tagmsg.c

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#include "stralloc.h"
#include "scan.h"
#include "fmt.h"
#include "cookie.h"
#include "readclose.h"
#include "errtxt.h"
#include "subscribe.h"
#include "makehash.h"
#include "idx.h"
#include "logmsg.h"
 
#define WHO "tagmsg"  // FIXME

 
static stralloc key = {0};
static char hash[COOKIE];
static char strnum[FMT_ULONG];  /* message number as sz */

 
void tagmsg(const char *dir,unsigned long msgnum,const char *seed,const char *action,
            char *ho,unsigned long bs,unsigned long chunk)
{
  unsigned int i;
 
  strnum[fmt_ulong(strnum,msgnum)] = '\0';              /* message nr ->string*/
 
  switch (openreadclose("key",&key,32)) {
    case -1: logmsg(WHO,111,FATAL,B(ERR_READ,key.s));
    case  0: logmsg(WHO,100,FATAL,B(key.s,ERR_NOEXIST));
  }
 
  cookie(hash,key.s,key.len,strnum,seed,action);
  for (i = 0; i < COOKIE; i++)
    ho[i] = hash[i];
}