/*
* Proof - of - concept test program . Create , update or read a database . Type
* ' ? ' for a list of commands .
*/
/* System library. */
#include <sys_defs.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#ifdef STRCASECMP_IN_STRINGS_H
#include <strings.h>
#endif
/* Utility library. */
#include <msg.h>
#include <stringops.h>
#include <vstring.h>
#include <vstream.h>
#include <msg_vstream.h>
#include <vstring_vstream.h>
#include <dict.h>
#include <dict_lmdb.h>
#include <dict_db.h>
static NORETURN usage(char *myname)
{
msg_fatal("usage: %s type:file read|write|create [flags...]" , myname);
}
void dict_test(int argc, char **argv)
{
VSTRING *keybuf = vstring_alloc(1 );
VSTRING *inbuf = vstring_alloc(1 );
DICT *dict;
char *dict_name;
int open_flags;
char *bufp;
char *cmd;
const char *key;
const char *value;
int ch;
int dict_flags = 0 ;
int n;
int rc;
#define USAGE "verbose|del key|get key|put key=value|first|next|masks|flags"
signal(SIGPIPE, SIG_IGN);
msg_vstream_init(argv[0 ], VSTREAM_ERR);
while ((ch = GETOPT(argc, argv, "v" )) > 0 ) {
switch (ch) {
default :
usage(argv[0 ]);
case 'v' :
msg_verbose++;
break ;
}
}
optind = OPTIND;
if (argc - optind < 2 )
usage(argv[0 ]);
if (strcasecmp(argv[optind + 1 ], "create" ) == 0 )
open_flags = O_CREAT | O_RDWR | O_TRUNC;
else if (strcasecmp(argv[optind + 1 ], "write" ) == 0 )
open_flags = O_RDWR;
else if (strcasecmp(argv[optind + 1 ], "read" ) == 0 )
open_flags = O_RDONLY;
else
msg_fatal("unknown access mode: %s" , argv[2 ]);
for (n = 2 ; argv[optind + n]; n++)
dict_flags |= dict_flags_mask(argv[optind + 2 ]);
if ((dict_flags & DICT_FLAG_OPEN_LOCK) == 0 )
dict_flags |= DICT_FLAG_LOCK;
if ((dict_flags & (DICT_FLAG_DUP_WARN | DICT_FLAG_DUP_IGNORE)) == 0 )
dict_flags |= DICT_FLAG_DUP_REPLACE;
dict_flags |= DICT_FLAG_UTF8_REQUEST;
vstream_fflush(VSTREAM_OUT);
dict_name = argv[optind];
dict_allow_surrogate = 1 ;
util_utf8_enable = 1 ;
dict = dict_open(dict_name, open_flags, dict_flags);
vstream_printf("owner=%s (uid=%ld)\n" ,
dict->owner.status == DICT_OWNER_TRUSTED ? "trusted" :
dict->owner.status == DICT_OWNER_UNTRUSTED ? "untrusted" :
dict->owner.status == DICT_OWNER_UNKNOWN ? "unspecified" :
"error" , (long ) dict->owner.uid);
vstream_fflush(VSTREAM_OUT);
while (vstring_fgets_nonl(inbuf, VSTREAM_IN)) {
bufp = vstring_str(inbuf);
if (!isatty(0 )) {
vstream_printf("> %s\n" , bufp);
vstream_fflush(VSTREAM_OUT);
}
if (*bufp == '#' )
continue ;
if ((cmd = mystrtok(&bufp, " " )) == 0 ) {
vstream_printf("usage: %s\n" , USAGE);
vstream_fflush(VSTREAM_OUT);
continue ;
}
if (dict_changed_name())
msg_warn("dictionary has changed" );
key = *bufp ? vstring_str(unescape(keybuf, mystrtok(&bufp, " =" ))) : 0 ;
value = mystrtok(&bufp, " =" );
if (strcmp(cmd, "verbose" ) == 0 && !key) {
msg_verbose++;
} else if (strcmp(cmd, "del" ) == 0 && key && !value) {
if ((rc = dict_del(dict, key)) > 0 )
vstream_printf("%s: not found\n" , key);
else if (rc < 0 )
vstream_printf("%s: error\n" , key);
else
vstream_printf("%s: deleted\n" , key);
} else if (strcmp(cmd, "get" ) == 0 && key && !value) {
if ((value = dict_get(dict, key)) == 0 ) {
vstream_printf("%s: %s\n" , key, dict->error ?
"error" : "not found" );
} else {
vstream_printf("%s=%s\n" , key, value);
}
} else if (strcmp(cmd, "put" ) == 0 && key && value) {
if (dict_put(dict, key, value) != 0 )
vstream_printf("%s: %s\n" , key, dict->error ?
"error" : "not updated" );
} else if (strcmp(cmd, "first" ) == 0 && !key && !value) {
if (dict_seq(dict, DICT_SEQ_FUN_FIRST, &key, &value) == 0 )
vstream_printf("%s=%s\n" , key, value);
else
vstream_printf("%s\n" , dict->error ?
"error" : "not found" );
} else if (strcmp(cmd, "next" ) == 0 && !key && !value) {
if (dict_seq(dict, DICT_SEQ_FUN_NEXT, &key, &value) == 0 )
vstream_printf("%s=%s\n" , key, value);
else
vstream_printf("%s\n" , dict->error ?
"error" : "not found" );
} else if (strcmp(cmd, "flags" ) == 0 && !key && !value) {
vstream_printf("dict flags %s\n" ,
dict_flags_str(dict->flags));
} else if (strcmp(cmd, "masks" ) == 0 && !key && !value) {
vstream_printf("DICT_FLAG_PARANOID %s\n" ,
dict_flags_str(DICT_FLAG_PARANOID));
} else {
vstream_printf("usage: %s\n" , USAGE);
}
vstream_fflush(VSTREAM_OUT);
}
vstring_free(keybuf);
vstring_free(inbuf);
dict_close(dict);
}
Messung V0.5 in Prozent C=99 H=92 G=95
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-08-09)
¤
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