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-rw-r--r--libiberty/argv.c382
1 files changed, 0 insertions, 382 deletions
diff --git a/libiberty/argv.c b/libiberty/argv.c
deleted file mode 100644
index 35882854588..00000000000
--- a/libiberty/argv.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/* Create and destroy argument vectors (argv's)
- Copyright (C) 1992 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. */
-
-
-/* Create and destroy argument vectors. An argument vector is simply an
- array of string pointers, terminated by a NULL pointer. */
-
-#include "ansidecl.h"
-#include "libiberty.h"
-
-#define ISBLANK(ch) ((ch) == ' ' || (ch) == '\t')
-
-/* Routines imported from standard C runtime libraries. */
-
-#ifdef __STDC__
-
-#include <stddef.h>
-#include <string.h>
-#include <stdlib.h>
-
-#else /* !__STDC__ */
-
-#if !defined _WIN32 || defined __GNUC__
-extern char *memcpy (); /* Copy memory region */
-extern int strlen (); /* Count length of string */
-extern char *malloc (); /* Standard memory allocater */
-extern char *realloc (); /* Standard memory reallocator */
-extern void free (); /* Free malloc'd memory */
-extern char *strdup (); /* Duplicate a string */
-#endif
-
-#endif /* __STDC__ */
-
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-#ifndef EOS
-#define EOS '\0'
-#endif
-
-#define INITIAL_MAXARGC 8 /* Number of args + NULL in initial argv */
-
-
-/*
-
-NAME
-
- dupargv -- duplicate an argument vector
-
-SYNOPSIS
-
- char **dupargv (vector)
- char **vector;
-
-DESCRIPTION
-
- Duplicate an argument vector. Simply scans through the
- vector, duplicating each argument until the
- terminating NULL is found.
-
-RETURNS
-
- Returns a pointer to the argument vector if
- successful. Returns NULL if there is insufficient memory to
- complete building the argument vector.
-
-*/
-
-char **
-dupargv (argv)
- char **argv;
-{
- int argc;
- char **copy;
-
- if (argv == NULL)
- return NULL;
-
- /* the vector */
- for (argc = 0; argv[argc] != NULL; argc++);
- copy = (char **) malloc ((argc + 1) * sizeof (char *));
- if (copy == NULL)
- return NULL;
-
- /* the strings */
- for (argc = 0; argv[argc] != NULL; argc++)
- {
- int len = strlen (argv[argc]);
- copy[argc] = malloc (sizeof (char *) * (len + 1));
- if (copy[argc] == NULL)
- {
- freeargv (copy);
- return NULL;
- }
- strcpy (copy[argc], argv[argc]);
- }
- copy[argc] = NULL;
- return copy;
-}
-
-/*
-
-NAME
-
- freeargv -- free an argument vector
-
-SYNOPSIS
-
- void freeargv (vector)
- char **vector;
-
-DESCRIPTION
-
- Free an argument vector that was built using buildargv. Simply scans
- through the vector, freeing the memory for each argument until the
- terminating NULL is found, and then frees the vector itself.
-
-RETURNS
-
- No value.
-
-*/
-
-void freeargv (vector)
-char **vector;
-{
- register char **scan;
-
- if (vector != NULL)
- {
- for (scan = vector; *scan != NULL; scan++)
- {
- free (*scan);
- }
- free (vector);
- }
-}
-
-/*
-
-NAME
-
- buildargv -- build an argument vector from a string
-
-SYNOPSIS
-
- char **buildargv (sp)
- char *sp;
-
-DESCRIPTION
-
- Given a pointer to a string, parse the string extracting fields
- separated by whitespace and optionally enclosed within either single
- or double quotes (which are stripped off), and build a vector of
- pointers to copies of the string for each field. The input string
- remains unchanged.
-
- All of the memory for the pointer array and copies of the string
- is obtained from malloc. All of the memory can be returned to the
- system with the single function call freeargv, which takes the
- returned result of buildargv, as it's argument.
-
- The memory for the argv array is dynamically expanded as necessary.
-
-RETURNS
-
- Returns a pointer to the argument vector if successful. Returns NULL
- if the input string pointer is NULL or if there is insufficient
- memory to complete building the argument vector.
-
-NOTES
-
- In order to provide a working buffer for extracting arguments into,
- with appropriate stripping of quotes and translation of backslash
- sequences, we allocate a working buffer at least as long as the input
- string. This ensures that we always have enough space in which to
- work, since the extracted arg is never larger than the input string.
-
- If the input is a null string (as opposed to a NULL pointer), then
- buildarg returns an argv that has one arg, a null string.
-
- Argv is always kept terminated with a NULL arg pointer, so it can
- be passed to freeargv at any time, or returned, as appropriate.
-*/
-
-char **buildargv (input)
-char *input;
-{
- char *arg;
- char *copybuf;
- int squote = 0;
- int dquote = 0;
- int bsquote = 0;
- int argc = 0;
- int maxargc = 0;
- char **argv = NULL;
- char **nargv;
-
- if (input != NULL)
- {
- copybuf = (char *) alloca (strlen (input) + 1);
- /* Is a do{}while to always execute the loop once. Always return an
- argv, even for null strings. See NOTES above, test case below. */
- do
- {
- /* Pick off argv[argc] */
- while (ISBLANK (*input))
- {
- input++;
- }
- if ((maxargc == 0) || (argc >= (maxargc - 1)))
- {
- /* argv needs initialization, or expansion */
- if (argv == NULL)
- {
- maxargc = INITIAL_MAXARGC;
- nargv = (char **) malloc (maxargc * sizeof (char *));
- }
- else
- {
- maxargc *= 2;
- nargv = (char **) realloc (argv, maxargc * sizeof (char *));
- }
- if (nargv == NULL)
- {
- if (argv != NULL)
- {
- freeargv (argv);
- argv = NULL;
- }
- break;
- }
- argv = nargv;
- argv[argc] = NULL;
- }
- /* Begin scanning arg */
- arg = copybuf;
- while (*input != EOS)
- {
- if (ISBLANK (*input) && !squote && !dquote && !bsquote)
- {
- break;
- }
- else
- {
- if (bsquote)
- {
- bsquote = 0;
- *arg++ = *input;
- }
- else if (*input == '\\')
- {
- bsquote = 1;
- }
- else if (squote)
- {
- if (*input == '\'')
- {
- squote = 0;
- }
- else
- {
- *arg++ = *input;
- }
- }
- else if (dquote)
- {
- if (*input == '"')
- {
- dquote = 0;
- }
- else
- {
- *arg++ = *input;
- }
- }
- else
- {
- if (*input == '\'')
- {
- squote = 1;
- }
- else if (*input == '"')
- {
- dquote = 1;
- }
- else
- {
- *arg++ = *input;
- }
- }
- input++;
- }
- }
- *arg = EOS;
- argv[argc] = strdup (copybuf);
- if (argv[argc] == NULL)
- {
- freeargv (argv);
- argv = NULL;
- break;
- }
- argc++;
- argv[argc] = NULL;
-
- while (ISBLANK (*input))
- {
- input++;
- }
- }
- while (*input != EOS);
- }
- return (argv);
-}
-
-#ifdef MAIN
-
-/* Simple little test driver. */
-
-static char *tests[] =
-{
- "a simple command line",
- "arg 'foo' is single quoted",
- "arg \"bar\" is double quoted",
- "arg \"foo bar\" has embedded whitespace",
- "arg 'Jack said \\'hi\\'' has single quotes",
- "arg 'Jack said \\\"hi\\\"' has double quotes",
- "a b c d e f g h i j k l m n o p q r s t u v w x y z 1 2 3 4 5 6 7 8 9",
-
- /* This should be expanded into only one argument. */
- "trailing-whitespace ",
-
- "",
- NULL
-};
-
-main ()
-{
- char **argv;
- char **test;
- char **targs;
-
- for (test = tests; *test != NULL; test++)
- {
- printf ("buildargv(\"%s\")\n", *test);
- if ((argv = buildargv (*test)) == NULL)
- {
- printf ("failed!\n\n");
- }
- else
- {
- for (targs = argv; *targs != NULL; targs++)
- {
- printf ("\t\"%s\"\n", *targs);
- }
- printf ("\n");
- }
- freeargv (argv);
- }
-
-}
-
-#endif /* MAIN */
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