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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "sbfocus_enter.h"
/*
* sbfocus_symbol() will write one symbol to a pipe that has the program
* "sbfocus" at the receiving end. If the program has not been started yet,
* it is started, and the pipe established. "sbfocus" is started with the
* function arguments "type" and "name" as its arguments, in that order.
*
* sbfocus_symbol() should be called with four arguments:
* data Pointer to a Sbld struct that the caller has allocated in
* permanent storage. It must be the same struct for all related
* calls to sbfocus_symbol().
* name This is the string name of the library/executable being built.
* type A string, should be one of:
* "-a": Building a archived library
* "-s": Building a shared library
* "-x": Building an executable
* "-r": Concatenating object files
* symbol The string that should be written to "sbfocus". If this
* argument is NULL "sbfocus" is started, but no symbol is
* written to it.
*/
void
sbfocus_symbol(Sbld data, char *name, char *type, char *symbol)
{
int fd[2];
if (data->failed) {
return;
}
if (data->fd == NULL) {
data->failed = 0;
(void) pipe(fd);
switch (vfork()) {
case -1:
(void) fprintf(stderr,
"vfork() failed. SourceBrowser data will be lost.\n");
data->failed = 1;
(void) close(fd[0]);
(void) close(fd[1]);
return;
/*
* Child process
*/
case 0:
(void) dup2(fd[0], fileno(stdin));
(void) close(fd[1]);
(void) execlp("sbfocus", "sbfocus", type, name, 0);
data->failed = 1;
_exit(1);
/*
* Parent process
*/
default:
if (data->failed) {
(void) fprintf(stderr,
"`sbfocus' would not start."
" SourceBrowser data will be lost.\n");
return;
}
(void) close(fd[0]);
data->fd = fdopen(fd[1], "w");
break;
}
}
if (symbol != NULL) {
(void) fputs(symbol, data->fd);
(void) putc('\n', data->fd);
}
}
/*
* sbfocus_close() will close the pipe to "sbfocus", causing it to terminate.
*
* sbfocus_close() should be called with one argument, a pointer to the data
* block used with sbfocus_symbol().
*/
void
sbfocus_close(Sbld data)
{
if ((data->fd != NULL) && (data->failed == 0)) {
(void) fclose(data->fd);
}
data->fd = NULL;
data->failed = 0;
}
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