ref: 75c92428225428c8fde2d015f010e608a0b12f1d
dir: /liblogfs/fidmap.c/
#include "logfsos.h" #include "logfs.h" #include "local.h" enum { FIDMOD = 127 }; int logfshashulong(void *v, int size) { return (ulong)v % size; } /* * TO DO: assumes map.c always passes sought key value as b, and value in map as a */ static int compare(void *a, void *b) { Fid *f = a; ulong fid = (ulong)b; /* sic */ //print("fidcompare(%ld, %ld)\n", f->fid, fid); return f->fid == fid; } static int allocsize(void *key) { USED(key); return sizeof(Fid); } static void fidfree(void *a) { Fid *f = a; logfsdrsfree(&f->drs); } char * logfsfidmapnew(FidMap **fidmapp) { return logfsmapnew(FIDMOD, logfshashulong, compare, allocsize, fidfree, fidmapp); } int logfsfidmapclunk(FidMap *m, ulong fid) { Fid *f = logfsfidmapfindentry(m, fid); if(f != nil){ logfsentryclunk(f->entry); logfsmapdeleteentry(m, (void *)fid); return 1; } return 0; } char * logfsfidmapnewentry(FidMap *m, ulong fid, Fid **fidmapp) { char *errmsg; errmsg = logfsmapnewentry(m, (void*)fid, fidmapp); if(errmsg) return errmsg; if(*fidmapp == nil) return nil; (*fidmapp)->fid = fid; (*fidmapp)->openmode = -1; return nil; }