-/* lt__argz.h -- internal argz interface for non-glibc systems
-
- Copyright (C) 2004, 2007 Free Software Foundation, Inc.
- Written by Gary V. Vaughan, 2004
-
- NOTE: The canonical source of this file is maintained with the
- GNU Libtool package. Report bugs to bug-libtool@gnu.org.
-
-GNU Libltdl 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 of the License, or (at your option) any later version.
-
-As a special exception to the GNU Lesser General Public License,
-if you distribute this file as part of a program or library that
-is built using GNU Libtool, you may include this file under the
-same distribution terms that you use for the rest of that program.
-
-GNU Libltdl 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 GNU Libltdl; see the file COPYING.LIB. If not, a
-copy can be downloaded from http://www.gnu.org/licenses/lgpl.html,
-or obtained by writing to the Free Software Foundation, Inc.,
-51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+/* Routines for dealing with '\0' separated arg vectors.
+ Copyright (C) 1995-2000, 2004, 2007, 2009-2014 Free Software Foundation,
+ Inc.
+ This file is part of the GNU C Library.
+
+ 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _ARGZ_H
+#define _ARGZ_H 1
-#if !defined(LT__ARGZ_H)
-#define LT__ARGZ_H 1
-#include <stdlib.h>
#define __need_error_t
#include <errno.h>
-#include <sys/types.h>
+#include <string.h> /* Need size_t, and strchr is called below. */
-#if defined(LTDL)
-# include "lt__glibc.h"
-# include "lt_system.h"
-#else
-# define LT_SCOPE
+#ifndef const
+# define const const
#endif
-#if defined(__cplusplus)
-extern "C" {
+#ifndef __error_t_defined
+typedef int error_t;
#endif
-LT_SCOPE error_t argz_append (char **pargz, size_t *pargz_len,
- const char *buf, size_t buf_len);
-LT_SCOPE error_t argz_create_sep(const char *str, int delim,
- char **pargz, size_t *pargz_len);
-LT_SCOPE error_t argz_insert (char **pargz, size_t *pargz_len,
- char *before, const char *entry);
-LT_SCOPE char * argz_next (char *argz, size_t argz_len,
- const char *entry);
-LT_SCOPE void argz_stringify (char *argz, size_t argz_len, int sep);
-
-#if defined(__cplusplus)
+
+
+/* Make a '\0' separated arg vector from a unix argv vector, returning it in
+ ARGZ, and the total length in LEN. If a memory allocation error occurs,
+ ENOMEM is returned, otherwise 0. The result can be destroyed using free. */
+
+extern error_t argz_create (char *const __argv[], char **restrict __argz,
+ size_t *restrict __len);
+
+/* Make a '\0' separated arg vector from a SEP separated list in
+ STRING, returning it in ARGZ, and the total length in LEN. If a
+ memory allocation error occurs, ENOMEM is returned, otherwise 0.
+ The result can be destroyed using free. */
+
+extern error_t argz_create_sep (const char *restrict string,
+ int __sep, char **restrict __argz,
+ size_t *restrict __len);
+
+/* Returns the number of strings in ARGZ. */
+
+extern size_t argz_count (const char *__argz, size_t __len)
+;
+
+/* Puts pointers to each string in ARGZ into ARGV, which must be large enough
+ to hold them all. */
+
+extern void argz_extract (const char *restrict __argz, size_t __len,
+ char **restrict __argv);
+
+/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
+ except the last into the character SEP. */
+
+extern void argz_stringify (char *__argz, size_t __len, int __sep);
+
+/* Append BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */
+
+extern error_t argz_append (char **restrict __argz,
+ size_t *restrict __argz_len,
+ const char *restrict __buf, size_t __buf_len)
+;
+
+/* Append STR to the argz vector in ARGZ & ARGZ_LEN. */
+
+extern error_t argz_add (char **restrict __argz,
+ size_t *restrict __argz_len,
+ const char *restrict str);
+
+/* Append SEP separated list in STRING to the argz vector in ARGZ &
+ ARGZ_LEN. */
+
+extern error_t argz_add_sep (char **restrict __argz,
+ size_t *restrict __argz_len,
+ const char *restrict string, int __delim)
+;
+
+/* Delete ENTRY from ARGZ & ARGZ_LEN, if it appears there. */
+
+extern void argz_delete (char **restrict __argz,
+ size_t *restrict __argz_len,
+ char *restrict __entry);
+
+/* Insert ENTRY into ARGZ & ARGZ_LEN before BEFORE, which should be an
+ existing entry in ARGZ; if BEFORE is NULL, ENTRY is appended to the end.
+ Since ARGZ's first entry is the same as ARGZ, argz_insert (ARGZ, ARGZ_LEN,
+ ARGZ, ENTRY) will insert ENTRY at the beginning of ARGZ. If BEFORE is not
+ in ARGZ, EINVAL is returned, else if memory can't be allocated for the new
+ ARGZ, ENOMEM is returned, else 0. */
+
+extern error_t argz_insert (char **restrict __argz,
+ size_t *restrict __argz_len,
+ char *restrict __before,
+ const char *restrict __entry);
+
+/* Replace any occurrences of the string STR in ARGZ with WITH, reallocating
+ ARGZ as necessary. If REPLACE_COUNT is non-zero, *REPLACE_COUNT will be
+ incremented by number of replacements performed. */
+
+extern error_t argz_replace (char **restrict __argz,
+ size_t *restrict __argz_len,
+ const char *restrict str,
+ const char *restrict __with,
+ unsigned int *restrict __replace_count);
+\f
+/* Returns the next entry in ARGZ & ARGZ_LEN after ENTRY, or NULL if there
+ are no more. If entry is NULL, then the first entry is returned. This
+ behavior allows two convenient iteration styles:
+
+ char *entry = 0;
+ while ((entry = argz_next (argz, argz_len, entry)))
+ ...;
+
+ or
+
+ char *entry;
+ for (entry = argz; entry; entry = argz_next (argz, argz_len, entry))
+ ...;
+*/
+
+extern char *argz_next (const char *restrict __argz, size_t __argz_len,
+ const char *restrict __entry);
+
+#ifdef __USE_EXTERN_INLINES
+__extern_inline char *
+__NTH (argz_next (const char *__argz, size_t __argz_len,
+ const char *__entry))
+{
+ if (__entry)
+ {
+ if (__entry < __argz + __argz_len)
+ __entry = strchr (__entry, '\0') + 1;
+
+ return __entry >= __argz + __argz_len ? (char *) NULL : (char *) __entry;
+ }
+ else
+ return __argz_len > 0 ? (char *) __argz : 0;
}
-#endif
+__extern_inline char *
+__NTH (argz_next (const char *__argz, size_t __argz_len,
+ const char *__entry))
+{
+ return argz_next (__argz, __argz_len, __entry);
+}
+#endif /* Use extern inlines. */
-#if !defined(LTDL)
-# undef LT_SCOPE
-#endif
-#endif /*!defined(LT__ARGZ_H)*/
+#endif /* argz.h */
projects / gnulib.git / blobdiff