From f721e3ac031f892af46f255a47d7f54a91317b30 Mon Sep 17 00:00:00 2001
From: The Android Open Source Project <initial-contribution@android.com>
Date: Tue, 3 Mar 2009 18:28:35 -0800
Subject: auto import from //depot/cupcake/@135843

---
 cbuffer.c | 231 --------------------------------------------------------------
 1 file changed, 231 deletions(-)
 delete mode 100644 cbuffer.c

(limited to 'cbuffer.c')

diff --git a/cbuffer.c b/cbuffer.c
deleted file mode 100644
index 0e99237..0000000
--- a/cbuffer.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/* Copyright (C) 2007-2008 The Android Open Source Project
-**
-** This software is licensed under the terms of the GNU General Public
-** License version 2, as published by the Free Software Foundation, and
-** may be copied, distributed, and modified under those terms.
-**
-** 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.
-*/
-#include "cbuffer.h"
-#include "android/utils/stralloc.h"
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <stdio.h>
-
-#define  DEBUG  0
-
-#if DEBUG
-#  define  ASSERT(cond,fmt,...)  ({ if (!(cond)) { fprintf(stderr, fmt, __VA_ARGS__); assert(cond); } })
-#else
-#  define  ASSERT(cond,fmt,...)  ((void)0)
-#endif
-
-#if DEBUG
-void
-cbuffer_assert( CBuffer*  cb, const char*  file, long  lineno )
-{
-    const char*  reason = NULL;
-
-    if (cb->rpos < 0 || cb->rpos >= cb->size) {
-        reason = "rpos is out of bounds";
-    }
-    else if (cb->count < 0 || cb->count > cb->size) {
-        reason = "count is incorrect";
-    }
-    if (!reason)
-        return;
-
-    fprintf(stderr, "assert:%s:%ld: assertion failed: %s (pos=%d count=%d size=%d)\n",
-            file, lineno, reason, cb->rpos, cb->count, cb->size);
-    assert(0);
-}
-#  define  CBUFFER_ASSERT(cb)  cbuffer_assert(cb,__FUNCTION__,__LINE__)
-#else
-#  define  CBUFFER_ASSERT(cb)  ((void)0)
-#endif
-
-int
-cbuffer_write_peek( CBuffer*  cb, uint8_t*  *pbase )
-{
-    int  wpos  = cb->rpos + cb->count;
-    int  avail = cb->size - cb->count;
-
-    CBUFFER_ASSERT(cb);
-
-    if (wpos >= cb->size)
-        wpos -= cb->size;
-
-    if (wpos + avail > cb->size)
-        avail = cb->size - wpos;
-
-    *pbase = cb->buff + wpos;
-    return avail;
-}
-
-void
-cbuffer_write_step( CBuffer*  cb, int  len )
-{
-    CBUFFER_ASSERT(cb);
-
-    cb->count += len;
-    if (cb->count > cb->size)
-        cb->count = cb->size;
-}
-
-
-int
-cbuffer_write( CBuffer*  cb, const void*  from, int  len )
-{
-    int  len2 = len;
-
-    CBUFFER_ASSERT(cb);
-
-    while (len2 > 0) {
-        int  avail = cb->size - cb->count;
-        int  wpos  = cb->rpos + cb->count;
-
-        ASSERT(avail >= 0, "avail is negative: %d", avail);
-
-        if (avail == 0)
-            break;
-
-        if (wpos >= cb->size)
-            wpos -= cb->size;
-
-        ASSERT( wpos >= 0 && wpos < cb->size, "wpos is out-of-bounds: %d (rpos=%d)", wpos, cb->rpos);
-
-        if (wpos + avail > cb->size)
-            avail = cb->size - wpos;
-
-        if (avail > len2)
-            avail = len2;
-
-        memcpy( cb->buff + wpos, (const char*)from, avail );
-
-        from  = (char*)from + avail;
-        len2 -= avail;
-        cb->count += avail;
-    }
-    return len - len2;
-}
-
-int
-cbuffer_read( CBuffer*  cb, void*  to, int  len )
-{
-    int   len2 = len;
-
-    CBUFFER_ASSERT(cb);
-
-    while (len2 > 0) {
-        int  avail = cb->count;
-        int  rpos = cb->rpos;
-
-        ASSERT(avail >= 0, "avail is negative: %d", avail);
-
-        if (avail == 0)
-            break;
-
-        ASSERT((rpos >= 0 && rpos < cb->size), "rpos is out-of-bounds: %d", rpos);
-
-        if (rpos+avail > cb->size)
-            avail = cb->size - rpos;
-
-        if (avail > len2)
-            avail = len2;
-
-        memcpy( (char*)to, (const char*)cb->buff + rpos, avail );
-        to    = (char*)to + avail;
-        len2 -= avail;
-        cb->count -= avail;
-        cb->rpos  += avail;
-        if (cb->rpos >= cb->size)
-            cb->rpos -= cb->size;
-    }
-    return len - len2;
-}
-
-int
-cbuffer_read_peek( CBuffer*  cb, uint8_t*  *pbase )
-{
-    int   rpos  = cb->rpos;
-    int   avail = cb->count;
-
-    CBUFFER_ASSERT(cb);
-
-    if (rpos + avail > cb->size)
-        avail = cb->size - rpos;
-
-    *pbase = cb->buff + rpos;
-    return avail;
-}
-
-
-void
-cbuffer_read_step( CBuffer*  cb, int  len )
-{
-    CBUFFER_ASSERT(cb);
-
-    if (len > cb->count)
-        len = cb->count;
-
-    cb->rpos  += len;
-    if (cb->rpos >= cb->size)
-        cb->rpos -= cb->size;
-
-    cb->count -= len;
-}
-
-const char*
-cbuffer_quote( CBuffer*  cb )
-{
-    STRALLOC_DEFINE(s);
-    char* q;
-
-    stralloc_format( s, "cbuffer %p (pos=%d count=%d size=%d)",
-                     cb, cb->rpos, cb->count, cb->size );
-
-    q = stralloc_to_tempstr( s );
-    stralloc_reset(s);
-
-    return q;
-}
-
-const char*
-cbuffer_quote_data( CBuffer*  cb )
-{
-    STRALLOC_DEFINE(s);
-    int   len  = cb->count;
-    int   rpos = cb->rpos;
-    char* result;
-
-    while (len > 0) {
-        int  avail = len;
-
-        if (rpos >= cb->size)
-            rpos -= cb->size;
-
-        if (rpos + avail > cb->size)
-            avail = cb->size - rpos;
-
-        stralloc_add_quote_bytes( s, cb->buff + rpos, avail );
-        rpos += avail;
-        len  -= avail;
-    }
-
-    result = stralloc_to_tempstr(s);
-    stralloc_reset(s);
-
-    return result;
-}
-
-void
-cbuffer_print( CBuffer*  cb )
-{
-    /* print the content of a cbuffer */
-    printf( "%s: %s", cbuffer_quote(cb), cbuffer_quote_data(cb) );
-}
-
-- 
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