cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / envz.h

diff --git a/i686-linux-gnu-4.7/usr/include/envz.h b/i686-linux-gnu-4.7/usr/include/envz.h
new file mode 100644 (file)
index 0000000..fb4a6d2
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/envz.h
@@ -0,0 +1,73 @@
+/* Routines for dealing with '\0' separated environment vectors
+   Copyright (C) 1995-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library 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.
+
+   The GNU C Library 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 the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _ENVZ_H
+#define _ENVZ_H        1
+
+#include <features.h>
+
+#include <errno.h>
+
+/* Envz's are argz's too, and should be created etc., using the same
+   routines.  */
+#include <argz.h>
+
+__BEGIN_DECLS
+
+/* Returns a pointer to the entry in ENVZ for NAME, or 0 if there is none.  */
+extern char *envz_entry (const char *__restrict __envz, size_t __envz_len,
+                        const char *__restrict __name)
+     __THROW __attribute_pure__;
+
+/* Returns a pointer to the value portion of the entry in ENVZ for NAME, or 0
+   if there is none.  */
+extern char *envz_get (const char *__restrict __envz, size_t __envz_len,
+                      const char *__restrict __name)
+     __THROW __attribute_pure__;
+
+/* Adds an entry for NAME with value VALUE to ENVZ & ENVZ_LEN.  If an entry
+   with the same name already exists in ENVZ, it is removed.  If VALUE is
+   NULL, then the new entry will a special null one, for which envz_get will
+   return NULL, although envz_entry will still return an entry; this is handy
+   because when merging with another envz, the null entry can override an
+   entry in the other one.  Null entries can be removed with envz_strip ().  */
+extern error_t envz_add (char **__restrict __envz,
+                        size_t *__restrict __envz_len,
+                        const char *__restrict __name,
+                        const char *__restrict __value) __THROW;
+
+/* Adds each entry in ENVZ2 to ENVZ & ENVZ_LEN, as if with envz_add().  If
+   OVERRIDE is true, then values in ENVZ2 will supersede those with the same
+   name in ENV, otherwise not.  */
+extern error_t envz_merge (char **__restrict __envz,
+                          size_t *__restrict __envz_len,
+                          const char *__restrict __envz2,
+                          size_t __envz2_len, int __override) __THROW;
+
+/* Remove the entry for NAME from ENVZ & ENVZ_LEN, if any.  */
+extern void envz_remove (char **__restrict __envz,
+                        size_t *__restrict __envz_len,
+                        const char *__restrict __name) __THROW;
+
+/* Remove null entries.  */
+extern void envz_strip (char **__restrict __envz,
+                       size_t *__restrict __envz_len) __THROW;
+
+__END_DECLS
+
+#endif /* envz.h */