Mercurial > ecos
view packages/net/tcpip/current/src/lib/ioctl.c @ 3292:7f8e529b4d82 default tip
Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
| author | vae |
|---|---|
| date | Wed, 29 Apr 2015 23:31:48 +0000 |
| parents | 74dbf4c3f2e1 |
| children |
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//========================================================================== // // lib/ioctl.c // // ioctl() 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 ioctl(int fd, u_long cmd, void *data) { struct sys_ioctl_args args; int res, error; SYSCALLARG(args,fd) = fd; SYSCALLARG(args,com) = cmd; SYSCALLARG(args,data) = data; error = sys_ioctl(&args, &res); if (error) { errno = error; return -1; } else { return 0; } }
