102   struct lto_compression_stream *stream  in lto_new_compression_stream()  local
103     = (struct lto_compression_stream *) xmalloc (sizeof (*stream));  in lto_new_compression_stream()
105   memset (stream, 0, sizeof (*stream));  in lto_new_compression_stream()
106   stream->callback = callback;  in lto_new_compression_stream()
107   stream->opaque = opaque;  in lto_new_compression_stream()
108   stream->is_compression = is_compression;  in lto_new_compression_stream()
110   return stream;  in lto_new_compression_stream()
116 lto_append_to_compression_stream (struct lto_compression_stream *stream,  in lto_append_to_compression_stream()  argument
119   size_t required = stream->bytes + num_chars;  in lto_append_to_compression_stream()
121   if (stream->allocation < required)  in lto_append_to_compression_stream()
123       if (stream->allocation == 0)  in lto_append_to_compression_stream()
124 	stream->allocation = MIN_STREAM_ALLOCATION;  in lto_append_to_compression_stream()
125       while (stream->allocation < required)  in lto_append_to_compression_stream()
126 	stream->allocation *= 2;  in lto_append_to_compression_stream()
128       stream->buffer = (char *) xrealloc (stream->buffer, stream->allocation);  in lto_append_to_compression_stream()
131   memcpy (stream->buffer + stream->bytes, base, num_chars);  in lto_append_to_compression_stream()
132   stream->bytes += num_chars;  in lto_append_to_compression_stream()
138 lto_destroy_compression_stream (struct lto_compression_stream *stream)  in lto_destroy_compression_stream()  argument
140   free (stream->buffer);  in lto_destroy_compression_stream()
141   free (stream);  in lto_destroy_compression_stream()
157 lto_compress_block (struct lto_compression_stream *stream,  in lto_compress_block()  argument
160   gcc_assert (stream->is_compression);  in lto_compress_block()
162   lto_append_to_compression_stream (stream, base, num_chars);  in lto_compress_block()
169 lto_end_compression (struct lto_compression_stream *stream)  in lto_end_compression()  argument
171   unsigned char *cursor = (unsigned char *) stream->buffer;  in lto_end_compression()
172   size_t remaining = stream->bytes;  in lto_end_compression()
179   gcc_assert (stream->is_compression);  in lto_end_compression()
206       stream->callback ((const char *) outbuf, out_bytes, stream->opaque);  in lto_end_compression()
224   lto_destroy_compression_stream (stream);  in lto_end_compression()
242 lto_uncompress_block (struct lto_compression_stream *stream,  in lto_uncompress_block()  argument
245   gcc_assert (!stream->is_compression);  in lto_uncompress_block()
247   lto_append_to_compression_stream (stream, base, num_chars);  in lto_uncompress_block()
258 lto_end_uncompression (struct lto_compression_stream *stream)  in lto_end_uncompression()  argument
260   unsigned char *cursor = (unsigned char *) stream->buffer;  in lto_end_uncompression()
261   size_t remaining = stream->bytes;  in lto_end_uncompression()
266   gcc_assert (!stream->is_compression);  in lto_end_uncompression()
298 	  stream->callback ((const char *) outbuf, out_bytes, stream->opaque);  in lto_end_uncompression()
317   lto_destroy_compression_stream (stream);  in lto_end_uncompression()