1 /*
2 * Copyright (c) 2004, 2013, 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
56 char *p = strrchr(sym, '@');
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 }
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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
56 char *p = strrchr(sym, '@');
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,
98 0,
99 utf16_osErrorMsg,
100 (DWORD)cbErrorMsg,
101 NULL);
102 if (n > 3) {
103 // Drop final '.', CR, LF
104 if (utf16_osErrorMsg[n - 1] == L'\n') --n;
105 if (utf16_osErrorMsg[n - 1] == L'\r') --n;
106 if (utf16_osErrorMsg[n - 1] == L'.') --n;
107 utf16_osErrorMsg[n] = L'\0';
108 }
109 } else if (errno != 0) {
110 // C runtime error that has no corresponding WIN32 error code
111 const WCHAR *rtError = _wcserror(errno);
112 if (rtError != NULL) {
113 wcsncpy(utf16_osErrorMsg, rtError, cbErrorMsg);
114 // truncate if too long
115 utf16_osErrorMsg[cbErrorMsg - 1] = L'\0';
116 n = wcslen(utf16_osErrorMsg);
117 }
118 } else
119 noError = TRUE; //OS has no error to report
120
121 if (!noError) {
122 if (n > 0) {
123 n = WideCharToMultiByte(
124 CP_UTF8,
125 0,
126 utf16_osErrorMsg,
127 n,
128 utf8_jvmErrorMsg,
129 cbErrorMsg,
130 NULL,
131 NULL);
132
133 // no way to die
134 if (n > 0)
135 utf8_jvmErrorMsg[min(cbErrorMsg - 1, n)] = '\0';
136 }
137
138 if (n <= 0) {
139 strncpy(utf8_jvmErrorMsg, "Secondary error while OS message extraction", cbErrorMsg);
140 // truncate if too long
141 utf8_jvmErrorMsg[cbErrorMsg - 1] = '\0';
142 n = strlen(utf8_jvmErrorMsg);
143 }
144 }
145 free(utf16_osErrorMsg);
146 }
147 }
148 return n;
149 }
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