/* opens a temporary file and adds it as the specified virtual fd
* ----------------------------------------------------------------------- */
int fd_tempfile(struct fd *fd) {
int e;
/* reset the template to what mkstemp expects */
str_copy(&fd_tempname[sizeof(fd_tempname)-7], "XXXXXX");
/* try to create a tempfile and exit on failure
otherwise track the newly created file descriptor */
if((e = open_temp(fd_tempname)) == -1)
return e;
fdtable_track(e, FDTABLE_LAZY);
/* tempfiles are initially in write mode only */
fd->mode = FD_WRITE;
fd_setfd(fd, e);
/* unlink the file, the fd should now be the only reference */
unlink(fd_tempname);
/* make a copy of the name because the
next call will change fd_tempname */
fd->name = shell_strdup(fd_tempname);
fd->mode |= FD_FREENAME;
return e;
}
int parse_line(const char *buf, char *argv[], int max_args, char *redirect_in, char *redirect_out)
{
const char *scan=buf;
const char *type_char;
const char *start;
char out[SCAN_SIZE+1];
char tmp[SCAN_SIZE+1];
char *arg_tmp;
int arg_cnt = 0;
int len = 0;
int replace;
//int param;
redirect_in[0] = 0;
redirect_out[0] = 0;
//printf("parse '%s'", buf );
while(1){
while((*scan != 0) && (isspace(*scan))) scan++;
if(*scan == 0) break;
replace = 1;
type_char = scan;
start = scan;
//param = 1;
switch(*type_char){
case '\'':
replace = 0;
case '"':
scan++;
start++;
while((*scan != 0) && (*scan != *start)) scan++;
break;
case '>':
case '<':
start++;
while((*start != 0) && (isspace(*start))) start++;
scan = start;
default:
while((*scan != 0) && (!isspace(*scan))) scan++;
}
len = scan - start;
if(*scan != 0) scan++;
if(replace){
memcpy(tmp,start,len);
tmp[len]=0;
parse_vars_in_string(tmp,out,SCAN_SIZE);
} else {
memcpy(out,start,len);
out[len]=0;
}
switch(*type_char){
case '>':
strcpy(redirect_out,out);
break;
case '<':
strcpy(redirect_in,out);
break;
default:
if(arg_cnt < max_args){
arg_tmp = shell_strdup(out);
if(arg_tmp != NULL) argv[arg_cnt++] = arg_tmp;
}
}
}
return arg_cnt;
}
