1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/* argvpoly.c
-- set arguments via POLYSHELL (now Thompson Shell??)
-- no errors, don't change anything if
-- it seems shell is not activated */
/* POLYSHELL puts the shell expanded command line
in the environment variable CMDLINE. Ascii 0 is
replaced by \xff.
*/
char *strchr(char *, int), *getenv(char *) ;
char *basename(char *) ;
void *malloc(unsigned) ;
int strcmp(char *, char *) ;
static char *basename(char *s)
/* strip path and extension , upcase the rest */
{
register char *p ;
for ( p = strchr(s,0) ; p > s ; p-- )
switch( p[-1] )
{ case '\\' :
case ':' :
case '/' : return p ;
case '.' : p[-1] = 0 ; break ;
default :
if ( p[-1] >= 'a' && p[-1] <= 'z' ) p[-1] -= 32 ;
break ;
}
return p ;
}
/*---------------------
reargv -- recompute argc and argv for PolyShell
if not under shell do nothing
*------------------------------- */
extern char *progname ;
extern unsigned char _osmajor ;
void reargv(int *argcp , char ***argvp)
{ register char *p ;
char **v , *q, *cmdline, **vx ;
int cnt, cntx ;
if ( _osmajor == 2 ) /* ugh */
(*argvp)[0] = progname ;
else (*argvp)[0] = basename( (*argvp)[0] ) ;
if ( ! (cmdline = getenv("CMDLINE")) ) return ;
if ( *(q = strchr(cmdline,0) - 1) != 0xff )
return ; /* shexpand set wrong */
for ( *q = 0, cnt = 1 , p = cmdline ; p < q ; p++ )
if ( *p == 0xff ) { cnt++ ; *p = 0 ; }
if ( ! (v = (char **) malloc((cnt+1)*sizeof(char*))) )
return ; /* shouldn't happen */
p = cmdline ;
vx = v ; cntx = cnt ;
while ( cnt )
{ *v++ = p ;
cnt-- ;
while ( *p ) p++ ;
p++ ;
}
*v = (char *) 0 ;
v = vx ;
v[0] = basename( v[0] ) ;
if ( strcmp(v[0], (*argvp)[0]) ) return ;/* running under command
and sh earlier */
/* running under PolyShell */
*argcp = cntx ; *argvp = v ;
}
|
