diff options
Diffstat (limited to 'ecos/packages/net/tcpip/current/src/lib/read.c')
-rw-r--r-- | ecos/packages/net/tcpip/current/src/lib/read.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/ecos/packages/net/tcpip/current/src/lib/read.c b/ecos/packages/net/tcpip/current/src/lib/read.c new file mode 100644 index 0000000..a9d59ab --- /dev/null +++ b/ecos/packages/net/tcpip/current/src/lib/read.c @@ -0,0 +1,52 @@ +//========================================================================== +// +// lib/read.c +// +// read() system call +// +//========================================================================== +// ####BSDALTCOPYRIGHTBEGIN#### +// ------------------------------------------- +// Portions of this software may have been derived from OpenBSD +// or other sources, and if so are covered by the appropriate copyright +// and license included herein. +// ------------------------------------------- +// ####BSDALTCOPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): gthomas +// Contributors: gthomas +// Date: 2000-01-10 +// Purpose: +// Description: +// +// +//####DESCRIPTIONEND#### +// +//========================================================================== + + +#include <sys/param.h> +#include <cyg/io/file.h> +#include <sys/socket.h> +#include <sys/socketvar.h> + +#include <sys/syscallargs.h> + +int +read(int fd, void *buf, size_t len) +{ + struct sys_read_args args; + int res, error; + SYSCALLARG(args,fd) = fd; + SYSCALLARG(args,buf) = buf; + SYSCALLARG(args,nbyte) = len; + error = sys_read(&args, &res); + if (error) { + errno = error; + return -1; + } else { + return res; + } +} |