STATIC void
options(int cmdline)
{
char *p;
int val;
int c;
if (cmdline)
minusc = NULL;
while ((p = *argptr) != NULL) {
argptr++;
if ((c = *p++) == '-') {
val = 1;
if (p[0] == '\0' || (p[0] == '-' && p[1] == '\0')) {
if (!cmdline) {
/* "-" means turn off -x and -v */
if (p[0] == '\0')
xflag = vflag = 0;
/* "--" means reset params */
else if (*argptr == NULL)
setparam(argptr);
}
break; /* "-" or "--" terminates options */
}
} else if (c == '+') {
val = 0;
} else {
argptr--;
break;
}
while ((c = *p++) != '\0') {
if (c == 'c' && cmdline) {
char *q;
#ifdef NOHACK /* removing this code allows sh -ce 'foo' for compat */
if (*p == '\0')
#endif
q = *argptr++;
if (q == NULL || minusc != NULL)
error("Bad -c option");
minusc = q;
#ifdef NOHACK
break;
#endif
} else if (c == 'o') {
minus_o(*argptr, val);
if (*argptr)
argptr++;
} else {
if (c == 'p' && !val && privileged) {
(void) setuid(getuid());
(void) setgid(getgid());
}
setoption(c, val);
}
}
}
}
STATIC int
options(int cmdline)
{
char *p;
int val;
int c;
int login = 0;
if (cmdline)
minusc = NULL;
while ((p = *argptr) != NULL) {
argptr++;
if ((c = *p++) == '-') {
val = 1;
if (p[0] == '\0' || (p[0] == '-' && p[1] == '\0')) {
if (!cmdline) {
/* "-" means turn off -x and -v */
if (p[0] == '\0')
xflag = vflag = 0;
/* "--" means reset params */
else if (*argptr == NULL)
setparam(argptr);
}
break; /* "-" or "--" terminates options */
}
} else if (c == '+') {
val = 0;
} else {
argptr--;
break;
}
while ((c = *p++) != '\0') {
if (c == 'c' && cmdline) {
minusc = p; /* command is after shell args*/
} else if (c == 'l' && cmdline) {
login = 1;
} else if (c == 'o') {
minus_o(*argptr, val);
if (*argptr)
argptr++;
} else {
setoption(c, val);
}
}
}
return login;
}
static void
options(int cmdline)
{
char *kp, *p;
int val;
int c;
if (cmdline)
minusc = NULL;
while ((p = *argptr) != NULL) {
argptr++;
if ((c = *p++) == '-') {
val = 1;
/* A "-" or "--" terminates options */
if (p[0] == '\0')
goto end_options1;
if (p[0] == '-' && p[1] == '\0')
goto end_options2;
/**
* For the benefit of `#!' lines in shell scripts,
* treat a string of '-- *#.*' the same as '--'.
* This is needed so that a script starting with:
* #!/bin/sh -- # -*- perl -*-
* will continue to work after a change is made to
* kern/imgact_shell.c to NOT token-ize the options
* specified on a '#!' line. A bit of a kludge,
* but that trick is recommended in documentation
* for some scripting languages, and we might as
* well continue to support it.
*/
if (p[0] == '-') {
kp = p + 1;
while (*kp == ' ' || *kp == '\t')
kp++;
if (*kp == '#' || *kp == '\0')
goto end_options2;
}
} else if (c == '+') {
val = 0;
} else {
argptr--;
break;
}
while ((c = *p++) != '\0') {
if (c == 'c' && cmdline) {
char *q;
#ifdef NOHACK /* removing this code allows sh -ce 'foo' for compat */
if (*p == '\0')
#endif
q = *argptr++;
if (q == NULL || minusc != NULL)
error("Bad -c option");
minusc = q;
#ifdef NOHACK
break;
#endif
} else if (c == 'o') {
minus_o(*argptr, val);
if (*argptr)
argptr++;
} else
setoption(c, val);
}
}
return;
/* When processing `set', a single "-" means turn off -x and -v */
end_options1:
if (!cmdline) {
xflag = vflag = 0;
return;
}
/*
* When processing `set', a "--" means the remaining arguments
* replace the positional parameters in the active shell. If
* there are no remaining options, then all the positional
* parameters are cleared (equivalent to doing ``shift $#'').
*/
end_options2:
if (!cmdline) {
if (*argptr == NULL)
setparam(argptr);
return;
}
/*
* At this point we are processing options given to 'sh' on a command
* line. If an end-of-options marker ("-" or "--") is followed by an
* arg of "#", then skip over all remaining arguments. Some scripting
* languages (e.g.: perl) document that /bin/sh will implement this
* behavior, and they recommend that users take advantage of it to
* solve certain issues that can come up when writing a perl script.
* Yes, this feature is in /bin/sh to help users write perl scripts.
*/
p = *argptr;
if (p != NULL && p[0] == '#' && p[1] == '\0') {
while (*argptr != NULL)
argptr++;
/* We need to keep the final argument */
argptr--;
}
}
