Use an all-permissive copyright notice, recommended by RMS.

[gnulib.git] / lib / strsep.h

diff --git a/lib/strsep.h b/lib/strsep.h
index 87351ff..5b5383f 100644 (file)
--- a/lib/strsep.h
+++ b/lib/strsep.h
@@ -20,11 +20,15 @@
 #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 +39,15 @@
    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_ */