ack/util/cpp/input.c
1987-01-06 15:16:53 +00:00

48 lines
722 B
C

#include "file_info.h"
#include "input.h"
#define INP_TYPE struct file_info
#define INP_VAR finfo
struct file_info finfo;
#include <inp_pkg.body>
char *
getwdir(fn)
char *fn;
{
register char *p;
char *strrindex();
p = strrindex(fn, '/');
while (p && *(p + 1) == '\0') { /* remove trailing /'s */
*p = '\0';
p = strrindex(fn, '/');
}
if (fn[0] == '\0' || (fn[0] == '/' && p == &fn[0])) /* absolute path */
return "";
else
if (p) {
*p = '\0';
fn = Salloc(fn, p - &fn[0] + 1);
*p = '/';
return fn;
}
else return ".";
}
int NoUnstack;
int Unstacked;
AtEoIT()
{
if (NoUnstack) error("unexpected EOF");
DoUnstack();
return 0;
}
AtEoIF()
{
if (NoUnstack) error("unexpected EOF");
return 0;
}