sed: Can't open /usr/web/plan9/sources.html /* * devtest */ #include "u.h" #include "../port/lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "../port/error.h" enum { Qdir = 0, Qtest, Qmax, }; typedef long Rdwrfn(Chan*, void*, long, vlong); static Rdwrfn *readfn[Qmax]; static Rdwrfn *writefn[Qmax]; static Dirtab testdir[Qmax] = { ".", { Qdir, 0, QTDIR }, 0, DMDIR | 0555, }; int ntestdir = Qtest; static Chan* testattach(char* spec) { return devattach('o', spec); } Walkqid* testwalk(Chan* c, Chan *nc, char** name, int nname) { return devwalk(c, nc, name, nname, testdir, ntestdir, devgen); } static int teststat(Chan* c, uchar* dp, int n) { return devstat(c, dp, n, testdir, ntestdir, devgen); } static Chan* testopen(Chan* c, int omode) { return devopen(c, omode, testdir, ntestdir, devgen); } static void testclose(Chan*) { } Dirtab* addtestfile(char *name, int perm, Rdwrfn *rdfn, Rdwrfn *wrfn) { int i; Dirtab d; Dirtab *dp; memset(&d, 0, sizeof d); strcpy(d.name, name); d.perm = perm; if(ntestdir >= Qmax) return nil; for(i=0; i<ntestdir; i++) if(strcmp(testdir[i].name, name) == 0) return nil; d.qid.path = ntestdir; testdir[ntestdir] = d; readfn[ntestdir] = rdfn; writefn[ntestdir] = wrfn; dp = &testdir[ntestdir++]; return dp; } static long testread(Chan *c, void *a, long n, vlong offset) { USED(c); USED(a); USED(n); USED(offset); switch((ulong)c->qid.path){ case Qdir: return devdirread(c, a, n, testdir, ntestdir, devgen); default: return 0; } } static long testwrite(Chan *c, void *a, long n, vlong offset) { ulong va; ulong fakephysaddr = 8192; char err[128]; USED(c); USED(a); USED(n); USED(offset); va = (ulong)vmap(fakephysaddr, 32 * 1024 * 1024); if (va != 0) vunmap((void *)va, 32 * 1024 * 1024); else error(Enomem); snprint(err, sizeof(err), "testwrite: va 0x%lux", va); error(err); return n; } static void testinit(void) { addtestfile("test", 0660, testread, testwrite); } Dev testdevtab = { 'o', "test", devreset, testinit, devshutdown, testattach, testwalk, teststat, testopen, devcreate, testclose, testread, devbread, testwrite, devbwrite, devremove, devwstat, }; sed: Can't open /usr/web/plan9/sources.html