add functions to find scripts and run a query

[zpackage] / lib / dbquery.c

diff --git a/lib/dbquery.c b/lib/dbquery.c
new file mode 100644 (file)
index 0000000..c2f50b6
--- /dev/null
+++ b/lib/dbquery.c
@@ -0,0 +1,37 @@
+#include <stdarg.h>
+#include <string.h>
+
+#include "sqlite3.h"
+#include "zpm.h"
+
+sqlite3_stmt *zpm_dbquery(struct zpm *zpm, char *query, ...) {
+       sqlite3 *db;
+       char *sql;
+       va_list args;
+       sqlite3_stmt *st;
+       int rv;
+
+       if (!zpm || zpm->error || !zpm->db) {
+               zpm->error = 1;
+               return 0;
+       }
+
+       db = zpm->db;
+
+       va_start(args, query);
+       sql = sqlite3_vmprintf(query, args);
+       va_end(args);
+
+       if (!sql) {
+               zpm->error = 1;
+               return 0;
+       }
+
+       rv = sqlite3_prepare_v2(db, sql, strlen(sql), &st, NULL);
+       if (rv != SQLITE_OK) {
+               zpm->error = rv;
+               return 0;
+       }
+
+       return st;
+}