hermes

commit c4ed0ef51338cb8eddb396d1b7d8f0bd349bd8f5
parent 4d688a2447c1384c36600ee37c5c47aa7626c833
Author: Francesco Saccone <francesco@francescosaccone.com>
Date:   Sun, 30 Mar 2025 20:27:18 +0200

feat: add -i flag for directory index

Signed-off-by: Francesco Saccone <francesco@francescosaccone.com>

Diffstat:
M
hermes.c
 | 
19
+++++++++++++++++--

1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/hermes.c b/hermes.c
@@ -1,16 +1,20 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "socket.h"
 
+#define DIRECTORY_INDEX_MAX_LENGTH 32
+
 void
 print_usage(char *program_name) {
-	printf("usage: %s [-p port]", program_name);
+	printf("usage: %s [-p port] [-i file]", program_name);
 }
 
 int
 main(int argc, char *argv[]) {
-	char *program_name = argv[0];
+	char *program_name = argv[0],
+	     directory_index[32] = "index.html";
 	int i, port = 80,
 	    server_socket_fd;
 
@@ -39,6 +43,17 @@ main(int argc, char *argv[]) {
 			port = atoi(argv[i + 1]);
 			i++;
 			break;
+		case 'i':
+			if (strlen(argv[i + 1]) >= DIRECTORY_INDEX_MAX_LENGTH) {
+				printf("error: directory index must be less than "
+				       "%u characters",
+				       DIRECTORY_INDEX_MAX_LENGTH);
+				return 1;
+			}
+			strncpy(directory_index, argv[i + 1], sizeof(directory_index) -1);
+			directory_index[sizeof(directory_index) -1] = '\0';
+			i++;
+			break;
 		default:
 			print_usage(program_name);
 			return 1;