1 /* 2 * Copyright (c) 2021, 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 23 * questions. 24 */ 25 26 #ifndef _JVM_IO_H_ 27 #define _JVM_IO_H_ 28 29 #include <sys/stat.h> 30 31 #include "jni.h" 32 #include "jvm_md.h" 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * The standard printing functions supported by the Java VM. (Should they 40 * be renamed to JVM_* in the future? 41 */ 42 43 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3), 44 * respectively, with the following differences: 45 * - The string written to str is always zero-terminated, also in case of 46 * truncation (count is too small to hold the result string), unless count 47 * is 0. In case of truncation count-1 characters are written and '\0' 48 * appendend. 49 * - If count is too small to hold the whole string, -1 is returned across 50 * all platforms. */ 51 52 JNIEXPORT int 53 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args); 54 55 JNIEXPORT int 56 jio_snprintf(char *str, size_t count, const char *fmt, ...); 57 58 JNIEXPORT int 59 jio_fprintf(FILE *, const char *fmt, ...); 60 61 JNIEXPORT int 62 jio_vfprintf(FILE *, const char *fmt, va_list args); 63 64 #ifdef __cplusplus 65 } /* extern "C" */ 66 #endif /* __cplusplus */ 67 68 #endif /* _JVM_IO_H_ */ 69