New modules 'unistr/u8-mbtouc-safe', 'unistr/u16-mbtouc-safe', 'unistr/u32-mbtouc...

[gnulib.git] / lib / strsep.h

diff --git a/lib/strsep.h b/lib/strsep.h
index 87351ff..ca28a2f 100644 (file)
--- a/lib/strsep.h
+++ b/lib/strsep.h
@@ -1,30 +1,33 @@
 /* Copyright (C) 2004 Free Software Foundation, Inc.
- * Written by Yoann Vandoorselaere <yoann@prelude-ids.org>
- *
- * The file is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This file 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this file; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA.
- */
+
+   Written by Yoann Vandoorselaere <yoann@prelude-ids.org>.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 #ifndef GNULIB_STRSEP_H_
 #define GNULIB_STRSEP_H_
 
+#if HAVE_STRSEP
+
 /*
- * Get strsep, if available.
+ * Get strsep() declaration.
  */
 #include <string.h>
 
+#else
+
 /* Searches the next delimiter (char listed in DELIM) starting at *STRINGP.
    If one is found, it is overwritten with a NUL, and *STRINGP is advanced
    to point to the next char after it.  Otherwise, *STRINGP is set to NULL.
@@ -35,9 +38,15 @@
    empty fields.
 
    Caveat: It modifies the original string.
+   Caveat: These functions cannot be used on constant strings.
+   Caveat: The identity of the delimiting character is lost.
    Caveat: It doesn't work with multibyte strings unless all of the delimiter
-           characters are ASCII characters < 0x30.  */
+           characters are ASCII characters < 0x30.
+
+   See also strtok_r().  */
 
 extern char *strsep (char **stringp, const char *delim);
 
+#endif
+
 #endif /* GNULIB_STRSEP_H_ */