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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:23:56 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:23:56 +0000
commit9620f76a210d9d8c1aaff25e99d6dc513f87e6e9 (patch)
treeceecc90fb95780872c35da764c5163f38e4727c4 /lib/util/strsplit.c
parentInitial commit. (diff)
downloadsudo-9620f76a210d9d8c1aaff25e99d6dc513f87e6e9.tar.xz
sudo-9620f76a210d9d8c1aaff25e99d6dc513f87e6e9.zip
Adding upstream version 1.8.27.upstream/1.8.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--lib/util/strsplit.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/util/strsplit.c b/lib/util/strsplit.c
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+/*
+ * Copyright (c) 2015 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * 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 <config.h>
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <grp.h>
+
+#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);
+}