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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* macro.cc
*
* Handle expansion of make macros
*/
/*
* Included files
*/
#include <mk/defs.h>
#include <mksh/macro.h> /* getvar(), expand_value() */
#include <mksh/misc.h> /* getmem() */
/*
* Defined macros
*/
/*
* typedefs & structs
*/
/*
* Static variables
*/
/*
* File table of contents
*/
void
setvar_append(register Name name, register Name value)
{
register Property macro_apx = get_prop(name->prop, macro_append_prop);
register Property macro = get_prop(name->prop, macro_prop);
int length;
String_rec destination;
wchar_t buffer[STRING_BUFFER_LENGTH];
register Chain chain;
Name val = NULL;
if(macro_apx == NULL) {
macro_apx = append_prop(name, macro_append_prop);
if(macro != NULL) {
macro_apx->body.macro_appendix.value = macro->body.macro.value;
}
}
val = macro_apx->body.macro_appendix.value_to_append;
INIT_STRING_FROM_STACK(destination, buffer);
buffer[0] = 0;
if (val != NULL) {
APPEND_NAME(val,
&destination,
(int) val->hash.length);
if (value != NULL) {
MBTOWC(wcs_buffer, " ");
append_char(wcs_buffer[0], &destination);
}
}
if (value != NULL) {
APPEND_NAME(value,
&destination,
(int) value->hash.length);
}
value = GETNAME(destination.buffer.start, FIND_LENGTH);
if (destination.free_after_use) {
retmem(destination.buffer.start);
}
macro_apx->body.macro_appendix.value_to_append = value;
SETVAR(name, empty_name, true);
}
/*
* setvar_envvar()
*
* This function scans the list of environment variables that have
* dynamic values and sets them.
*
* Parameters:
*
* Global variables used:
* envvar A list of environment vars with $ in value
*/
void
setvar_envvar(void)
{
wchar_t buffer[STRING_BUFFER_LENGTH];
int length;
register char *mbs, *tmp_mbs_buffer = NULL;
register char *env, *tmp_mbs_buffer2 = NULL;
Envvar p;
String_rec value;
for (p = envvar; p != NULL; p = p->next) {
if (p->already_put
) {
continue;
}
INIT_STRING_FROM_STACK(value, buffer);
expand_value(p->value, &value, false);
if ((length = wcslen(value.buffer.start)) >= MAXPATHLEN) {
mbs = tmp_mbs_buffer = getmem((length + 1) * MB_LEN_MAX);
(void) wcstombs(mbs,
value.buffer.start,
(length + 1) * MB_LEN_MAX);
} else {
mbs = mbs_buffer;
WCSTOMBS(mbs, value.buffer.start);
}
length = 2 + strlen(p->name->string_mb) + strlen(mbs);
if (!p->already_put || length > (MAXPATHLEN * MB_LEN_MAX)) {
env = tmp_mbs_buffer2 = getmem(length);
} else {
env = mbs_buffer2;
}
(void) sprintf(env,
"%s=%s",
p->name->string_mb,
mbs);
if (!p->already_put) {
(void) putenv(env);
p->already_put = true;
if (p->env_string) {
retmem_mb(p->env_string);
}
p->env_string = env;
tmp_mbs_buffer2 = NULL; // We should not return this memory now
}
if (tmp_mbs_buffer2) {
retmem_mb(tmp_mbs_buffer2);
tmp_mbs_buffer2 = NULL;
}
if (tmp_mbs_buffer) {
retmem_mb(tmp_mbs_buffer);
tmp_mbs_buffer = NULL;
}
}
}
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