getdev.c File Reference

#include <xinu.h>
#include <string.h>

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Functions
did32	getdev (char *devname)

Function Documentation

getdev()

did32 getdev

(

char *

devname

)

Definition at line 10 of file getdev.c.

References DEVNAMLEN, devtab, disable(), dentry::dvname, NDEVS, restore(), strncmp(), and SYSERR.

{
    intmask     mask;       /* Saved interrupt mask     */
    did32       id;     /* Value to return to caller    */

    mask = disable();
    for (id = 0; id < NDEVS; id++) {
        if (strncmp(devname, devtab[id].dvname, DEVNAMLEN)) {
            restore(mask);
            return id;
        }
    }
    restore(mask);
    return (did32) SYSERR;
}

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