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-rw-r--r--generic/regc_lex.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/generic/regc_lex.c b/generic/regc_lex.c
index 5b93e0b..d07fe72 100644
--- a/generic/regc_lex.c
+++ b/generic/regc_lex.c
@@ -1,6 +1,33 @@
/*
* lexical analyzer
* This file is #included by regcomp.c.
+ *
+ * Copyright (c) 1998, 1999 Henry Spencer. All rights reserved.
+ *
+ * Development of this software was funded, in part, by Cray Research Inc.,
+ * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
+ * Corporation, none of whom are responsible for the results. The author
+ * thanks all of them.
+ *
+ * Redistribution and use in source and binary forms -- with or without
+ * modification -- are permitted for any purpose, provided that
+ * redistributions in source form retain this entire copyright notice and
+ * indicate the origin and nature of any modifications.
+ *
+ * I'd appreciate being given credit for this package in the documentation
+ * of software which uses it, but that is not a requirement.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
*/
/* scanning macros (know about v) */
@@ -977,6 +1004,23 @@ newline()
}
/*
+ - ch - return the chr sequence for locale.c's fake collating element ch
+ * This helps confine use of CHR to this source file.
+ ^ #ifdef REG_DEBUG
+ ^ static chr *ch(NOPARMS);
+ ^ #endif
+ */
+#ifdef REG_DEBUG
+static chr *
+ch()
+{
+ static chr chstr[] = { CHR('c'), CHR('h'), CHR('\0') };
+
+ return chstr;
+}
+#endif
+
+/*
- chrnamed - return the chr known by a given (chr string) name
* The code is a bit clumsy, but this routine gets only such specialized
* use that it hardly matters.