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another step in fixing issue #3985

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This changes all of the builtins to behave like `string` to return
STATUS_INVALID_ARGS (121) if the args passed to the command don't make
sense. Also change several of the builtins to use the existing symbols
(e.g., STATUS_CMD_OK and STATUS_CMD_ERROR) rather than hardcoded "0"
and "1" for consistency and to make it easier to find such values in
the future.

Fixes #3985
This commit is contained in:
Kurtis Rader
2017-05-04 21:35:41 -07:00
parent be2b6bfdc9
commit e6e1805c5f
13 changed files with 163 additions and 169 deletions
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39
src/builtin_commandline.cpp
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@@ -201,13 +201,13 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
if (is_interactive_session) {
// Prompt change requested while we don't have a prompt, most probably while reading the
// init files. Just ignore it.
return 1;
return STATUS_CMD_ERROR;
}
streams.err.append(argv[0]);
streams.err.append(L": Can not set commandline in non-interactive mode\n");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_CMD_ERROR;
}
w.woptind = 0;
@@ -244,7 +244,7 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
long_options[opt_index].name);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_CMD_ERROR;
}
case L'a': {
append_mode = APPEND_MODE;
@@ -313,11 +313,11 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
}
case 'h': {
builtin_print_help(parser, streams, argv[0], streams.out);
return 0;
return STATUS_CMD_OK;
}
case L'?': {
builtin_unknown_option(parser, streams, argv[0], argv[w.woptind - 1]);
return 1;
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected opt");
@@ -333,16 +333,14 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
if (buffer_part || cut_at_cursor || append_mode || tokenize || cursor_mode || line_mode ||
search_mode || paging_mode) {
streams.err.append_format(BUILTIN_ERR_COMBO, argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_INVALID_ARGS;
}
if (argc == w.woptind) {
streams.err.append_format(BUILTIN_ERR_MISSING, argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_INVALID_ARGS;
}
for (i = w.woptind; i < argc; i++) {
@@ -355,11 +353,11 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
streams.err.append_format(_(L"%ls: Unknown input function '%ls'"), argv[0],
argv[i]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_INVALID_ARGS;
}
}
return 0;
return STATUS_CMD_OK;
}
if (selection_mode) {
@@ -368,40 +366,37 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
if (reader_get_selection(&start, &len)) {
streams.out.append(buffer + start, len);
}
return 0;
return STATUS_CMD_OK;
}
// Check for invalid switch combinations.
if ((search_mode || line_mode || cursor_mode || paging_mode) && (argc - w.woptind > 1)) {
streams.err.append_format(L"%ls: Too many arguments", argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_INVALID_ARGS;
}
if ((buffer_part || tokenize || cut_at_cursor) &&
(cursor_mode || line_mode || search_mode || paging_mode)) {
streams.err.append_format(BUILTIN_ERR_COMBO, argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_INVALID_ARGS;
}
if ((tokenize || cut_at_cursor) && (argc - w.woptind)) {
streams.err.append_format(
BUILTIN_ERR_COMBO2, argv[0],
L"--cut-at-cursor and --tokenize can not be used when setting the commandline");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_INVALID_ARGS;
}
if (append_mode && !(argc - w.woptind)) {
streams.err.append_format(
BUILTIN_ERR_COMBO2, argv[0],
L"insertion mode switches can not be used when not in insertion mode");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
return STATUS_INVALID_ARGS;
}
// Set default modes.
@@ -427,14 +422,14 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
} else {
streams.out.append_format(L"%lu\n", (unsigned long)reader_get_cursor_pos());
}
return 0;
return STATUS_CMD_OK;
}
if (line_mode) {
size_t pos = reader_get_cursor_pos();
const wchar_t *buff = reader_get_buffer();
streams.out.append_format(L"%lu\n", (unsigned long)parse_util_lineno(buff, pos));
return 0;
return STATUS_CMD_OK;
}
if (search_mode) {
@@ -483,5 +478,5 @@ int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
replace_part(begin, end, sb.c_str(), append_mode);
}
return 0;
return STATUS_CMD_OK;
}