initHEADmain

1 files changed, 36 insertions, 0 deletions

diff --git a/cdbget.c b/cdbget.c
new file mode 100644
index 0000000..b695930
--- /dev/null
+++ b/cdbget.c
@@ -0,0 +1,36 @@
+#include <string.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/cdb.h>
+#include <skalibs/strerr.h>
+#include <skalibs/uint32.h>
+
+int
+main(int argc, char *argv[])
+{
+	PROG = "cdbget";
+	if (argc < 2 || argc > 3)
+		strerr_dieusage(100, "cdbget KEY [SKIP]");
+
+	char *key = argv[1];
+	uint32_t keylen = strlen(key);
+	uint32_t skip = 0;
+	if (argc == 3) {
+		if (!uint320_scan(argv[2], &skip))
+			strerr_dief(111, "invalid integer \"", argv[2], "\"");
+	}
+
+	cdb c = CDB_ZERO;
+	cdb_init_fromfd(&c, 0);
+
+	cdb_find_state findstate;
+	cdb_findstart(&findstate);
+	cdb_data data;
+	for (skip++; skip > 0; skip--) {
+		if (cdb_findnext(&c, &data, key, keylen, &findstate) == 0)
+			return 1;
+	}
+	if (allwrite(1, data.s, data.len) != data.len)
+		strerr_diefusys(111, "write cdb data to stdout");
+	cdb_free(&c);
+	return 0;
+}