Use size_t for sizes in I/O classes

[libs/core.git] / source / io / zlibcompressed.cpp

diff --git a/source/io/zlibcompressed.cpp b/source/io/zlibcompressed.cpp
index 3ad4f224a14f0ca9b9c2fb29d5e4df70a851c4b2..f477bdc46f180e3446f5ee898470c9519ad0fdff 100644 (file)
--- a/source/io/zlibcompressed.cpp
+++ b/source/io/zlibcompressed.cpp
@@ -141,15 +141,15 @@ void ZlibCompressed::flush()
 #endif
 }
 
-unsigned ZlibCompressed::do_write(const char *data, unsigned size)
+size_t ZlibCompressed::do_write(const char *data, size_t size)
 {
        check_access(M_WRITE);
 
-       unsigned processed = 0;
+       size_t processed = 0;
 #ifdef WITH_ZLIB
        while(processed<size)
        {
-               unsigned free_in = (in_buffer+buffer_size-priv->stream.next_in);
+               size_t free_in = (in_buffer+buffer_size-priv->stream.next_in);
                if(free_in<size && priv->stream.next_in>in_buffer)
                {
                        // Not all of the data fits in the buffer, so make some more room
@@ -161,7 +161,7 @@ unsigned ZlibCompressed::do_write(const char *data, unsigned size)
                if(free_in)
                {
                        // Copy as much data into the input buffer as possible
-                       unsigned len = min(free_in, size-processed);
+                       size_t len = min(free_in, size-processed);
                        copy(data+processed, data+processed+len, priv->stream.next_in+priv->stream.avail_in);
                        priv->stream.avail_in += len;
                        processed += len;
@@ -196,12 +196,12 @@ bool ZlibCompressed::compress_data(int flush_mode)
        }
 
        // Write compressed data into the underlying object
-       unsigned len = 0;
+       size_t len = 0;
        if(priv->stream.next_out>out_buffer)
                len = below.write(reinterpret_cast<char *>(out_buffer), priv->stream.next_out-out_buffer);
        if(len>0)
        {
-               if(len<static_cast<unsigned>(priv->stream.next_out-out_buffer))
+               if(len<static_cast<size_t>(priv->stream.next_out-out_buffer))
                        copy(out_buffer+len, priv->stream.next_out, out_buffer);
                priv->stream.avail_out += len;
                priv->stream.next_out -= len;
@@ -217,23 +217,23 @@ bool ZlibCompressed::compress_data(int flush_mode)
 #endif
 }
 
-unsigned ZlibCompressed::do_read(char *data, unsigned size)
+size_t ZlibCompressed::do_read(char *data, size_t size)
 {
        check_access(M_READ);
 
-       unsigned processed = 0;
+       size_t processed = 0;
 #ifdef WITH_ZLIB
        while(processed<size)
        {
                if(priv->stream.next_out>out_buffer)
                {
                        // We have some pending output, give it out first
-                       unsigned len = min<unsigned>(priv->stream.next_out-out_buffer, size-processed);
+                       size_t len = min<size_t>(priv->stream.next_out-out_buffer, size-processed);
 
                        copy(out_buffer, out_buffer+len, data+processed);
                        processed += len;
 
-                       if(len<static_cast<unsigned>(priv->stream.next_out-out_buffer))
+                       if(len<static_cast<size_t>(priv->stream.next_out-out_buffer))
                                copy(out_buffer+len, priv->stream.next_out, out_buffer);
                        priv->stream.next_out -= len;
                        priv->stream.avail_out += len;
@@ -261,7 +261,7 @@ unsigned ZlibCompressed::do_read(char *data, unsigned size)
                                copy(priv->stream.next_in, priv->stream.next_in+priv->stream.avail_in, in_buffer);
                        priv->stream.next_in = in_buffer;
 
-                       unsigned len = below.read(reinterpret_cast<char *>(priv->stream.next_in), in_buffer+buffer_size-priv->stream.next_in);
+                       size_t len = below.read(reinterpret_cast<char *>(priv->stream.next_in), in_buffer+buffer_size-priv->stream.next_in);
                        priv->stream.avail_in += len;
                        if(!len && below.eof())
                                stream_end = true;