u-boot/common/cli_hush.c

30  * the parser and input reader have been turned inside out.  Now,
31  * the parser is in control, and asks for input as needed.  The old
32  * way had the input reader in control, and it asked for parsing to
339 #define b_getch(input) ((input)->get(input))
340 #define b_peek(input) ((input)->peek(input))
458 static int setup_redirect(struct p_context *ctx, int fd, redir_type style, struct in_str *input);
466 static int redirect_dup_num(struct in_str *input);
468 static int process_command_subs(o_string *dest, struct p_context *ctx, struct in_str *input, int subst_end);
469 static int parse_group(o_string *dest, struct p_context *ctx, struct in_str *input, int ch);
473 static int handle_dollar(o_string *dest, struct p_context *ctx, struct in_str *input);
809 	FILE *input;
816 	input = fopen(child->argv[1], "r");
817 	if (!input) {
826 	mark_open(fileno(input));
827 	status = parse_file_outer(input);
828 	mark_closed(fileno(input));
829 	fclose(input);
1525  * The input of the pipe is always stdin, the output is always
1529  * now has its stdout directed to the input of the appropriate pipe,
2292 	struct in_str *input)
2318 	redir->dup = redirect_dup_num(input);
2605 static int redirect_dup_num(struct in_str *input)
2608 	ch = b_peek(input);
2611 	b_getch(input);  /* get the & */
2612 	ch=b_peek(input);
2614 		b_getch(input);
2620 		b_getch(input);
2621 		ch = b_peek(input);
2693 static int process_command_subs(o_string *dest, struct p_context *ctx, struct in_str *input, int subst_end)
2703 	retcode = parse_stream(&result, &inner, input, subst_end);
2737 	struct in_str *input, int ch)
2752 	rcode=parse_stream(dest,&sub,input,endch);
2832 static int handle_dollar(o_string *dest, struct p_context *ctx, struct in_str *input)
2842 	int ch = input->peek(input);  /* first character after the $ */
2847 		while(ch=b_peek(input),isalnum(ch) || ch=='_') {
2848 			b_getch(input);
2892 			b_getch(input);
2894 			while(ch=b_getch(input),ch!=EOF && ch!='}') {
2905 			b_getch(input);
2906 			process_command_subs(dest, ctx, input, ')');
2927 	 * is smart enough, we could substitute "b_getch(input);"
2931 	if (advance) b_getch(input);
2946 			struct in_str *input, int end_trigger)
2960 	while ((ch=b_getch(input))!=EOF) {
2963 		if (input->__promptme == 0) return 1;
2965 		next = (ch == '\n') ? 0 : b_peek(input);
2998 				while(ch=b_peek(input),ch!=EOF && ch!='\n') { b_getch(input); }
3009 			b_addqchr(dest, b_getch(input), dest->quote);
3012 			if (handle_dollar(dest, ctx, input)!=0) return 1;
3016 			while(ch=b_getch(input),ch!=EOF && ch!='\'') {
3018 				if(input->__promptme == 0) return 1;
3033 			process_command_subs(dest, ctx, input, '`');
3041 				b_getch(input);
3046 			setup_redirect(ctx, redir_fd, redir_style, input);
3054 				b_getch(input);
3057 				b_getch(input);
3062 			setup_redirect(ctx, redir_fd, redir_style, input);
3072 				b_getch(input);
3086 				b_getch(input);
3103 			if (parse_group(dest, ctx, input, ch)!=0) return 1;
3113 			while (ch = b_getch(input), ch != EOF &&
3116 				if (input->__promptme == 0)
3217 					printf("exit not allowed from main input shell.\n");
3264 	struct in_str input;
3276 		setup_string_in_str(&input, p);
3277 		rcode = parse_stream_outer(&input, flag);
3282 	setup_string_in_str(&input, s);
3283 	rcode = parse_stream_outer(&input, flag);
3297 	struct in_str input;
3299 	setup_file_in_str(&input, f);
3301 	setup_file_in_str(&input);
3303 	rcode = parse_stream_outer(&input, FLAG_PARSE_SEMICOLON);
3376 	FILE *input;
3416 		if ((input = fopen("/etc/profile", "r")) != NULL) {
3417 			mark_open(fileno(input));
3418 			parse_file_outer(input);
3419 			mark_closed(fileno(input));
3420 			fclose(input);
3423 	input=stdin;
3455 	 *    standard input is a terminal
3458 	if (argv[optind]==NULL && input==stdin &&
3481 	input = xfopen(argv[optind], "r");
3482 	opt = parse_file_outer(input);
3485 	fclose(input);