X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fenviron.c;h=5c737578054dd2dde75951efca460ce1baa3e246;hb=59b21252a88aa6ba488cfb19686d9cbad2577e76;hp=c4a5adc375489dcc8a6030c7fed8bd95050c32ec;hpb=72ec28b8afa357cdde70c612b4e0e9f37a34f8e4;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/environ.c b/gdb/environ.c
index c4a5adc375..5c73757805 100644
--- a/gdb/environ.c
+++ b/gdb/environ.c
@@ -1,9 +1,10 @@
/* environ.c -- library for manipulating environments for GNU.
- Copyright (C) 1986, 1989 Free Software Foundation, Inc.
+
+ Copyright (C) 1986-2016 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
@@ -12,27 +13,21 @@
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#define max(a, b) ((a) > (b) ? (a) : (b))
+ along with this program. If not, see . */
#include "defs.h"
#include "environ.h"
-#include "gdb_string.h"
-#include "gdbcore.h"
+#include
/* Return a new environment object. */
-struct environ *
-make_environ ()
+struct gdb_environ *
+make_environ (void)
{
- register struct environ *e;
+ struct gdb_environ *e;
- e = (struct environ *) xmalloc (sizeof (struct environ));
+ e = XNEW (struct gdb_environ);
e->allocated = 10;
e->vector = (char **) xmalloc ((e->allocated + 1) * sizeof (char *));
@@ -43,15 +38,15 @@ make_environ ()
/* Free an environment and all the strings in it. */
void
-free_environ (e)
- register struct environ *e;
+free_environ (struct gdb_environ *e)
{
- register char **vector = e->vector;
+ char **vector = e->vector;
while (*vector)
- free (*vector++);
+ xfree (*vector++);
- free (e);
+ xfree (e->vector);
+ xfree (e);
}
/* Copy the environment given to this process into E.
@@ -59,11 +54,10 @@ free_environ (e)
that all strings in these environments are safe to free. */
void
-init_environ (e)
- register struct environ *e;
+init_environ (struct gdb_environ *e)
{
extern char **environ;
- register int i;
+ int i;
if (environ == NULL)
return;
@@ -72,7 +66,7 @@ init_environ (e)
if (e->allocated < i)
{
- e->allocated = max (i, e->allocated + 10);
+ e->allocated = std::max (i, e->allocated + 10);
e->vector = (char **) xrealloc ((char *) e->vector,
(e->allocated + 1) * sizeof (char *));
}
@@ -81,10 +75,11 @@ init_environ (e)
while (--i >= 0)
{
- register int len = strlen (e->vector[i]);
- register char *new = (char *) xmalloc (len + 1);
- memcpy (new, e->vector[i], len + 1);
- e->vector[i] = new;
+ int len = strlen (e->vector[i]);
+ char *newobj = (char *) xmalloc (len + 1);
+
+ memcpy (newobj, e->vector[i], len + 1);
+ e->vector[i] = newobj;
}
}
@@ -92,8 +87,7 @@ init_environ (e)
This is used to get something to pass to execve. */
char **
-environ_vector (e)
- struct environ *e;
+environ_vector (struct gdb_environ *e)
{
return e->vector;
}
@@ -101,16 +95,14 @@ environ_vector (e)
/* Return the value in environment E of variable VAR. */
char *
-get_in_environ (e, var)
- const struct environ *e;
- const char *var;
+get_in_environ (const struct gdb_environ *e, const char *var)
{
- register int len = strlen (var);
- register char **vector = e->vector;
- register char *s;
+ int len = strlen (var);
+ char **vector = e->vector;
+ char *s;
for (; (s = *vector) != NULL; vector++)
- if (STREQN (s, var, len) && s[len] == '=')
+ if (strncmp (s, var, len) == 0 && s[len] == '=')
return &s[len + 1];
return 0;
@@ -119,18 +111,15 @@ get_in_environ (e, var)
/* Store the value in E of VAR as VALUE. */
void
-set_in_environ (e, var, value)
- struct environ *e;
- const char *var;
- const char *value;
+set_in_environ (struct gdb_environ *e, const char *var, const char *value)
{
- register int i;
- register int len = strlen (var);
- register char **vector = e->vector;
- register char *s;
+ int i;
+ int len = strlen (var);
+ char **vector = e->vector;
+ char *s;
for (i = 0; (s = vector[i]) != NULL; i++)
- if (STREQN (s, var, len) && s[len] == '=')
+ if (strncmp (s, var, len) == 0 && s[len] == '=')
break;
if (s == 0)
@@ -145,7 +134,7 @@ set_in_environ (e, var, value)
vector[i + 1] = 0;
}
else
- free (s);
+ xfree (s);
s = (char *) xmalloc (len + strlen (value) + 2);
strcpy (s, var);
@@ -169,22 +158,20 @@ set_in_environ (e, var, value)
/* Remove the setting for variable VAR from environment E. */
void
-unset_in_environ (e, var)
- struct environ *e;
- char *var;
+unset_in_environ (struct gdb_environ *e, const char *var)
{
- register int len = strlen (var);
- register char **vector = e->vector;
- register char *s;
+ int len = strlen (var);
+ char **vector = e->vector;
+ char *s;
for (; (s = *vector) != NULL; vector++)
{
- if (STREQN (s, var, len) && s[len] == '=')
+ if (strncmp (s, var, len) == 0 && s[len] == '=')
{
- free (s);
+ xfree (s);
/* Walk through the vector, shuffling args down by one, including
the NULL terminator. Can't use memcpy() here since the regions
- overlap, and memmove() might not be available. */
+ overlap, and memmove() might not be available. */
while ((vector[0] = vector[1]) != NULL)
{
vector++;