[ale] Excuse me for my web stupidity. Working on displayingoutput to a browser.

Tue Jan 22 10:13:41 EST 2002

Are you getting an strange http error.

In web programming you are suppose to print something like the following.
"Content-Type: text/html\n\n"

This tells the web browser what the mime type of the content is.

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On Tue, 22 Jan 2002, Chris Fowler wrote:

> I want to excute a C program that is in cgi-bin directory of my thttpd server and have some output issues.  I originally thought it would be with CR vs NL but now I'm not sure.   I created this because I thought it would sove the
> problem.
>
> F
>
> Exapmle program
>
>
>
> int
> main(int argc, char *argv[])
> {
>         FILE *fp;
>         int c;
>
>
>         fp = popen("/sbin/stat", "r");
>
>
>         printf("<HTML><HEAD><TITLE>System Statistics</TITLE></HEAD><BODY>\n");
>
>         while(!feof(fp))
>         {
>                 c = getc(fp);
>
>                 if(c == 10)
>                 {
>                         putchar(10);
>                         putchar(13);
>                 }
>                 else
>                         putchar(c);
>         }
>
>         pclose(fp);
>
>         printf("</BODY></HTML>\n");
>
>         return 0;
>
> }
>
>
> First time I access http://IPADDRESS/cgi-bin/test  Below is the output
>
> *************************************************************** Linux version 2.4.13 (root at moses.outpostsentinel.com) (gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)) #12 Wed Jan 16 14:35:42 EST 2002 BIOS-provided physical
> RAM map: BIOS-e820: 0000000000000000 - 0000000000098000 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (usable) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820:
> 0000000000100000 - 0000000007d80000 (usable) BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved) On node 0 totalpages: 32128 zone(0): 4096 pages. zone(1): 28032 pages. zone(2): 0 pages. No local APIC
> present or hardware disabled Kernel command line: auto BOOT_IMAGE=outpost ro root=107 ramdisk=16384 console=ttyS0,9600 Initializing CPU#0 Detected 300.684 MHz processor. Console: colour VGA+ 80x25 Calibrating delay
> loop... 594.73 BogoMIPS Memory: 124000k/128512k available (809k kernel code, 4096k reserved, 211k data, 204k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Dentry-cache
> hash table entries: 16384 (order: 5, 131072 bytes) Inode-cache hash table entries: 8192 (order: 4, 65536 bytes) Mount-cache hash table entries: 2048 (order: 2, 16384 bytes) Buffer-cache hash table entries: 4096 (order: 2, 16384
> bytes) Page-cache hash table entries: 32768 (order: 5, 131072 bytes) CPU: Before vendor init, caps: 00808131 01818131 00000000, vendor = 255 CPU: After vendor init, caps: 00808131 01818131 00000000 00000000 CPU:
> After generic, caps: 00808131 01818131
>
>
> Notice no CR's or NL
>
> Now if I hit refresh here is the example output:
>
> ***************************************************************
>
> Linux version 2.4.13 (root at moses.outpostsentinel.com) (gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)) #12 Wed Jan 16 14:35:42 EST 2002
>
> BIOS-provided physical RAM map:
>
>  BIOS-e820: 0000000000000000 - 0000000000098000 (usable)
>
>  BIOS-e820: 000000000009fc00 - 00000000000a0000 (usable)
>
>  BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
>
>  BIOS-e820: 0000000000100000 - 0000000007d80000 (usable)
>
>  BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
>
> On node 0 totalpages: 32128
>
> zone(0): 4096 pages.
>
>
>
> Now I have both CR's and NL.  Basically I have  stat program that displays /proc info on command line.  I want this to also be displayed on a web page to the users that needs to see this info without logging in.
>
> Any help would be appreciated.
>
>
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>
>

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