1 /*
2 * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
57 if (p != NULL && p != sym) {
58 // sym == _JNI_OnLoad@8
59 strncpy(jniEntryName, sym, (p - sym));
60 jniEntryName[(p-sym)] = '\0';
61 // jniEntryName == _JNI_OnLoad
62 strcat(jniEntryName, "_");
63 strcat(jniEntryName, cname);
64 strcat(jniEntryName, p);
65 //jniEntryName == _JNI_OnLoad_cname@8
66 } else {
67 strcpy(jniEntryName, sym);
68 strcat(jniEntryName, "_");
69 strcat(jniEntryName, cname);
70 }
71 } else {
72 strcpy(jniEntryName, sym);
73 }
74 return;
75 }
76
77 size_t
78 getLastErrorString(char *utf8_jvmErrorMsg, size_t cbErrorMsg)
79 {
80 size_t n = 0;
81 if (cbErrorMsg > 0) {
82 BOOLEAN noError = FALSE;
83 WCHAR *utf16_osErrorMsg = (WCHAR *)malloc(cbErrorMsg*sizeof(WCHAR));
84 if (utf16_osErrorMsg == NULL) {
85 // OOM accident
86 strncpy(utf8_jvmErrorMsg, "Out of memory", cbErrorMsg);
87 // truncate if too long
88 utf8_jvmErrorMsg[cbErrorMsg - 1] = '\0';
89 n = strlen(utf8_jvmErrorMsg);
90 } else {
91 DWORD errval = GetLastError();
92 if (errval != 0) {
93 // WIN32 error
94 n = (size_t)FormatMessageW(
95 FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
96 NULL,
97 errval,
127 NULL);
128
129 // no way to die
130 if (n > 0)
131 utf8_jvmErrorMsg[min(cbErrorMsg - 1, n)] = '\0';
132 }
133
134 if (n <= 0) {
135 strncpy(utf8_jvmErrorMsg, "Secondary error while OS message extraction", cbErrorMsg);
136 // truncate if too long
137 utf8_jvmErrorMsg[cbErrorMsg - 1] = '\0';
138 n = strlen(utf8_jvmErrorMsg);
139 }
140 }
141 free(utf16_osErrorMsg);
142 }
143 }
144 return n;
145 }
146
147 int
148 getErrorString(int err, char *buf, size_t len)
149 {
150 int ret = 0;
151 if (err == 0 || len < 1) return 0;
152 ret = strerror_s(buf, len, err);
153 return ret;
154 }
|
1 /*
2 * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
57 if (p != NULL && p != sym) {
58 // sym == _JNI_OnLoad@8
59 strncpy(jniEntryName, sym, (p - sym));
60 jniEntryName[(p-sym)] = '\0';
61 // jniEntryName == _JNI_OnLoad
62 strcat(jniEntryName, "_");
63 strcat(jniEntryName, cname);
64 strcat(jniEntryName, p);
65 //jniEntryName == _JNI_OnLoad_cname@8
66 } else {
67 strcpy(jniEntryName, sym);
68 strcat(jniEntryName, "_");
69 strcat(jniEntryName, cname);
70 }
71 } else {
72 strcpy(jniEntryName, sym);
73 }
74 return;
75 }
76
77 JNIEXPORT size_t JNICALL
78 getLastErrorString(char *utf8_jvmErrorMsg, size_t cbErrorMsg)
79 {
80 size_t n = 0;
81 if (cbErrorMsg > 0) {
82 BOOLEAN noError = FALSE;
83 WCHAR *utf16_osErrorMsg = (WCHAR *)malloc(cbErrorMsg*sizeof(WCHAR));
84 if (utf16_osErrorMsg == NULL) {
85 // OOM accident
86 strncpy(utf8_jvmErrorMsg, "Out of memory", cbErrorMsg);
87 // truncate if too long
88 utf8_jvmErrorMsg[cbErrorMsg - 1] = '\0';
89 n = strlen(utf8_jvmErrorMsg);
90 } else {
91 DWORD errval = GetLastError();
92 if (errval != 0) {
93 // WIN32 error
94 n = (size_t)FormatMessageW(
95 FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
96 NULL,
97 errval,
127 NULL);
128
129 // no way to die
130 if (n > 0)
131 utf8_jvmErrorMsg[min(cbErrorMsg - 1, n)] = '\0';
132 }
133
134 if (n <= 0) {
135 strncpy(utf8_jvmErrorMsg, "Secondary error while OS message extraction", cbErrorMsg);
136 // truncate if too long
137 utf8_jvmErrorMsg[cbErrorMsg - 1] = '\0';
138 n = strlen(utf8_jvmErrorMsg);
139 }
140 }
141 free(utf16_osErrorMsg);
142 }
143 }
144 return n;
145 }
146
147 JNIEXPORT int JNICALL
148 getErrorString(int err, char *buf, size_t len)
149 {
150 int ret = 0;
151 if (err == 0 || len < 1) return 0;
152 ret = strerror_s(buf, len, err);
153 return ret;
154 }
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