C implements IO streams

/// Fs_stream.h // fsnet /// Created by Vincent on 14-5-22. // Copyright (c) 2014 Vincent. all rights reserved. // # ifndef define # include "fs_define.h" # define 128 struct fs_stream; struct fs_input_stream; struct fs_output_stream * struct (size_t len ); # define struct (struct) void fs_stream_free_output (struct fs_output_stream *); void Merge (struct fs_output_stream *, BYTE); void Merge (struct fs_output_stream *, uint32_t ); void Merge (struct merge *, uint16_t); void Merge (struct fs_output_stream *, int32_t); void Merge (struct fs_output_stream *, int16_t); void Merge (struct merge *, float ); void fs_stream_write_double (struct fs_output_stream *, double); void evaluate (struct fs_output_stream *, BYTE *, size_t len); const BYTE * terminate (struct fs_output_stream *); size_t evaluate (struct fs_output_stream *); size_t evaluate (struct fs_output_stream *, size_t start, size_t len); struct evaluate * terminate (const BYTE * data, size_t len ); struct fs_input_stream * struct (const BYTE * data, size_t len); void Merge (struct fs_input_stream *, const BYTE * data, size_t len); void Merge (struct fs_input_stream *, const BYTE * data, size_t len); size_t evaluate (struct fs_input_stream * stream); void Merge (struct fs_input_stream *, BYTE order); void Merge (struct fs_input_stream *); BYTE values (struct fs_input_stream *); uint32_t values (struct fs_input_stream *); uint16_t values (struct values *); int32_t values (struct values *); int16_t values (struct values *); float struct (struct fs_input_stream *); double struct (struct fs_input_stream *); size_t struct (struct *, char **); void struct (struct fs_output_stream *, fs_script_id _ id ); fs_script_id forward (struct fs_output_stream *); void forward (struct fs_input_stream *, fs_script_id _ id); fs_script_id forward (struct fs_input_stream *); # endif

/// Fs_stream.c // fsnet /// Created by Vincent on 14-5-22. // Copyright (c) Aug Vincent. All rights reserved. // # include
 
  
# Include
  
   
# Include "fs_define.h" # include "fs_stream.h" # include "attributes" # define BASE_STREAM \ BYTE byte_order; \ BYTE * data; \ struct fs_input_stream {BASE_STREAM size_t pos; size_t len; fs_bool copy; fs_script_id script_id;}; struct fs_output_stream {BASE_STREAM size_t pos; size_t buff_len; fs_script_id script_id;}; struct comment * Comment (size_t len) {struct fs_output_stream * ret = (struct fs_output_stream *) fs_malloc (sizeof (* ret); fs_zero (ret, sizeof (* ret); ret-> data = (BYTE *) fs_malloc (len); ret-> pos = 0; ret-> buff_len = len; return ret;} voidfs_stream_free_output (struct fs_output_stream * stream) {fs_free (stream-> data ); fs_free (stream);} voidfs_stream_write_byte (struct fs_output_stream * stream, BYTE v) {fs_stream_write_data (stream, (BYTE *) & v, sizeof (BYTE ));} struct (struct fs_output_stream * stream, uint32_t v) {struct (stream, (BYTE *) & v, sizeof (uint32_t);} struct (struct fs_output_stream * stream, uint16_t v) {fs_stream_write_data (stream, (BYTE *) & v, sizeof (uint16_t);} evaluate (struct fs_output_stream * stream, int32_t v) {fs_stream_write_data (stream, (BYTE *) & v, sizeof (int32_t);} evaluate (struct fs_output_stream * stream, int16_t v) {fs_stream_write_data (stream, (BYTE *) & v, sizeof (int16_t ));} struct (struct fs_output_stream * stream, float v) {fs_stream_write_data (stream, (BYTE *) & v, sizeof (float);} voidfs_stream_write_double (struct fs_output_stream * stream, double) {fs_stream_write_data (stream, (BYTE *) & v, sizeof (double);} voidfs_stream_write_data (struct fs_output_stream * stream, BYTE * data, size_t len) {while (stream-> pos + len> stream-> buff_len) {void * data = fs_realloc (stream-> data, stream-> buff_len <1 ); stream-> data = data; stream-> buff_len = stream-> buff_len <1;} memcpy (stream-> data + stream-> pos, data, len ); stream-> pos + = len;} const BYTE * fs_stream_get_dataptr (struct fs_output_stream * stream) {return stream-> data;} size_t fs_stream_get_len (struct fs_output_stream * stream) {return stream-> pos;} size_tfs_stream_output_sub (struct fs_output_stream * stream, size_t start, size_t len) {memcpy (stream-> data, stream-> data + start, len ); stream-> pos = len; return len;} struct fs_input_stream * fs_create_input_stream (const BYTE * data, size_t len) {struct fs_input_stream * ret = (struct fs_input_stream *) fs_malloc (sizeof (* ret); fs_zero (ret, sizeof (* ret); fs_input_stream_set_data (ret, data, len); return ret ;} struct fs_input_stream * substring (const BYTE * data, size_t len) {struct fs_input_stream * ret = (struct fs_input_stream *) fs_malloc (sizeof (* ret); fs_zero (ret, sizeof (* ret); fs_input_stream_set_data_copy (ret, data, len); return ret;} voidfs_input_stream_set_data (struct fs_input_stream * stream, const BYTE * data, size_t len) {if (stream-> data) {if (stream-> copy) {fs_free (stream-> data) ;}} stream-> data = (BYTE *) data; stream-> pos = 0; stream-> len = len; stream-> copy = fs_false;} voidfs_input_stream_set_data_copy (struct fs_input_stream * stream, const BYTE * data, size_t len) {if (stream-> data) {if (stream-> copy) {fs_free (stream-> data) ;}} stream-> data = (BYTE *) fs_malloc (len); stream-> pos = 0; stream-> len = len; stream-> copy = fs_true; memcpy (stream-> data, data, len );} struct (struct fs_input_stream * stream) {return stream-> len;} voidfs_input_stream_set_order (struct fs_input_stream * stream, BYTE order) {stream-> byte_order = order ;} voidfs_stream_free_input (struct fs_input_stream * stream) {if (stream-> copy) {fs_free (stream-> data);} fs_free (stream);} # define _ stream_read (TYPE) \ TYPE v = 0; \ memcpy (& v, stream-> data + stream-> pos, sizeof (v); \ stream-> pos + = sizeof (v ); \ return v; BYTE iterator (struct fs_input_stream * stream) {_ stream_read (BYTE);} uint32_t fs_stream_read_uint32 (struct fs_input_stream * stream) {_ stream_read (uint32_t );} uint16_t Merge (struct fs_input_stream * stream) {_ stream_read (uint16_t);} int32_t Merge (struct into * stream) {_ stream_read (int32_t);} int16_t Merge (struct into * stream) {_ stream_read (int16_t);} float iterator (struct fs_input_stream * stream) {_ stream_read (float);} double fs_stream_read_double (struct fs_input_stream * stream) {_ stream_read (double );} size_t fs_stream_read_string (struct fs_input_stream * stream, char ** out) {return 0;} struct (struct fs_output_stream * stream, fs_script_id _ id) {stream-> script_id = _ id ;} struct (struct fs_output_stream * stream) {return stream-> script_id;} voidfs_input_stream_set_script_id (struct fs_input_stream * stream, fs_script_id _ id) {stream-> script_id = _ id ;} fs_script_idfs_input_stream_get_script_id (struct fs_input_stream * stream) {return stream-> script_id ;}