Hi, libuv team,
In my code, I want to init one buffer with std::string variable's value.
However I found I cannot call uv_buf_init with std::string directly on
Windows-7, if I do that, my program will quit libuv loop without any
warning.
As a comparison, I can do that on Linux.
My libuv version is v0.10.21.
Here is my code-snippet:
------------------------------------------------------------code-snippet---------------------------------------------------------
// callback for connect
void on_connect ( uv_connect_t * req, int status )
{
FUNCTION_CALL
if ( status )
{
fprintf ( stdout, "remote connection failed, need to enable remote
service\n" );
if ( uv_last_error ( req->handle->loop ).code != UV_ECANCELED )
{
SHOW_UV_ERROR ( req->handle->loop );
free ( req->data );
free ( req );
}
return;
}
session_t * session = ( session_t * ) req->data;
//fprintf ( stdout, "cmd_line[%d]:\n%s\n", session->cmd_line_.length(
), ( char * ) session->cmd_line_.c_str( ) );
/**
* uv_buf_t buf[1];
* buf[0].len = len;
* buf[0].base = message;
*/
/* buf init */
#if 0
// Here it works on both Windows-7 and Linux
char buf_tmp[4096] = { 0 };
uv_buf_t buf = uv_buf_init ( buf_tmp, session->cmd_line_.length( ) );
buf.base = ( char * ) session->cmd_line_.c_str( );
#else
// TODO
// It works on Linux, but dosen't work on Windows-7
// On Windows-7, here it will lead program quit without any warning or
error.
// It even will not call on_write_end() function after uv_write()
called normally.
uv_buf_t buf = uv_buf_init ( ( char * ) session->cmd_line_.c_str( ),
session->cmd_line_.length( ) );
#endif
uv_stream_t * tcp = req->handle;
uv_write_t write_req;
int buf_count = 1;
int rc = uv_write ( & write_req, tcp, & buf, buf_count, on_write_end );
if ( rc )
{
SHOW_UV_ERROR ( req->handle->loop );
fprintf ( stderr, "uv_write() called failed\n" );
}
else
{
fprintf ( stderr, "uv_write() called normally.\n" );
}
}
--
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