/* Routines for dealing with '\0' separated arg vectors.
- Copyright (C) 1995, 1996 Free Software Foundation, Inc.
- Written by Miles Bader <miles@gnu.ai.mit.edu>
+ Copyright (C) 1995-2019 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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ 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 __ARGZ_H__
+#ifndef _ARGZ_H
+#define _ARGZ_H 1
-#define __ARGZ_H__ 1
#include <features.h>
-
-#include <errno.h> /* Define error_t. */
+#include <errno.h>
#include <string.h> /* Need size_t, and strchr is called below. */
-
__BEGIN_DECLS
+/* error_t may or may not be available from errno.h, depending on the
+ operating system. */
+#ifndef __error_t_defined
+# define __error_t_defined 1
+typedef int error_t;
+#endif
+
/* 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 __P ((char *__const __argv[], char **__argz,
- size_t *__len));
-extern error_t argz_create __P ((char *__const __argv[], char **__argz,
- size_t *__len));
+extern error_t __argz_create (char *const __argv[], char **__restrict __argz,
+ size_t *__restrict __len) __THROW;
+extern error_t argz_create (char *const __argv[], char **__restrict __argz,
+ size_t *__restrict __len) __THROW;
/* 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 __P ((__const char *__string, int __sep,
- char **__argz, size_t *__len));
-extern error_t argz_create_sep __P ((__const char *__string, int __sep,
- char **__argz, size_t *__len));
+extern error_t argz_create_sep (const char *__restrict __string,
+ int __sep, char **__restrict __argz,
+ size_t *__restrict __len) __THROW;
/* Returns the number of strings in ARGZ. */
-extern size_t __argz_count __P ((__const char *__argz, size_t __len));
-extern size_t argz_count __P ((__const char *__argz, size_t __len));
+extern size_t __argz_count (const char *__argz, size_t __len)
+ __THROW __attribute_pure__;
+extern size_t argz_count (const char *__argz, size_t __len)
+ __THROW __attribute_pure__;
/* Puts pointers to each string in ARGZ into ARGV, which must be large enough
to hold them all. */
-extern void __argz_extract __P ((char *__argz, size_t __len, char **__argv));
-extern void argz_extract __P ((char *__argz, size_t __len, char **__argv));
+extern void __argz_extract (const char *__restrict __argz, size_t __len,
+ char **__restrict __argv) __THROW;
+extern void argz_extract (const char *__restrict __argz, size_t __len,
+ char **__restrict __argv) __THROW;
/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
except the last into the character SEP. */
-extern void __argz_stringify __P ((char *__argz, size_t __len, int __sep));
-extern void argz_stringify __P ((char *__argz, size_t __len, int __sep));
+extern void __argz_stringify (char *__argz, size_t __len, int __sep) __THROW;
+extern void argz_stringify (char *__argz, size_t __len, int __sep) __THROW;
/* Append BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */
-extern error_t __argz_append __P ((char **__argz, size_t *__argz_len,
- __const char *__buf, size_t _buf_len));
-extern error_t argz_append __P ((char **__argz, size_t *__argz_len,
- __const char *__buf, size_t __buf_len));
+extern error_t argz_append (char **__restrict __argz,
+ size_t *__restrict __argz_len,
+ const char *__restrict __buf, size_t __buf_len)
+ __THROW;
/* Append STR to the argz vector in ARGZ & ARGZ_LEN. */
-extern error_t __argz_add __P ((char **__argz, size_t *__argz_len,
- __const char *__str));
-extern error_t argz_add __P ((char **__argz, size_t *__argz_len,
- __const char *__str));
+extern error_t argz_add (char **__restrict __argz,
+ size_t *__restrict __argz_len,
+ const char *__restrict __str) __THROW;
/* Append SEP separated list in STRING to the argz vector in ARGZ &
ARGZ_LEN. */
-extern error_t __argz_add_sep __P ((char **__argz, size_t *__argz_len,
- __const char *__string, int __delim));
-extern error_t argz_add_sep __P ((char **__argz, size_t *__argz_len,
- __const char *__string, int __delim));
+extern error_t argz_add_sep (char **__restrict __argz,
+ size_t *__restrict __argz_len,
+ const char *__restrict __string, int __delim)
+ __THROW;
/* Delete ENTRY from ARGZ & ARGZ_LEN, if it appears there. */
-extern void __argz_delete __P ((char **__argz, size_t *__argz_len,
- char *__entry));
-extern void argz_delete __P ((char **__argz, size_t *__argz_len,
- char *__entry));
+extern void argz_delete (char **__restrict __argz,
+ size_t *__restrict __argz_len,
+ char *__restrict __entry) __THROW;
/* 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.
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 __P ((char **__argz, size_t *__argz_len,
- char *__before, __const char *__entry));
-extern error_t argz_insert __P ((char **__argz, size_t *__argz_len,
- char *__before, __const char *__entry));
+extern error_t argz_insert (char **__restrict __argz,
+ size_t *__restrict __argz_len,
+ char *__restrict __before,
+ const char *__restrict __entry) __THROW;
+
+/* 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
for (entry = argz; entry; entry = argz_next (argz, argz_len, entry))
...;
*/
-extern char *__argz_next __P ((char *argz, size_t __argz_len,
- __const char *entry));
-extern char *argz_next __P ((char *argz, size_t __argz_len,
- __const char *entry));
-
-#if defined (__OPTIMIZE__) && __GNUC__ >= 2
-extern inline char *
-__argz_next (char *__argz, size_t __argz_len, __const char *__entry)
+extern char *__argz_next (const char *__restrict __argz, size_t __argz_len,
+ const char *__restrict __entry) __THROW;
+extern char *argz_next (const char *__restrict __argz, size_t __argz_len,
+ const char *__restrict __entry) __THROW;
+
+#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 ? NULL : (char *) __entry;
+ return __entry >= __argz + __argz_len ? (char *) NULL : (char *) __entry;
}
else
- return __argz_len > 0 ? __argz : 0;
+ return __argz_len > 0 ? (char *) __argz : 0;
}
-extern inline char *
-argz_next (char *__argz, size_t __argz_len, __const char *__entry)
+__extern_inline char *
+__NTH (argz_next (const char *__argz, size_t __argz_len,
+ const char *__entry))
{
return __argz_next (__argz, __argz_len, __entry);
}
-#endif /* optimizing GCC2 */
+#endif /* Use extern inlines. */
+
+__END_DECLS
#endif /* argz.h */
projects / thirdparty / glibc.git / blobdiff