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Diffstat (limited to 'gnulib/lib/argz.in.h')
| -rw-r--r-- | gnulib/lib/argz.in.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/gnulib/lib/argz.in.h b/gnulib/lib/argz.in.h new file mode 100644 index 0000000..fffc9f3 --- /dev/null +++ b/gnulib/lib/argz.in.h @@ -0,0 +1,161 @@ +/* Routines for dealing with '\0' separated arg vectors. + Copyright (C) 1995,96,97,98,99,2000,2004,2007 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 General Public + License as published by the Free Software Foundation; either + version 3 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 General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _ARGZ_H +#define _ARGZ_H 1 + + +#define __need_error_t +#include <errno.h> +#include <string.h> /* Need size_t, and strchr is called below. */ + +#ifndef const +# define const const +#endif + +#ifndef __error_t_defined +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 (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); + +/* 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; +} +__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. */ + + +#endif /* argz.h */ |