Load an RDF file into a SQLite database without journaling.

loader.c

#include <stdio.h>
#include <string.h>
#include <stdarg.h>

#include <librdf.h>
#include <raptor2.h>

/* function prototypes */
int main(int argc, char *argv[]);

int main(int argc, char *argv[]) {
    librdf_uri* uri;
    librdf_world* world;
    librdf_storage* storage;
    librdf_parser* parser;
    librdf_stream *stream;
    librdf_model* model;
    char *extfind;
    char *parser_name  = NULL;
    char *storage_name = NULL;

    if (argc != 3) {
        fprintf(stderr, "usage: %s <rdf content URI> <name>\n", argv[0]);
        return(1);
    }

    // open world
    world = librdf_new_world();
    librdf_world_open(world);

    // assign uri for content
    uri = librdf_new_uri(world, (const unsigned char*) argv[1]);

    // assign storage name
    storage_name = argv[2];
    if (!storage_name) {
        fprintf(stderr, "storage name was not set\n");
        return 1;
    }

    extfind = strstr(argv[1], ".ttl");
    if (extfind != NULL) {
        parser_name = "turtle";
    } else {
        extfind = strstr(argv[1], ".nt");
        if (extfind != NULL) {
            parser_name = "ntriples";
        }
    }
    if (!parser_name) {
        fprintf(stderr, "uri was not turtle or ntriples\n");
        return 1;
    }
    
    fprintf(stdout, "%s\n", extfind);

    // create storage
    storage = librdf_new_storage(world, "sqlite", storage_name, "new='yes',synchronous='off'");
    if (!storage) {
        fprintf(stderr, "could not create sqlite storage");
        return(1);
    }

    // create model
    model = librdf_new_model(world, storage, NULL);

    // create parser
    parser = librdf_new_parser(world, parser_name, NULL, NULL);
    stream = librdf_parser_parse_as_stream(parser, uri, NULL);
    librdf_model_add_statements(model, stream);
    //librdf_parser_parse_into_model(parser, uri, NULL, model);

    // free up
    librdf_free_parser(parser);
    librdf_free_model(model);
    librdf_free_uri(uri);
    librdf_free_world(world);

    return 0;
}

see patched version at https://gist.github.com/mro/8800fab9ef4f38a4ec4e