simplesqlite3.c

#include <stdio.h>
#include <stdlib.h>
#include <sqlite3.h>

static int callback(void *NotUsed, int argc, char **argv, char **azColName) {
  NotUsed = 0;
  int i;
  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) {
  sqlite3 *db;
  char *zErrMsg = 0;
  int rc;

  if (argc != 2) {
    fprintf(stderr, "Usage: %s DATABASE\n", argv[0]);
    exit(1);
  }
  rc = sqlite3_open(argv[1], &db);
  if (rc) {
    fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
    sqlite3_close(db);
    exit(1);
  }
  rc = sqlite3_exec(db, "SELECT sqlite_version()", callback, 0, &zErrMsg);
  if (rc != SQLITE_OK) {
    fprintf(stderr, "SQL error: %s\n", zErrMsg);
    /* This will free zErrMsg if assigned */
    if (zErrMsg)
      free(zErrMsg);
  }
  sqlite3_close(db);
  return 0;
}