1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 #include "synonyms.h" 34 #include <mtlib.h> 35 #include <stdarg.h> 36 #include <values.h> 37 #include <errno.h> 38 #include <thread.h> 39 #include <synch.h> 40 #include <sys/types.h> 41 #include "print.h" 42 #include "libc.h" 43 44 /*VARARGS2*/ 45 int 46 sprintf(char *string, const char *format, ...) 47 { 48 ssize_t count; 49 FILE siop; 50 va_list ap; 51 52 siop._cnt = MAXINT; 53 siop._base = siop._ptr = (unsigned char *)string; 54 siop._flag = _IOREAD; /* distinguish dummy file descriptor */ 55 va_start(ap, format); 56 57 count = _ndoprnt(format, ap, &siop, 0); 58 va_end(ap); 59 *siop._ptr = '\0'; /* plant terminating null character */ 60 if (count == EOF) { 61 return (EOF); 62 } 63 64 /* check for overflow */ 65 if ((size_t)count > MAXINT) { 66 errno = EOVERFLOW; 67 return (EOF); 68 } else { 69 return ((int)count); 70 } 71 } 72 73 #ifndef _LP64 74 75 /* 76 * 32-bit shadow function of sprintf(). 77 * When using the c89 compiler to build 32-bit applications, the size 78 * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits. 79 * The shadow function uses 32-bit size of intmax_t for %j conversion. 80 * The #pragma redefine_extname in <stdio.h> selects the proper routine 81 * at compile time for the user application. 82 * NOTE: this function is only available in the 32-bit library. 83 */ 84 85 int 86 _sprintf_c89(char *string, const char *format, ...) 87 { 88 ssize_t count; 89 va_list ap; 90 91 va_start(ap, format); 92 count = _vsprintf_c89(string, format, ap); 93 va_end(ap); 94 return ((int)count); 95 } 96 97 #endif /* _LP64 */ 98