/* environ.c -- library for manipulating environments for GNU.
- Copyright (C) 1986 Free Software Foundation, Inc.
-
- NO WARRANTY
-
- BECAUSE THIS PROGRAM IS LICENSED FREE OF CHARGE, WE PROVIDE ABSOLUTELY
-NO WARRANTY, TO THE EXTENT PERMITTED BY APPLICABLE STATE LAW. EXCEPT
-WHEN OTHERWISE STATED IN WRITING, FREE SOFTWARE FOUNDATION, INC,
-RICHARD M. STALLMAN AND/OR OTHER PARTIES PROVIDE THIS PROGRAM "AS IS"
-WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY
-AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
-DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
-CORRECTION.
-
- IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW WILL RICHARD M.
-STALLMAN, THE FREE SOFTWARE FOUNDATION, INC., AND/OR ANY OTHER PARTY
-WHO MAY MODIFY AND REDISTRIBUTE THIS PROGRAM AS PERMITTED BELOW, BE
-LIABLE TO YOU FOR DAMAGES, INCLUDING ANY LOST PROFITS, LOST MONIES, OR
-OTHER SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR
-DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY THIRD PARTIES OR
-A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS) THIS
-PROGRAM, EVEN IF YOU HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
-DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY.
-
- GENERAL PUBLIC LICENSE TO COPY
-
- 1. You may copy and distribute verbatim copies of this source file
-as you receive it, in any medium, provided that you conspicuously and
-appropriately publish on each copy a valid copyright notice "Copyright
-(C) 1986 Free Software Foundation, Inc."; and include following the
-copyright notice a verbatim copy of the above disclaimer of warranty
-and of this License. You may charge a distribution fee for the
-physical act of transferring a copy.
-
- 2. You may modify your copy or copies of this source file or
-any portion of it, and copy and distribute such modifications under
-the terms of Paragraph 1 above, provided that you also do the following:
-
- a) cause the modified files to carry prominent notices stating
- that you changed the files and the date of any change; and
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- b) cause the whole of any work that you distribute or publish,
- that in whole or in part contains or is a derivative of this
- program or any part thereof, to be licensed at no charge to all
- third parties on terms identical to those contained in this
- License Agreement (except that you may choose to grant more
- extensive warranty protection to third parties, at your option).
-
- c) You may charge a distribution fee for the physical act of
- transferring a copy, and you may at your option offer warranty
- protection in exchange for a fee.
-
- 3. You may copy and distribute this program or any portion of it in
-compiled, executable or object code form under the terms of Paragraphs
-1 and 2 above provided that you do the following:
-
- a) cause each such copy to be accompanied by the
- corresponding machine-readable source code, which must
- be distributed under the terms of Paragraphs 1 and 2 above; or,
-
- b) cause each such copy to be accompanied by a
- written offer, with no time limit, to give any third party
- free (except for a nominal shipping charge) a machine readable
- copy of the corresponding source code, to be distributed
- under the terms of Paragraphs 1 and 2 above; or,
-
- c) in the case of a recipient of this program in compiled, executable
- or object code form (without the corresponding source code) you
- shall cause copies you distribute to be accompanied by a copy
- of the written offer of source code which you received along
- with the copy you received.
-
- 4. You may not copy, sublicense, distribute or transfer this program
-except as expressly provided under this License Agreement. Any attempt
-otherwise to copy, sublicense, distribute or transfer this program is void and
-your rights to use the program under this License agreement shall be
-automatically terminated. However, parties who have received computer
-software programs from you with this License Agreement will not have
-their licenses terminated so long as such parties remain in full compliance.
-
- 5. If you wish to incorporate parts of this program into other free
-programs whose distribution conditions are different, write to the Free
-Software Foundation at 675 Mass Ave, Cambridge, MA 02139. We have not yet
-worked out a simple rule that can be stated here, but we will often permit
-this. We will be guided by the two goals of preserving the free status of
-all derivatives of our free software and of promoting the sharing and reuse of
-software.
-
-In other words, feel free to share this program, but don't try to
-stop anyone else from sharing it. */
+ Copyright (C) 1986, 1989 Free Software Foundation, Inc.
+
+This program 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 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
+#include "defs.h"
#include "environ.h"
+#include <string.h>
+#include "defs.h" /* For strsave(). */
+
\f
/* Return a new environment object. */
extern char **environ;
register int i;
- for (i = 0; environ[i]; i++);
+ for (i = 0; environ[i]; i++) /*EMPTY*/;
if (e->allocated < i)
{
e->allocated = max (i, e->allocated + 10);
- e->vector = (char **) xrealloc (e->vector,
+ e->vector = (char **) xrealloc ((char *)e->vector,
(e->allocated + 1) * sizeof (char *));
}
- bcopy (environ, e->vector, (i + 1) * sizeof (char *));
+ (void) memcpy (e->vector, environ, (i + 1) * sizeof (char *));
while (--i >= 0)
{
register int len = strlen (e->vector[i]);
register char *new = (char *) xmalloc (len + 1);
- bcopy (e->vector[i], new, len);
+ (void) memcpy (new, e->vector[i], len + 1);
e->vector[i] = new;
}
}
char *
get_in_environ (e, var)
- struct environ *e;
- char *var;
+ const struct environ *e;
+ const char *var;
{
register int len = strlen (var);
register char **vector = e->vector;
register char *s;
- for (; s = *vector; vector++)
+ for (; (s = *vector) != NULL; vector++)
if (!strncmp (s, var, len)
&& s[len] == '=')
return &s[len + 1];
void
set_in_environ (e, var, value)
struct environ *e;
- char *var;
- char *value;
+ const char *var;
+ const char *value;
{
register int i;
register int len = strlen (var);
register char **vector = e->vector;
register char *s;
- for (i = 0; s = vector[i]; i++)
+ for (i = 0; (s = vector[i]) != NULL; i++)
if (!strncmp (s, var, len)
&& s[len] == '=')
break;
if (i == e->allocated)
{
e->allocated += 10;
- vector = (char **) xrealloc (vector,
+ vector = (char **) xrealloc ((char *)vector,
(e->allocated + 1) * sizeof (char *));
e->vector = vector;
}
strcat (s, "=");
strcat (s, value);
vector[i] = s;
+
+ /* Certain variables get exported back to the parent (e.g. our)
+ environment, too. */
+ if (!strcmp(var, "PATH") /* Object file location */
+ || !strcmp (var, "G960BASE") /* Intel 960 downloads */
+ || !strcmp (var, "G960BIN") /* Intel 960 downloads */
+ || !strcmp (var, "GNUTARGET") /* BFD object file type */
+ ) {
+ putenv (strsave (s));
+ }
return;
}
register char **vector = e->vector;
register char *s;
- for (; s = *vector; vector++)
+ for (; (s = *vector) != NULL; vector++)
if (!strncmp (s, var, len)
&& s[len] == '=')
{
free (s);
- bcopy (vector + 1, vector,
- (e->allocated - (vector - e->vector)) * sizeof (char *));
+ (void) memcpy (vector, vector + 1,
+ (e->allocated - (vector - e->vector)) * sizeof (char *));
e->vector[e->allocated - 1] = 0;
return;
}
projects / deliverable / binutils-gdb.git / blobdiff