Initial check-in of (stripped-down) UCL data compression library v 1.01

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8087 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 105 insertions, 0 deletions

diff --git a/tools/ucl/src/io.c b/tools/ucl/src/io.c
new file mode 100644
index 0000000000..58bd436ac0
--- /dev/null
+++ b/tools/ucl/src/io.c
@@ -0,0 +1,105 @@
+/* io.c -- io functions
+
+   This file is part of the UCL data compression library.
+
+   Copyright (C) 1996-2002 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   The UCL library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   The UCL library 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 the UCL library; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+   http://www.oberhumer.com/opensource/ucl/
+ */
+
+
+#include "ucl_conf.h"
+
+#if !defined(NO_STDIO_H)
+
+#include <stdio.h>
+#include <ucl/uclutil.h>
+
+#undef ucl_fread
+#undef ucl_fwrite
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+UCL_PUBLIC(ucl_uint)
+ucl_fread(FILE *f, ucl_voidp s, ucl_uint len)
+{
+#if 1 && (UCL_UINT_MAX <= SIZE_T_MAX)
+    return fread(s,1,len,f);
+#else
+    ucl_byte *p = (ucl_byte *) s;
+    ucl_uint l = 0;
+    size_t k;
+    unsigned char *b;
+    unsigned char buf[512];
+
+    while (l < len)
+    {
+        k = len - l > sizeof(buf) ? sizeof(buf) : (size_t) (len - l);
+        k = fread(buf,1,k,f);
+        if (k <= 0)
+            break;
+        l += k;
+        b = buf; do *p++ = *b++; while (--k > 0);
+    }
+    return l;
+#endif
+}
+
+
+/***********************************************************************
+//
+************************************************************************/
+
+UCL_PUBLIC(ucl_uint)
+ucl_fwrite(FILE *f, const ucl_voidp s, ucl_uint len)
+{
+#if 1 && (UCL_UINT_MAX <= SIZE_T_MAX)
+    return fwrite(s,1,len,f);
+#else
+    const ucl_byte *p = (const ucl_byte *) s;
+    ucl_uint l = 0;
+    size_t k, n;
+    unsigned char *b;
+    unsigned char buf[512];
+
+    while (l < len)
+    {
+        k = len - l > sizeof(buf) ? sizeof(buf) : (size_t) (len - l);
+        b = buf; n = k; do *b++ = *p++; while (--n > 0);
+        k = fwrite(buf,1,k,f);
+        if (k <= 0)
+            break;
+        l += k;
+    }
+    return l;
+#endif
+}
+
+
+#endif /* !defined(NO_STDIO_H) */
+
+
+/*
+vi:ts=4:et
+*/