Listing 3 The status page

 1 #include <stdio.h>
 2 #include <string.h>
 3 #include <errno.h>
 4 #include <sys/file.h>
 5 #include <sys/types.h>
 6 #include <sys/stat.h>
 7 #include <fcntl.h>
 8 
 9 int gen_www_info( char *db_name, double size, double quota )
10 {
11     FILE *file;
12     char www_info_file_path[128];
13     double free = 0;
14     bzero( www_info_file_path, 128 );
15 
16     /*
17      * Generate the complete path the file that the
18      * information will be saved to:
19     */
20     sprintf( www_info_file_path, "%s/%s", "/var/lib/apache/htdocs/quota", db_name );
21 
22     /* Calculate the number of free megabytes: */
23     free = (quota-size);
24 
25     /* Open the file for writing: */
26     if( (file = fopen( www_info_file_path, "w" )) == NULL )
27     {
28         perror( "fdopen(fd,\"w\")" );
29     }
30 
31     /* Ouput the information to the file: */
32     fprintf( file, "<table width=\"30%%\" border=\"0\" cellpadding=\"5\" 
                cellpadding=\"0\"><tr><td bgcolor=\"#fced63\" colspan=\"2\" 
                align=\"center\" valign=\"middle\"><font size=\"4\" 
                face=\"Verdana, Arial, Helvetica, sans-serif\" 
                color=\"#666666\">Database Status:</td></tr><tr><td 
                align=\"right\" valign=\"middle\" width=\"50%%\"><font 
                size=\"3\" face=\"Verdana, Arial, Helvetica, sans-serif\" 
                color=\"#666666\">Used Space:</td><td align=\"left\" 
                valign=\"middle\" width=\"50%%\"><font size=\"3\" 
                face=\"Verdana, Arial, Helvetica, sans-serif\" 
                color=\"#666666\">%.2fMb</td><tr><td align=\"right\" 
                valign=\"middle\"><font size=\"3\" face=\"Verdana, Arial, 
                Helvetica, sans-serif\" color=\"#666666\">Free Space:</td><td 
                align=\"left\" valign=\"middle\"><font size=\"3\" 
                face=\"Verdana, Arial, Helvetica, sans-serif\" 
                color=\"#666666\">%.2fMb</td></tr><tr><td align=\"right\" 
                valign=\"middle\"><font size=\"3\" face=\"Verdana, Arial, 
                Helvetica, sans-serif\" color=\"#666666\">Total Space:</td><td 
                align=\"left\" valign=\"middle\"><font size=\"3\" 
                face=\"Verdana, Arial, Helvetica, sans-serif\" 
                color=\"#666666\">%.2fMb</td></tr></table>", size, free, quota );
33 
34     /* Close the file: */
35     if( (fclose( file )) != 0 )
36     {
37         perror( "fclose(file)" );
38     }
39     
40     /* Everyting seem to be fine, so we'll return 0: */
41     return 0;
42 }