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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Sun Microsystems, Inc.
* Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
/*
* Portable JRE support functions - pared this down to minimal set I need
*/
#include <string.h>
#include <stdlib.h>
#include <jni.h>
#include "jre.h"
/*
* Exits the runtime with the specified error message.
*/
void
JRE_FatalError(JNIEnv *env, const char *msg)
{
if ((*env)->ExceptionOccurred(env)) {
(*env)->ExceptionDescribe(env);
}
(*env)->FatalError(env, msg);
}
/*
* Parses a runtime version string. Returns 0 if the successful, otherwise
* returns -1 if the format of the version string was invalid.
*/
jint
JRE_ParseVersion(const char *ver, char **majorp, char **minorp, char **microp)
{
int n1 = 0, n2 = 0, n3 = 0;
sscanf(ver, "%*[0-9]%n.%*[0-9]%n.%*[0-9a-zA-Z]%n", &n1, &n2, &n3);
if (n1 == 0 || n2 == 0) {
return -1;
}
if (n3 != 0) {
if (n3 != (int)strlen(ver)) {
return -1;
}
} else if (n2 != (int)strlen(ver)) {
return -1;
}
*majorp = JRE_Malloc(n1 + 1);
strncpy(*majorp, ver, n1);
(*majorp)[n1] = 0;
*minorp = JRE_Malloc(n2 - n1);
strncpy(*minorp, ver + n1 + 1, n2 - n1 - 1);
(*minorp)[n2 - n1 - 1] = 0;
if (n3 != 0) {
*microp = JRE_Malloc(n3 - n2);
strncpy(*microp, ver + n2 + 1, n3 - n2 - 1);
(*microp)[n3 - n2 - 1] = 0;
}
return 0;
}
/*
* Creates a version number string from the specified major, minor, and
* micro version numbers.
*/
char *
JRE_MakeVersion(const char *major, const char *minor, const char *micro)
{
char *ver = 0;
if (major != 0 && minor != 0) {
int len = strlen(major) + strlen(minor);
if (micro != 0) {
ver = JRE_Malloc(len + strlen(micro) + 3);
sprintf(ver, "%s.%s.%s", major, minor, micro);
} else {
ver = JRE_Malloc(len + 2);
sprintf(ver, "%s.%s", major, minor);
}
}
return ver;
}
/*
* Allocate memory or die.
*/
void *
JRE_Malloc(size_t size)
{
void *p = malloc(size);
if (p == 0) {
perror("malloc");
exit(1);
}
return p;
}
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