From c6071aae178ff9c44820d533701c09577c8840c5 Mon Sep 17 00:00:00 2001 From: Johnny Richard Date: Sat, 16 Apr 2022 03:39:09 +0200 Subject: Create string_view struct --- string_view.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 string_view.c (limited to 'string_view.c') diff --git a/string_view.c b/string_view.c new file mode 100644 index 0000000..d9d6632 --- /dev/null +++ b/string_view.c @@ -0,0 +1,60 @@ +/* + * Papo IRC Server + * Copyright (C) 2021 Johnny Richard + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . + */ +#include "string_view.h" + +#include +#include + +string_view_t +string_view_new(const char *cstr, size_t size) +{ + assert(cstr); + + return (string_view_t) { + .size = size, + .data = cstr + }; +} + +string_view_t +string_view_from_cstr(const char *cstr) +{ + return string_view_new(cstr, strlen(cstr)); +} + + +string_view_t +string_view_chop_by_delim(string_view_t *sv, char delim) +{ + size_t i = 0; + while (sv->data[i] != delim && i < sv->size) { + ++i; + } + + string_view_t chopped_sv = string_view_new(sv->data, i); + + if (i < sv->size) { + sv->size -= i + 1; + sv->data += i + 1; + } else { + sv->size -= i; + sv->data += i; + } + + return chopped_sv; +} -- cgit v1.2.3