apisqlite.c

来自「这是Getting Started With Sqlite 的相关示例代码和帮助」· C语言 代码 · 共 42 行

/*
gcc -o apiSQLite apiSQLite.c -lsqlite

./apiSQLite test.db "select * from foo"

*/
#include <stdio.h>
#include <stdlib.h>
#include <sqlite.h>

static int callback(void *NotUsed, int argc, char **argv, char **azColName){
  int i;
  NotUsed=0;
  for(i=0; i<argc; i++){
    printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
  }
  printf("\n");
  return 0;
}

int main(int argc, char **argv){
  sqlite *db;
  char *zErrMsg = 0;
  int rc;

  if( argc!=3 ){
    fprintf(stderr, "Usage: %s DATABASE SQL-STATEMENT\n", argv[0]);
    exit(1);
  }
  db = sqlite_open(argv[1], 0, &zErrMsg);
  if( db==0 ){
    fprintf(stderr, "Can't open database: %s\n", zErrMsg);
    exit(1);
  }
  rc = sqlite_exec(db, argv[2], callback, 0, &zErrMsg);
  if( rc!=SQLITE_OK ){
    fprintf(stderr, "SQL error: %s\n", zErrMsg);
  }
  sqlite_close(db);
  return 0;
}