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#include <err.h>
#include <stdlib.h>
#include <string.h>
#include <sqlite3.h>
#include "db.h"
sqlite3_stmt *
byid(int id, char *sql)
{
sqlite3_stmt *stmt;
if(sqlite3_prepare(db, sql, -1, &stmt, 0) != SQLITE_OK)
return NULL;
if(sqlite3_bind_int(stmt, 1, id) != SQLITE_OK)
return NULL;
if(sqlite3_step(stmt) != SQLITE_ROW)
return NULL;
return stmt;
}
char *
textdup(const unsigned char *s)
{
return s? strdup((char *)s): NULL;
}
struct post *
getpost(int id)
{
sqlite3_stmt *stmt;
struct post *post;
if(!(stmt = byid(id, "SELECT parent, user, created, edited, subject, text FROM posts WHERE oid = ?"))){
sqlite3_finalize(stmt);
return NULL;
}
if(!(post = malloc(sizeof(struct post))))
err(1, "malloc");
post->parent = sqlite3_column_int(stmt, 0);
post->user = sqlite3_column_int(stmt, 1);
post->created = sqlite3_column_int(stmt, 2);
post->edited = sqlite3_column_int(stmt, 3);
post->subject = textdup(sqlite3_column_text(stmt, 4));
post->text = textdup(sqlite3_column_text(stmt, 5));
sqlite3_finalize(stmt);
return post;
}
struct user *
getuser(int id)
{
sqlite3_stmt *stmt;
struct user *user;
if(!(stmt = byid(id, "SELECT name, full, hash FROM users WHERE oid = ?"))){
sqlite3_finalize(stmt);
return NULL;
}
if(!(user = malloc(sizeof(struct user))))
err(1, "malloc");
user->id = id;
user->name = textdup(sqlite3_column_text(stmt, 0));
user->full = textdup(sqlite3_column_text(stmt, 1));
user->hash = textdup(sqlite3_column_text(stmt, 2));
sqlite3_finalize(stmt);
return user;
}
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