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Diffstat (limited to 'contrib/binutils/libiberty/concat.c')
-rw-r--r-- | contrib/binutils/libiberty/concat.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/contrib/binutils/libiberty/concat.c b/contrib/binutils/libiberty/concat.c deleted file mode 100644 index 98b20e16a11a..000000000000 --- a/contrib/binutils/libiberty/concat.c +++ /dev/null @@ -1,236 +0,0 @@ -/* Concatenate variable number of strings. - Copyright (C) 1991, 1994, 2001 Free Software Foundation, Inc. - Written by Fred Fish @ Cygnus Support - -This file is part of the libiberty library. -Libiberty 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. - -Libiberty 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. - -You should have received a copy of the GNU Library General Public -License along with libiberty; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - - -/* - -@deftypefn Extension char* concat (const char *@var{s1}, const char *@var{s2}, @dots{}, @code{NULL}) - -Concatenate zero or more of strings and return the result in freshly -@code{xmalloc}ed memory. Returns @code{NULL} if insufficient memory is -available. The argument list is terminated by the first @code{NULL} -pointer encountered. Pointers to empty strings are ignored. - -@end deftypefn - -NOTES - - This function uses xmalloc() which is expected to be a front end - function to malloc() that deals with low memory situations. In - typical use, if malloc() returns NULL then xmalloc() diverts to an - error handler routine which never returns, and thus xmalloc will - never return a NULL pointer. If the client application wishes to - deal with low memory situations itself, it should supply an xmalloc - that just directly invokes malloc and blindly returns whatever - malloc returns. - -*/ - - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include "ansidecl.h" -#include "libiberty.h" -#include <sys/types.h> /* size_t */ - -#ifdef ANSI_PROTOTYPES -#include <stdarg.h> -#else -#include <varargs.h> -#endif - -# if HAVE_STRING_H -# include <string.h> -# else -# if HAVE_STRINGS_H -# include <strings.h> -# endif -# endif - -#if HAVE_STDLIB_H -#include <stdlib.h> -#endif - -static inline unsigned long vconcat_length PARAMS ((const char *, va_list)); -static inline unsigned long -vconcat_length (first, args) - const char *first; - va_list args; -{ - unsigned long length = 0; - const char *arg; - - for (arg = first; arg ; arg = va_arg (args, const char *)) - length += strlen (arg); - - return length; -} - -static inline char *vconcat_copy PARAMS ((char *, const char *, va_list)); -static inline char * -vconcat_copy (dst, first, args) - char *dst; - const char *first; - va_list args; -{ - char *end = dst; - const char *arg; - - for (arg = first; arg ; arg = va_arg (args, const char *)) - { - unsigned long length = strlen (arg); - memcpy (end, arg, length); - end += length; - } - *end = '\000'; - - return dst; -} - -/* @undocumented concat_length */ - -unsigned long -concat_length VPARAMS ((const char *first, ...)) -{ - unsigned long length; - - VA_OPEN (args, first); - VA_FIXEDARG (args, const char *, first); - length = vconcat_length (first, args); - VA_CLOSE (args); - - return length; -} - -/* @undocumented concat_copy */ - -char * -concat_copy VPARAMS ((char *dst, const char *first, ...)) -{ - char *save_dst; - - VA_OPEN (args, first); - VA_FIXEDARG (args, char *, dst); - VA_FIXEDARG (args, const char *, first); - vconcat_copy (dst, first, args); - save_dst = dst; /* With K&R C, dst goes out of scope here. */ - VA_CLOSE (args); - - return save_dst; -} - -char *libiberty_concat_ptr; - -/* @undocumented concat_copy2 */ - -char * -concat_copy2 VPARAMS ((const char *first, ...)) -{ - VA_OPEN (args, first); - VA_FIXEDARG (args, const char *, first); - vconcat_copy (libiberty_concat_ptr, first, args); - VA_CLOSE (args); - - return libiberty_concat_ptr; -} - -char * -concat VPARAMS ((const char *first, ...)) -{ - char *newstr; - - /* First compute the size of the result and get sufficient memory. */ - VA_OPEN (args, first); - VA_FIXEDARG (args, const char *, first); - newstr = (char *) xmalloc (vconcat_length (first, args) + 1); - VA_CLOSE (args); - - /* Now copy the individual pieces to the result string. */ - VA_OPEN (args, first); - VA_FIXEDARG (args, const char *, first); - vconcat_copy (newstr, first, args); - VA_CLOSE (args); - - return newstr; -} - -/* - -@deftypefn Extension char* reconcat (char *@var{optr}, const char *@var{s1}, @dots{}, @code{NULL}) - -Same as @code{concat}, except that if @var{optr} is not @code{NULL} it -is freed after the string is created. This is intended to be useful -when you're extending an existing string or building up a string in a -loop: - -@example - str = reconcat (str, "pre-", str, NULL); -@end example - -@end deftypefn - -*/ - -char * -reconcat VPARAMS ((char *optr, const char *first, ...)) -{ - char *newstr; - - /* First compute the size of the result and get sufficient memory. */ - VA_OPEN (args, first); - VA_FIXEDARG (args, char *, optr); - VA_FIXEDARG (args, const char *, first); - newstr = (char *) xmalloc (vconcat_length (first, args) + 1); - VA_CLOSE (args); - - /* Now copy the individual pieces to the result string. */ - VA_OPEN (args, first); - VA_FIXEDARG (args, char *, optr); - VA_FIXEDARG (args, const char *, first); - vconcat_copy (newstr, first, args); - if (optr) /* Done before VA_CLOSE so optr stays in scope for K&R C. */ - free (optr); - VA_CLOSE (args); - - return newstr; -} - -#ifdef MAIN -#define NULLP (char *)0 - -/* Simple little test driver. */ - -#include <stdio.h> - -int -main () -{ - printf ("\"\" = \"%s\"\n", concat (NULLP)); - printf ("\"a\" = \"%s\"\n", concat ("a", NULLP)); - printf ("\"ab\" = \"%s\"\n", concat ("a", "b", NULLP)); - printf ("\"abc\" = \"%s\"\n", concat ("a", "b", "c", NULLP)); - printf ("\"abcd\" = \"%s\"\n", concat ("ab", "cd", NULLP)); - printf ("\"abcde\" = \"%s\"\n", concat ("ab", "c", "de", NULLP)); - printf ("\"abcdef\" = \"%s\"\n", concat ("", "a", "", "bcd", "ef", NULLP)); - return 0; -} - -#endif |