tmsgdb.c - plan9port - [fork] Plan 9 from user space
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       ---
       tmsgdb.c (902B)
       ---
            1 #include <u.h>
            2 #include <libc.h>
            3 #include <bio.h>
            4 #include "msgdb.h"
            5 
            6 void
            7 usage(void)
            8 {
            9         fprint(2, "usage: msgdb [-c] file\n");
           10         exits("usage");
           11 }
           12 
           13 void
           14 main(int argc, char **argv)
           15 {
           16         int create = 0;
           17         Msgdb *db;
           18         char *tok, *p;
           19         long val;
           20         int input;
           21         Biobuf b;
           22 
           23         input = 0;
           24         ARGBEGIN{
           25         case 'c':
           26                 create = 1;
           27                 break;
           28         case 'i':
           29                 input = 1;
           30                 break;
           31         default:
           32                 usage();
           33         }ARGEND
           34 
           35         if(argc != 1)
           36                 usage();
           37 
           38         if((db = mdopen(argv[0], create)) == nil)
           39                 sysfatal("open db: %r");
           40 
           41         if(input){
           42                 Binit(&b, 0, OREAD);
           43                 while((tok = Brdline(&b, '\n')) != nil){
           44                         tok[Blinelen(&b)-1] = '\0';
           45                         p = strrchr(tok, ' ');
           46                         if(p == nil)
           47                                 val = mdget(db, tok)+1;
           48                         else{
           49                                 *p++ = 0;
           50                                 val = atoi(p);
           51                         }
           52                         mdput(db, tok, val);
           53                 }
           54         }else{
           55                 mdenum(db);
           56                 Binit(&b, 1, OWRITE);
           57                 while(mdnext(db, &tok, &val) >= 0)
           58                         Bprint(&b, "%s %ld\n", tok, val);
           59                 Bterm(&b);
           60         }
           61         mdclose(db);
           62         exits(nil);
           63 }