import newlib-2000-02-17 snapshot

1 files changed, 69 insertions, 0 deletions

diff --git a/newlib/libc/sys/go32/crlf2nl.c b/newlib/libc/sys/go32/crlf2nl.c
new file mode 100644
index 000000000..18b7061cc
--- /dev/null
+++ b/newlib/libc/sys/go32/crlf2nl.c
@@ -0,0 +1,69 @@
+/* This is file CRLF2NL.C */
+/*
+** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
+**
+** This file is distributed under the terms listed in the document
+** "copying.dj", available from DJ Delorie at the address above.
+** A copy of "copying.dj" should accompany this file; if not, a copy
+** should be available from where this file was obtained.  This file
+** may not be distributed without a verbatim copy of "copying.dj".
+**
+** This file is distributed WITHOUT ANY WARRANTY; without even the implied
+** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+*/
+
+unsigned crlf2nl(char *buf, unsigned len)
+{
+  char *bp = buf;
+  int i=0;
+  while (len--)
+  {
+    if (*bp != 13)
+    {
+      *buf++ = *bp;
+      i++;
+    }
+    bp++;
+  }
+  return i;
+}
+
+unsigned readcr(int fd, char *buf, unsigned len)
+{
+  unsigned i;
+  i = read(fd, buf, len);
+  if (i <= 0)
+    return i;
+  return crlf2nl(buf, i);
+}
+
+static char *sbuf = 0;
+#define BUFSIZE 4096
+
+unsigned writecr(int fd, char *buf, unsigned len)
+{
+  unsigned bufp=0, sbufp=0, crcnt=0, rlen=0;
+  int rv;
+  if (sbuf == 0)
+    sbuf = (char *)malloc(BUFSIZE+1);
+  while (len--)
+  {
+    if (buf[bufp] == 10)
+    {
+      crcnt++;
+      sbuf[sbufp++] = 13;
+    }
+    sbuf[sbufp++] = buf[bufp++];
+    if ((sbufp >= BUFSIZE) || (len == 0))
+    {
+      rv = write(fd, sbuf, sbufp);
+      if (rv < 0)
+        return rv;
+      rlen += rv - crcnt;
+      crcnt = 0;
+      sbufp = 0;
+    }
+  }
+  return rlen;
+}
+