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vlmcsd-svn1085-2016-10-21-Hotbird64
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520 changed files with 1608 additions and 1047 deletions
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/* Routines for dealing with '\0' separated arg vectors.
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Copyright (C) 1995-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _ARGZ_H
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#define _ARGZ_H 1
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#include <features.h>
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#define __need_error_t
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#include <errno.h>
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#include <string.h> /* Need size_t, and strchr is called below. */
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#ifndef __error_t_defined
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typedef int error_t;
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#endif
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__BEGIN_DECLS
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/* Make a '\0' separated arg vector from a unix argv vector, returning it in
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ARGZ, and the total length in LEN. If a memory allocation error occurs,
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ENOMEM is returned, otherwise 0. The result can be destroyed using free. */
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extern error_t __argz_create (char *const __argv[], char **__restrict __argz,
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size_t *__restrict __len) __THROW;
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extern error_t argz_create (char *const __argv[], char **__restrict __argz,
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size_t *__restrict __len) __THROW;
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/* Make a '\0' separated arg vector from a SEP separated list in
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STRING, returning it in ARGZ, and the total length in LEN. If a
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memory allocation error occurs, ENOMEM is returned, otherwise 0.
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The result can be destroyed using free. */
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extern error_t __argz_create_sep (const char *__restrict __string,
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int __sep, char **__restrict __argz,
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size_t *__restrict __len) __THROW;
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extern error_t argz_create_sep (const char *__restrict __string,
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int __sep, char **__restrict __argz,
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size_t *__restrict __len) __THROW;
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/* Returns the number of strings in ARGZ. */
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extern size_t __argz_count (const char *__argz, size_t __len)
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__THROW __attribute_pure__;
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extern size_t argz_count (const char *__argz, size_t __len)
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__THROW __attribute_pure__;
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/* Puts pointers to each string in ARGZ into ARGV, which must be large enough
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to hold them all. */
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extern void __argz_extract (const char *__restrict __argz, size_t __len,
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char **__restrict __argv) __THROW;
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extern void argz_extract (const char *__restrict __argz, size_t __len,
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char **__restrict __argv) __THROW;
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/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
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except the last into the character SEP. */
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extern void __argz_stringify (char *__argz, size_t __len, int __sep) __THROW;
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extern void argz_stringify (char *__argz, size_t __len, int __sep) __THROW;
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/* Append BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */
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extern error_t __argz_append (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __buf, size_t __buf_len)
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__THROW;
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extern error_t argz_append (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __buf, size_t __buf_len)
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__THROW;
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/* Append STR to the argz vector in ARGZ & ARGZ_LEN. */
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extern error_t __argz_add (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __str) __THROW;
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extern error_t argz_add (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __str) __THROW;
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/* Append SEP separated list in STRING to the argz vector in ARGZ &
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ARGZ_LEN. */
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extern error_t __argz_add_sep (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __string, int __delim)
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__THROW;
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extern error_t argz_add_sep (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __string, int __delim)
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__THROW;
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/* Delete ENTRY from ARGZ & ARGZ_LEN, if it appears there. */
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extern void __argz_delete (char **__restrict __argz,
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size_t *__restrict __argz_len,
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char *__restrict __entry) __THROW;
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extern void argz_delete (char **__restrict __argz,
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size_t *__restrict __argz_len,
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char *__restrict __entry) __THROW;
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/* Insert ENTRY into ARGZ & ARGZ_LEN before BEFORE, which should be an
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existing entry in ARGZ; if BEFORE is NULL, ENTRY is appended to the end.
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Since ARGZ's first entry is the same as ARGZ, argz_insert (ARGZ, ARGZ_LEN,
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ARGZ, ENTRY) will insert ENTRY at the beginning of ARGZ. If BEFORE is not
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in ARGZ, EINVAL is returned, else if memory can't be allocated for the new
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ARGZ, ENOMEM is returned, else 0. */
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extern error_t __argz_insert (char **__restrict __argz,
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size_t *__restrict __argz_len,
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char *__restrict __before,
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const char *__restrict __entry) __THROW;
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extern error_t argz_insert (char **__restrict __argz,
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size_t *__restrict __argz_len,
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char *__restrict __before,
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const char *__restrict __entry) __THROW;
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/* Replace any occurrences of the string STR in ARGZ with WITH, reallocating
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ARGZ as necessary. If REPLACE_COUNT is non-zero, *REPLACE_COUNT will be
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incremented by number of replacements performed. */
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extern error_t __argz_replace (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __str,
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const char *__restrict __with,
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unsigned int *__restrict __replace_count);
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extern error_t argz_replace (char **__restrict __argz,
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size_t *__restrict __argz_len,
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const char *__restrict __str,
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const char *__restrict __with,
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unsigned int *__restrict __replace_count);
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/* Returns the next entry in ARGZ & ARGZ_LEN after ENTRY, or NULL if there
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are no more. If entry is NULL, then the first entry is returned. This
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behavior allows two convenient iteration styles:
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char *entry = 0;
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while ((entry = argz_next (argz, argz_len, entry)))
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...;
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or
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char *entry;
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for (entry = argz; entry; entry = argz_next (argz, argz_len, entry))
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...;
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*/
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extern char *__argz_next (const char *__restrict __argz, size_t __argz_len,
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const char *__restrict __entry) __THROW;
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extern char *argz_next (const char *__restrict __argz, size_t __argz_len,
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const char *__restrict __entry) __THROW;
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#ifdef __USE_EXTERN_INLINES
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__extern_inline char *
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__NTH (__argz_next (const char *__argz, size_t __argz_len,
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const char *__entry))
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{
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if (__entry)
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{
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if (__entry < __argz + __argz_len)
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__entry = strchr (__entry, '\0') + 1;
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return __entry >= __argz + __argz_len ? (char *) NULL : (char *) __entry;
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}
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else
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return __argz_len > 0 ? (char *) __argz : 0;
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}
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__extern_inline char *
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__NTH (argz_next (const char *__argz, size_t __argz_len,
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const char *__entry))
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{
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return __argz_next (__argz, __argz_len, __entry);
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}
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#endif /* Use extern inlines. */
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__END_DECLS
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#endif /* argz.h */
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