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#include <err.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sqlite3.h>
#include "db.h"
static char * textdup(const unsigned char *);
sqlite3_stmt *
byid(char *table, int id)
{
char sql[100];
sqlite3_stmt *stmt;
snprintf(sql, 100, "SELECT oid, * FROM %s WHERE oid = ?", table);
if(sqlite3_prepare(db, sql, -1, &stmt, 0) != SQLITE_OK)
return NULL;
if(sqlite3_bind_int(stmt, 1, id) != SQLITE_OK)
return NULL;
return stmt;
}
struct att *
getatt(sqlite3_stmt *stmt)
{
struct att *att;
att = nextatt(stmt);
sqlite3_finalize(stmt);
return att;
}
struct post *
getpost(sqlite3_stmt *stmt)
{
struct post *post;
post = nextpost(stmt);
sqlite3_finalize(stmt);
return post;
}
struct user *
getuser(sqlite3_stmt *stmt)
{
struct user *user;
user = nextuser(stmt);
sqlite3_finalize(stmt);
return user;
}
struct att *
nextatt(sqlite3_stmt *stmt)
{
struct att *att;
if(!stmt)
return NULL;
if(sqlite3_step(stmt) != SQLITE_ROW)
return NULL;
if(!(att = malloc(sizeof(struct att))))
err(1, "malloc");
att->id = sqlite3_column_int(stmt, 0);
att->post = sqlite3_column_int(stmt, 1);
att->name = textdup(sqlite3_column_text(stmt, 2));
att->description = textdup(sqlite3_column_text(stmt, 3));
att->mime = textdup(sqlite3_column_text(stmt, 4));
att->bytes = sqlite3_column_bytes(stmt, 5);
if(!(att->data = malloc(att->bytes)))
err(1, "malloc");
memcpy(att->data, sqlite3_column_blob(stmt, 5),
att->bytes);
return att;
}
struct post *
nextpost(sqlite3_stmt *stmt)
{
struct post *post;
if(!stmt)
return NULL;
if(sqlite3_step(stmt) != SQLITE_ROW)
return NULL;
if(!(post = malloc(sizeof(struct post))))
err(1, "malloc");
post->id = sqlite3_column_int(stmt, 0);
post->parent = sqlite3_column_int(stmt, 1);
post->user = sqlite3_column_int(stmt, 2);
post->created = sqlite3_column_int(stmt, 3);
post->edited = sqlite3_column_int(stmt, 4);
post->subject = textdup(sqlite3_column_text(stmt, 5));
post->text = textdup(sqlite3_column_text(stmt, 6));
return post;
}
struct user *
nextuser(sqlite3_stmt *stmt)
{
struct user *user;
if(!stmt)
return NULL;
if(sqlite3_step(stmt) != SQLITE_ROW)
return NULL;
if(!(user = malloc(sizeof(struct user))))
err(1, "malloc");
user->id = sqlite3_column_int(stmt, 0);
user->name = textdup(sqlite3_column_text(stmt, 1));
user->full = textdup(sqlite3_column_text(stmt, 2));
user->hash = textdup(sqlite3_column_text(stmt, 3));
return user;
}
char *
textdup(const unsigned char *s)
{
return s? strdup((char *)s): NULL;
}
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