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Switch string sub to wcstring

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This commit is contained in:
Fabian Homborg 2018-01-11 15:47:44 +01:00
parent 583d771b10
commit 4cc0c3bfa7
1 changed files with 5 additions and 6 deletions
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11
src/builtin_string.cpp
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@ -1256,20 +1256,19 @@ static int string_sub(parser_t &parser, io_streams_t &streams, int argc, wchar_t
int nsub = 0;
arg_iterator_t aiter(argv, optind, streams);
while (const wchar_t *arg = aiter.next()) {
while (auto s = aiter.nextstr()) {
typedef wcstring::size_type size_type;
size_type pos = 0;
size_type count = wcstring::npos;
wcstring s(arg);
if (opts.start > 0) {
pos = static_cast<size_type>(opts.start - 1);
} else if (opts.start < 0) {
assert(opts.start != LONG_MIN); // checked above
size_type n = static_cast<size_type>(-opts.start);
pos = n > s.length() ? 0 : s.length() - n;
pos = n > s->length() ? 0 : s->length() - n;
}
if (pos > s.length()) {
pos = s.length();
if (pos > s->length()) {
pos = s->length();
}
if (opts.length >= 0) {
@ -1278,7 +1277,7 @@ static int string_sub(parser_t &parser, io_streams_t &streams, int argc, wchar_t
// Note that std::string permits count to extend past end of string.
if (!opts.quiet) {
streams.out.append(s.substr(pos, count));
streams.out.append(s->substr(pos, count));
streams.out.append(L'\n');
}
nsub++;