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* dbxread.c, i386-pinsn.c, i386-tdep.c, regex.c, solib.c, symmisc.c,

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symtab.h, tm-i386v4.h, valprint.c, values.c:  Lint.
	* breakpoint.c, c-exp.y, coffread.c, command.c, environ.c, eval.c,
	findvar.c, infcmd.c, infptrace.c, infrun.c, m2-exp.y, parse.c,
	putenv.c, solib.c, sparc-xdep.c, symtab.c, tm-i386v.h, tm-sparc.h,
	utils.c, valarith.c, valops.c, valprint.c, values.c:
	Replace bcopy() use with memcpy(), which is more standard and can
	take advantage of gcc's builtin functions for increased performance.
	* breakpoint.c, buildsym.c, coffread.c, dbxread.c, i386-tdep.c,
	ieee-float.c, infcmd.c, sparc-tdep.c, stack.c, symtab.c, symtab.h,
	target.c, values.c:
	Replace bzero() use with memset(), which is more standard and can
	take advantage of gcc's builtin functions for increased performance.
	* i386-tdep.c, main.c, valprint.c:
	Replace bcmp() use with memcmp(), which is more standard and can
	take advantage of gcc's builtin functions for increased performance.
This commit is contained in:
Fred Fish
1992-06-29 23:34:38 +00:00
parent 22fd4704bc
commit 51b57ded88
44 changed files with 837 additions and 373 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
gdb/environ.c
View File

@@ -1,29 +1,28 @@
/* environ.c -- library for manipulating environments for GNU.
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 1, or (at your option)
any later version.
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.
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. */
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(). */
extern char *xmalloc ();
extern char *xrealloc ();
extern void free ();
/* Return a new environment object. */
@@ -74,13 +73,13 @@ init_environ (e)
(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 + 1);
(void) memcpy (new, e->vector[i], len + 1);
e->vector[i] = new;
}
}
@@ -99,14 +98,14 @@ environ_vector (e)
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];
@@ -119,15 +118,15 @@ get_in_environ (e, var)
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;
@@ -175,13 +174,13 @@ unset_in_environ (e, 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] == '=')
{
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;
}