tauxclog.c - plan9port - [fork] Plan 9 from user space
  HTML git clone git://src.adamsgaard.dk/plan9port
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
       tauxclog.c (1112B)
       ---
            1 #include <u.h>
            2 #include <libc.h>
            3 #include <bio.h>
            4 
            5 #define openlog auxclog_openlog        /* libc symbol on OS X */
            6 
            7 char *argv0;
            8 
            9 int
           10 openlog(char *name)
           11 {
           12         int fd;
           13 
           14         fd = open(name, OWRITE);
           15         if(fd < 0)
           16                 fd = create(name, OWRITE, DMAPPEND|0666);
           17         if(fd < 0){
           18                 fprint(2, "%s: can't open %s: %r\n", argv0, name);
           19                 return -1;
           20         }
           21         seek(fd, 0, 2);
           22         return fd;
           23 }
           24 
           25 void
           26 main(int argc, char **argv)
           27 {
           28         Biobuf in;
           29         int fd;
           30         char *p, *t;
           31         char buf[8192];
           32 
           33         argv0 = argv[0];
           34         if(argc !=  3){
           35                 fprint(2, "usage: %s console logfile \n", argv0);
           36                 exits("usage");
           37         }
           38 
           39         if(strcmp(argv[1], "-") == 0)
           40                 fd = 0;
           41         else
           42                 fd = open(argv[1], OREAD);
           43         if(fd < 0){
           44                 fprint(2, "%s: can't open %s: %r\n", argv0, argv[1]);
           45                 exits("open");
           46         }
           47         Binit(&in, fd, OREAD);
           48 
           49         fd = openlog(argv[2]);
           50 
           51         for(;;){
           52                 if(p = Brdline(&in, '\n')){
           53                         p[Blinelen(&in)-1] = 0;
           54                         t = ctime(time(0));
           55                         t[19] = 0;
           56                         if(fprint(fd, "%s: %s\n", t, p) < 0){
           57                                 close(fd);
           58                                 fd = openlog(argv[2]);
           59                                 fprint(fd, "%s: %s\n", t, p);
           60                         }
           61                 } else if(Blinelen(&in) == 0)        /* true eof */
           62                         break;
           63                 else {
           64                         Bread(&in, buf, sizeof buf);
           65                 }
           66         }
           67         exits(0);
           68 }