fixes all db entry issues, db addition now works!

Makefile

@@ -1,7 +1,7 @@
 CC=gcc
 CFLAGS= -c -g -Wall
 
-LDLIBS = -lcurl -lcjson -lsqlite3
+LDLIBS = -lcurl -lcjson -lsqlite3 -lm
 
 TARGET := isbn-lookup
 

src/db.c

@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdbool.h>
 #include <sqlite3.h>
 #include <string.h>
 #include <math.h>
@@ -54,59 +55,91 @@ void setup_db(sqlite3* db)
 	sqlite3_close(db);
 }
 
-static void add_str_entry(char** dst, char** src)
+static void add_str_entry(char** dst, char** src, bool last)
 {
 	size_t len;
-	len = strlen(*src) + strlen(*dst) + 1;
+	len = strlen(*src) + strlen(*dst) + 2 + 1 + (last ? 0 : 2);
 
-	*dst = malloc(sizeof(char) * len);
+	*dst = realloc(*dst, sizeof(char) * len);
 
+	*dst = strcat(*dst, "\"");
 	*dst = strcat(*dst, *src);
+	*dst = strcat(*dst, "\"");
+	if (!last)
+		*dst = strcat(*dst, ", ");
 }
 
-static void add_int_entry(char** dst, int src)
+static void add_int_entry(char** dst, int src, bool last)
 {
 	size_t len_int, len;
+	char* num;
 
 	if (src == 0)
 		len_int = 1;
 	else 
 		len_int = floor(log10(abs(src))) + 1;
 
-	len = strlen(*dst) + len_int + 1;
-	*dst = malloc(sizeof(char) * len);
-	snprintf(*dst, len, "%s%d", *dst, src);
+	num = malloc(sizeof(char) * (len_int + 1));
+	snprintf(num, len_int + 1, "%d", src);
+
+	len = strlen(*dst) + len_int + 1 + (last ? 0 : 2);
+	*dst = realloc(*dst, sizeof(char) * len);
+	*dst = strcat(*dst, num);
+
+	if (!last)
+		strcat(*dst, ", ");
+
+	free(num);
 }
 
 static void string_cat_vals(char** dst, book_t* book, int id)
 {
-	add_int_entry(dst, id);
-	add_str_entry(dst, &(book->title));
-	add_str_entry(dst, &(book->subtitle));
-	add_str_entry(dst, &(book->isbn));
-	add_str_entry(dst, &(book->authors));
-	add_str_entry(dst, &(book->subjects));
-	add_str_entry(dst, &(book->langs));
-	add_str_entry(dst, &(book->date_added));
-	add_str_entry(dst, &(book->pub_date));
-	add_str_entry(dst, &(book->image_code));
-	add_int_entry(dst, book->page_len);
-}
+	add_int_entry(dst, id, false);
+	add_str_entry(dst, &(book->title), false);
+	add_str_entry(dst, &(book->subtitle), false);
+	add_str_entry(dst, &(book->isbn), false);
+	add_str_entry(dst, &(book->authors), false);
+	add_str_entry(dst, &(book->subjects), false);
+	add_str_entry(dst, &(book->langs), false);
+	add_str_entry(dst, &(book->date_added), false);
+	add_str_entry(dst, &(book->pub_date), false);
+	add_str_entry(dst, &(book->image_code), false);
+	add_int_entry(dst, book->page_len, true);
 
+	*dst = realloc(*dst, sizeof(char) * (strlen(*dst) + 3));
+	strcat(*dst, ");");
+}
 
 #define INSERT_STR "INSERT INTO books (id, title, subtitle, isbn, authors, subjects, langs, date_added, pub_date, image_code, page_len) VALUES("
 
 void add_to_db(book_t* book, sqlite3* db)
 {
-	int id;
+	int id, err;
 	char* cmd;
+	char* err_msg = 0;
 
 	open_db(&db);
 
-	id = get_num_rows(db) + 1;
+	id = get_num_rows(db) + 4;
 	
 	cmd = malloc(sizeof(char) * (strlen(INSERT_STR) + 1));
-	snprintf(cmd, strlen(INSERT_STR), "%s", INSERT_STR);
-	
+	snprintf(cmd, strlen(INSERT_STR) + 1, "%s", INSERT_STR);
+
 	string_cat_vals(&cmd, book, id);
+
+	printf("%s\n", cmd);
+
+	err = sqlite3_exec(db, cmd, 0, 0, &err_msg);
+	if (err != SQLITE_OK) {
+		fprintf(stderr, "sqlite3_exec: %s\n", err_msg);
+		sqlite3_free(err_msg);
+		sqlite3_close(db);
+		exit(EXIT_FAILURE);
+	}
+
+	sqlite3_close(db);
+
+	free(cmd);
 }
+
+#undef INSERT_STR

src/main.c

@@ -4,6 +4,7 @@
 #include <stdbool.h>
 
 #include "include/curl.h"
+#include "include/db.h"
 #include "include/json.h"
 
 struct flags {
@@ -69,6 +70,7 @@ int main(int argc, char* argv[])
 	init_flags(&flags);
 	argp_parse(&argp, argc, argv, 0, 0, &flags);
 
+	/*
 	//book_api_call("9780762437818", &resp);
 	book_api_call(flags.isbn, &resp);
 
@@ -81,8 +83,28 @@ int main(int argc, char* argv[])
 	if (flags.json)
 		json_out(&query);
 	else
-	 	// db out;
+	 	;	// db out;
+	*/
 
+	book_t book;
+
+	book.title = "hi";
+	book.subtitle = "test";
+	book.isbn = "1234";
+	book.authors = "test";
+	book.subjects = "test";
+	book.langs = "eng";
+	book.date_added = "test";
+	book.pub_date = "test";
+	book.image_code = "test";
+
+	book.page_len = 1;
+
+	sqlite3* db;
+
+	setup_db(db);
+
+	add_to_db(&book, db);
 
 	
 	return 0;