From: teodor <teodor>
Date: Wed, 9 Feb 2005 10:49:59 +0000 (+0000)
Subject: Usage() extends
X-Git-Url: http://www.sigaev.ru/git/gitweb.cgi?p=tedtools.git;a=commitdiff_plain;h=935bef34ad811941165051ce9cb9f1a61027baa9

Usage() extends
---

diff --git a/tbtreetest.c b/tbtreetest.c
index a3779ca..cb5456e 100644
--- a/tbtreetest.c
+++ b/tbtreetest.c
@@ -42,6 +42,22 @@ usage() {
 	puts(
 	"Usage:\n"
 	"tbtreetest [ -c CACHESIZE ] [-r] [-k] [-f FILE] [-D | -L | -b | -i KEY -v VALUE [ -S strategynumber ] | -d KEY | -s KEY ] [-V] [-q]\n"
+	"\t-c CACHESIZE    - cache size in pages (default 0)\n"
+	"\t-r              - readonly mode\n"
+	"\t-k              - fixed size key (integer)\n"
+	"\t-f FILE         - db-file (default ./BTREE)");
+	puts(
+	"\t-D              - dump data base\n"
+        "\t-L              - list all pairs (in bulk format)\n"
+	"\t-b              - bulk operations from stdin in format (insert/delete/search):\n"
+	"\t                   I KEY VALUE\n"
+	"\t                   D KEY\n"
+	"\t                   S KEY\n"
+	"\t-i KEY -v VALUE - insert KEY/VALUE\n"
+	"\t-d KEY          - delete key\n"
+	"\t-s KEY          - search key\n"
+	"\t-V              - print page read/writes at the end\n"
+	"\t-q              - do not print results of searches\n"
 	);
 	exit(1);
 }
@@ -49,6 +65,7 @@ usage() {
 extern char *optarg;
 extern int opterr;
 
+#define MODE_NO	0
 #define MODE_SEARCH	1
 #define MODE_INSERT	2
 #define MODE_DELETE	3
@@ -104,7 +121,7 @@ main(int argn, char *argv[]) {
 	int rc=0;
 	char *file="BTREE";
 	char *key=NULL, *val=NULL;
-	int mode=0, verbose=0, quietout=0;
+	int mode=MODE_NO, verbose=0, quietout=0;
 
 	opentlog(TL_OPEN_STDERR,TL_DEBUG, NULL);
 
@@ -167,8 +184,11 @@ main(int argn, char *argv[]) {
 		}
 	}
 	
-	db.cmpkey = (db.keylen) ? cmpINT : cmpSTR;
+	if ( mode==MODE_NO )
+		usage();
 			
+	db.cmpkey = (db.keylen) ? cmpINT : cmpSTR;
+	
 	if ( (rc=TBTOpen(&db, file))!= TBT_OK )
 		exit(1);