//用來從morercpthosts文件中創建qmail數據庫

#include "strerr.h"#include "stralloc.h"#include "substdio.h"#include "getln.h"#include "exit.h"#include "readwrite.h"#include "open.h"#include "auto_qmail.h"#include "cdbmss.h"#define FATAL "qmail-newmrh: fatal: "void die_read(){  strerr_die2sys(111,FATAL,"unable to read control/morercpthosts: ");}void die_write(){  strerr_die2sys(111,FATAL,"unable to write to control/morercpthosts.tmp: ");}char inbuf[1024];substdio ssin;int fd;int fdtemp;struct cdbmss cdbmss;stralloc line = {0};int match;void main(){  umask(033);  if (chdir(auto_qmail) == -1)    strerr_die4sys(111,FATAL,"unable to chdir to ",auto_qmail,": ");  fd = open_read("control/morercpthosts");  if (fd == -1) die_read();  substdio_fdbuf(&ssin,read,fd,inbuf,sizeof inbuf);  fdtemp = open_trunc("control/morercpthosts.tmp");  if (fdtemp == -1) die_write();  if (cdbmss_start(&cdbmss,fdtemp) == -1) die_write();  for (;;) {    if (getln(&ssin,&line,&match,'\n') != 0) die_read();    case_lowerb(line.s,line.len);    while (line.len) {      if (line.s[line.len - 1] == ' ') { --line.len; continue; }      if (line.s[line.len - 1] == '\n') { --line.len; continue; }      if (line.s[line.len - 1] == '\t') { --line.len; continue; }      if (line.s[0] != '#')	if (cdbmss_add(&cdbmss,line.s,line.len,"",0) == -1)	  die_write();      break;    }    if (!match) break;  }  if (cdbmss_finish(&cdbmss) == -1) die_write();  if (fsync(fdtemp) == -1) die_write();  if (close(fdtemp) == -1) die_write(); /* NFS stupidity */  if (rename("control/morercpthosts.tmp","control/morercpthosts.cdb") == -1)    strerr_die2sys(111,FATAL,"unable to move control/morercpthosts.tmp to control/morercpthosts.cdb");  _exit(0);}