Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/basic/extract-word.h b/src/basic/extract-word.h
new file mode 100644
index 0000000..c82ad76
--- /dev/null
+++ b/src/basic/extract-word.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "macro.h"
+
+typedef enum ExtractFlags {
+        EXTRACT_RELAX                    = 1 << 0, /* Allow unbalanced quote and eat up trailing backslash. */
+        EXTRACT_CUNESCAPE                = 1 << 1, /* Unescape known escape sequences. */
+        EXTRACT_UNESCAPE_RELAX           = 1 << 2, /* Allow and keep unknown escape sequences, allow and keep trailing backslash. */
+        EXTRACT_UNESCAPE_SEPARATORS      = 1 << 3, /* Unescape separators (those specified, or whitespace by default). */
+        EXTRACT_KEEP_QUOTE               = 1 << 4, /* Ignore separators in quoting with "" and ''. */
+        EXTRACT_UNQUOTE                  = 1 << 5, /* Ignore separators in quoting with "" and '', and remove the quotes. */
+        EXTRACT_DONT_COALESCE_SEPARATORS = 1 << 6, /* Don't treat multiple adjacent separators as one */
+        EXTRACT_RETAIN_ESCAPE            = 1 << 7, /* Treat escape character '\' as any other character without special meaning */
+        EXTRACT_RETAIN_SEPARATORS        = 1 << 8, /* Do not advance the original string pointer past the separator(s) */
+
+        /* Note that if no flags are specified, escaped escape characters will be silently stripped. */
+} ExtractFlags;
+
+int extract_first_word(const char **p, char **ret, const char *separators, ExtractFlags flags);
+int extract_first_word_and_warn(const char **p, char **ret, const char *separators, ExtractFlags flags, const char *unit, const char *filename, unsigned line, const char *rvalue);
+int extract_many_words(const char **p, const char *separators, unsigned flags, ...) _sentinel_;