From ae581a19fbe896a797450b9d9573fb66f2735227 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:37:38 +0200 Subject: Adding upstream version 1.9.13p3. Signed-off-by: Daniel Baumann --- lib/util/strsplit.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 lib/util/strsplit.c (limited to 'lib/util/strsplit.c') diff --git a/lib/util/strsplit.c b/lib/util/strsplit.c new file mode 100644 index 0000000..7663460 --- /dev/null +++ b/lib/util/strsplit.c @@ -0,0 +1,73 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2015 Todd C. Miller + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This is an open source non-commercial project. Dear PVS-Studio, please check it. + * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + */ + +#include + +#include "sudo_compat.h" +#include "sudo_debug.h" +#include "sudo_util.h" + +/* + * Like strtok_r but non-destructive and works w/o a NUL terminator. + * TODO: Optimize by storing current char in a variable ch + */ +const char * +sudo_strsplit_v1(const char *str, const char *endstr, const char *sep, const char **last) +{ + const char *cp, *s; + debug_decl(sudo_strsplit, SUDO_DEBUG_UTIL); + + /* If no str specified, use last ptr (if any). */ + if (str == NULL) + str = *last; + + /* Skip leading separator characters. */ + while (str < endstr) { + for (s = sep; *s != '\0'; s++) { + if (*str == *s) { + str++; + break; + } + } + if (*s == '\0') + break; + } + + /* Empty string? */ + if (str >= endstr) { + *last = endstr; + debug_return_ptr(NULL); + } + + /* Scan str until we hit a char from sep. */ + for (cp = str; cp < endstr; cp++) { + for (s = sep; *s != '\0'; s++) { + if (*cp == *s) + break; + } + if (*s != '\0') + break; + } + *last = cp; + debug_return_const_ptr(str); +} -- cgit v1.2.3