C-lang-CGI-example

.htaccess

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /test.cgi [L]
</IfModule>

index.c

#include <stdio.h>
// getenv
#include <stdlib.h>
// strcmp
#include <string.h>

/*
    get path for after hostname
*/
char* getPath(void) {
    char *path = getenv("REQUEST_URI");

    return path;
}

int main(void) {
    // put http header
    printf("Content-type: text/plain\n\n");
    char *path = getPath();

    // show current path
    printf("Current path: %s\n", path);
    // routing, required .htaccess to serve on apache
    if (strcmp(path, "/foo") == 0) {
        printf("hoge");
    } else if (strcmp(path, "/bar") == 0) {
        printf("piyo");
    } else {
        printf("fuga");
    }

    return 0;
}