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-rw-r--r--librols/stdio/filewrite.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/librols/stdio/filewrite.c b/librols/stdio/filewrite.c
new file mode 100644
index 0000000..dd3603f
--- /dev/null
+++ b/librols/stdio/filewrite.c
@@ -0,0 +1,107 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)filewrite.c 1.14 04/08/08 Copyright 1986, 1995-2003 J. Schilling */
+/*
+ * Copyright (c) 1986, 1995-2003 J. Schilling
+ */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING. If not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "schilyio.h"
+
+static char _writeerr[] = "file_write_err";
+
+#ifdef HAVE_USG_STDIO
+
+EXPORT int
+filewrite(f, vbuf, len)
+ register FILE *f;
+ void *vbuf;
+ int len;
+{
+ register int n;
+ int cnt;
+ char *buf = vbuf;
+
+ down2(f, _IOWRT, _IORW);
+
+ if (f->_flag & _IONBF) {
+ cnt = write(fileno(f), buf, len);
+ if (cnt < 0) {
+ f->_flag |= _IOERR;
+ if (!(my_flag(f) & _IONORAISE))
+ raisecond(_writeerr, 0L);
+ }
+ return (cnt);
+ }
+ cnt = 0;
+ while (len > 0) {
+ if (f->_cnt <= 0) {
+ if (usg_flsbuf((unsigned char) *buf++, f) == EOF)
+ break;
+ cnt++;
+ if (--len == 0)
+ break;
+ }
+ if ((n = f->_cnt >= len ? len : f->_cnt) > 0) {
+ f->_ptr = (unsigned char *)movebytes(buf, f->_ptr, n);
+ buf += n;
+ f->_cnt -= n;
+ cnt += n;
+ len -= n;
+ }
+ }
+ if (!ferror(f))
+ return (cnt);
+ if (!(my_flag(f) & _IONORAISE))
+ raisecond(_writeerr, 0L);
+ return (-1);
+}
+
+#else
+
+EXPORT int
+filewrite(f, vbuf, len)
+ register FILE *f;
+ void *vbuf;
+ int len;
+{
+ int cnt;
+ char *buf = vbuf;
+
+ down2(f, _IOWRT, _IORW);
+
+ if (my_flag(f) & _IOUNBUF)
+ return (write(fileno(f), buf, len));
+ cnt = fwrite(buf, 1, len, f);
+
+ if (!ferror(f))
+ return (cnt);
+ if (!(my_flag(f) & _IONORAISE))
+ raisecond(_writeerr, 0L);
+ return (-1);
+}
+
+#endif /* HAVE_USG_STDIO */