVE_UNISTD_H)
# ifdef _MINIX
# include <sys/types.h>
# endif
# include <unistd.h>
#endif
#include <bashansi.h>
#include "shell.h"
#include <tilde/tilde.h>
#ifndef NULL
# define NULL 0
#endif
#ifndef MP_DOTILDE
# define MP_DOTILDE 0x01
# define MP_DOCWD 0x02
# define MP_RMDOT 0x04
#endif
extern char *get_working_directory __P((char *));
#define MAKEDOT() \
do { \
xpath = (char *)xmalloc (2); \
xpath[0] = '.'; \
xpath[1] = '\0'; \
pathlen = 1; \
} while (0)
char *
sh_makepath (path, dir, flags)
const char *path, *dir;
int flags;
{
int dirlen, pathlen;
char *ret, *xpath, *xdir, *r, *s;
if (path == 0 || *path == '\0')
{
if (flags & MP_DOCWD)
{
xpath = get_working_directory ("sh_makepath");
if (xpath == 0)
{
ret = get_string_value ("PWD");
if (ret)
xpath = savestring (ret);
}
if (xpath == 0)
MAKEDOT();
else
pathlen = strlen (xpath);
}
else
MAKEDOT();
}
else
{
xpath = ((flags & MP_DOTILDE) && *path == '~') ? bash_tilde_expand (path, 0) : (char *)path;
pathlen = strlen (xpath);
}
xdir = (char *)dir;
dirlen = strlen (xdir);
if ((flags & MP_RMDOT) && dir[0] == '.' && dir[1] == '/')
{
xdir += 2;
dirlen -= 2;
}
r = ret = (char *)xmalloc (2 + dirlen + pathlen);
s = xpath;
while (*s)
*r++ = *s++;
if (s[-1] != '/')
*r++ = '/';
s = xdir;
while (*r++ = *s++)
;
if (xpath != path)
free (xpath);
return (ret);
}