Open64 (mfef90, whirl2f, and IR tools)
TAG: version-openad; SVN changeset: 916
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00001 /* 00002 00003 Copyright (C) 2000, 2001, Silicon Graphics, Inc. All Rights Reserved. 00004 00005 This program is free software; you can redistribute it and/or modify it 00006 under the terms of version 2.1 of the GNU Lesser General Public License 00007 as published by the Free Software Foundation. 00008 00009 This program is distributed in the hope that it would be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 00013 Further, this software is distributed without any warranty that it is 00014 free of the rightful claim of any third person regarding infringement 00015 or the like. Any license provided herein, whether implied or 00016 otherwise, applies only to this software file. Patent licenses, if 00017 any, provided herein do not apply to combinations of this program with 00018 other software, or any other product whatsoever. 00019 00020 You should have received a copy of the GNU Lesser General Public 00021 License along with this program; if not, write the Free Software 00022 Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, 00023 USA. 00024 00025 Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pky, 00026 Mountain View, CA 94043, or: 00027 00028 http://www.sgi.com 00029 00030 For further information regarding this notice, see: 00031 00032 http://oss.sgi.com/projects/GenInfo/NoticeExplan 00033 00034 */ 00035 00036 00037 00038 #pragma ident "@(#) libf/fio/writec.c 92.3 06/21/99 10:37:55" 00039 00040 /* 00041 * write characters 00042 */ 00043 00044 #include <errno.h> 00045 #include <foreign.h> 00046 #include <liberrno.h> 00047 #include "fio.h" 00048 00049 #define STATUS 4 /* argument number for optional status parameter */ 00050 00051 static void __WRITEC(); 00052 00053 /* 00054 * write characters, full record mode 00055 */ 00056 void 00057 WRITEC( 00058 _f_int *unump, 00059 _f_int *uda, 00060 _f_int *charsp, 00061 _f_int *status) 00062 { 00063 _f_int *statp; 00064 00065 statp = (_numargs() < STATUS) ? NULL : status; 00066 00067 __WRITEC(FULL, unump, uda, charsp, statp); 00068 00069 return; 00070 } 00071 00072 /* 00073 * write characters, partial record mode 00074 */ 00075 void 00076 WRITECP( 00077 _f_int *unump, 00078 _f_int *uda, 00079 _f_int *charsp, 00080 _f_int *status) 00081 { 00082 _f_int *statp; 00083 00084 statp = (_numargs() < STATUS) ? NULL : status; 00085 00086 __WRITEC(PARTIAL, unump, uda, charsp, statp); 00087 00088 return; 00089 } 00090 00091 /* 00092 * Write characters, full or partial record mode 00093 */ 00094 static void 00095 __WRITEC( 00096 int fulp, 00097 _f_int *unump, 00098 _f_int *uda, 00099 _f_int *charsp, 00100 _f_int *status) 00101 { 00102 register int ret; 00103 register int errn; 00104 long chars; 00105 unum_t unum; 00106 unit *cup; 00107 struct fiostate cfs; 00108 00109 chars = *charsp; 00110 unum = *unump; 00111 errn = 0; 00112 00113 STMT_BEGIN(unum, 0, T_WSF, NULL, &cfs, cup); 00114 /* 00115 * If not connected, do an implicit open. 00116 */ 00117 if (cup == NULL) { 00118 int ostat; 00119 00120 cup = _imp_open(&cfs, SEQ, FMT, unum, (status != NULL), 00121 &ostat); 00122 00123 if (cup == NULL) { 00124 errn = ostat; 00125 goto done; 00126 } 00127 } 00128 00129 if (!cup->ok_wr_seq_fmt) { 00130 errn = _get_mismatch_error(1, T_WSF, cup, &cfs); 00131 goto done; 00132 } 00133 00134 cup->uwrt = 1; 00135 00136 if (cup->uend) { 00137 /* 00138 * If positioned after an endfile, and the file does not 00139 * support multiple endfiles, a write is invalid. 00140 */ 00141 if (!cup->umultfil && !cup->uspcproc) { 00142 errn = FEWRAFEN; 00143 goto done; 00144 } 00145 /* 00146 * If a logical endfile record had just been read, 00147 * replace it with a physical endfile record before 00148 * starting the current data record. 00149 */ 00150 if ((cup->uend == LOGICAL_ENDFILE) && !(cup->uspcproc)) { 00151 if (XRCALL(cup->ufp.fdc, weofrtn)cup->ufp.fdc, 00152 &cup->uffsw) < 0) { 00153 errn = cup->uffsw.sw_error; 00154 goto done; 00155 } 00156 } 00157 cup->uend = BEFORE_ENDFILE; 00158 } 00159 00160 ret = _fwch(cup, (long *) uda, chars, fulp); 00161 00162 if ( ret == IOERR ) { 00163 errn = errno; 00164 goto done; 00165 } 00166 00167 if (status != NULL) 00168 *status = 0; 00169 00170 done: 00171 if (errn != 0) { 00172 if (status == NULL) 00173 _ferr(&cfs, errn); 00174 else 00175 *status = errn; 00176 } 00177 00178 STMT_END(cup, TF_WRITE, NULL, &cfs); 00179 00180 return; 00181 }