Error

#include #include #include #include #include static void print_error(const char *error, ...) { char fmt[512]; char buffer[128]; va_list args; va_start(args, error); vsprintf(buffer, error, args); va_end(args); sprintf(fmt, "" "" "" "Error" "" "" "

The server encountered the following error(s) rendering your document:
" "%s" "

" "", buffer); printf("Status: 500 Internal Server Error\r\n" "Content-Type: text/html\r\n" "Content-Length: %d\r\n" "\r\n" "%s", strlen(fmt) * sizeof(char), fmt); } static inline void run() { const char *doc_root = getenv("DOCUMENT_ROOT"); if (doc_root == NULL) { print_error("%s is not set. Check if you included fastcgi_params in your web server configuration.", "DOCUMENT_ROOT"); return; } const char *doc_uri = getenv("DOCUMENT_URI"); if (doc_uri == NULL) { print_error("%s is not set. Check if you included fastcgi_params in your web server configuration.", "DOCUMENT_URI"); return; } char *uri = calloc(strlen(doc_root) + 1 /* separator */ + strlen(doc_uri) + 1 /* \0 */, sizeof(char)); if (uri == NULL) { int r = errno; print_error("Cannot allocate memory: %s\n", strerror(r)); return; } sprintf(uri, "%s/%s", doc_root, doc_uri); FILE *file = fopen(uri, "r"); if (file == NULL) { int r = errno; if (r == ENOENT) { printf("Status: 404 Not Found\r\n" "Content-Type: text/plain\r\n" "Content-Length: 0\r\n" "\r\n"); free(uri); return; } print_error("Cannot open file %s: %s\n", uri, strerror(r)); free(uri); return; } free(uri); cmark_parser *parser = cmark_parser_new(CMARK_OPT_DEFAULT); ssize_t bytes; char buffer[1024]; while ((bytes = fread(buffer, 1, sizeof(buffer), file)) > 0) { cmark_parser_feed(parser, buffer, bytes); if (bytes < sizeof(buffer)) { break; } } cmark_node *document = cmark_parser_finish(parser); cmark_parser_free(parser); char *html = cmark_render_html(document, CMARK_OPT_DEFAULT); cmark_node_free(document); printf("Content-Type: text/html\r\n" "Content-Length: %d\r\n" "\r\n" "%s", (strlen("") + strlen(html)) * sizeof(char), html); free(html); fclose(file); } int main() { while (FCGI_Accept() >= 0) { run(); } return 0; }