#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdlib.h>
#include <stdio.h>
#include <sys/sysinfo.h>
#include <sys/types.h>
#include <stdint.h>
#include <dirent.h>
#include <sys/stat.h> /* chmod(2)    */
#include <sys/file.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <limits.h>
#include <string.h>   /* strdup(3)   */
#include <libgen.h>   /* basename(3) */
#include <ctype.h>    /* tolower(3)  */
#include <errno.h>
#include <time.h>
#include <sys/time.h>
#include <pwd.h>
#include <grp.h>
#include <stdarg.h>
#include <unistd.h>

#include <defs.h>
#include <fatal.h>
#include <http.h>
#include <html.h>
#include <strbuf.h>


#define HTML_ERRMSG_SIZE 4096

void html_error( const char *fmt, ... )
{
  va_list arg_ptr;
  char  buf[HTML_ERRMSG_SIZE];
  char  msg[HTML_ERRMSG_SIZE];
  char *format = "%s: %s\n";

  va_start( arg_ptr, fmt );

  vsnprintf( msg, HTML_ERRMSG_SIZE, (const void *)fmt, arg_ptr );

  va_end( arg_ptr ); /* Reset variable arguments. */

  snprintf( buf, HTML_ERRMSG_SIZE, format, "http", msg );

  (void)write( STDERR_FILENO, buf, strlen( buf ) );

  exit( 1 );
}

html_errfunc html_fatal = html_error;


void html_raw( const char *data, size_t size )
{
  if( write( STDOUT_FILENO, data, size ) != size )
    html_fatal( "write error on html output" );
}

void html( const char *txt )
{
  html_raw( txt, strlen(txt) );
}

void htmlf( const char *format, ... )
{
  va_list args;
  struct strbuf buf = STRBUF_INIT;

  va_start( args, format );
  strbuf_vaddf( &buf, format, args );
  va_end( args );
  html( buf.buf );
  strbuf_release( &buf );
}