1 files changed, 112 insertions, 0 deletions
diff --git a/set-contact-chats.c b/set-contact-chats.c
new file mode 100644
index 0000000..3d4bae9
--- /dev/null
+++ b/set-contact-chats.c
@@ -0,0 +1,112 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+USAGE("[-a | -c | -s | -u] contact-id context service address");
+
+
+int
+main(int argc, char *argv[])
+{
+	int update_address = 0, update_context = 0, update_service = 0;
+	int remove = 0, edit;
+	struct passwd *user;
+	struct libcontacts_contact contact;
+	struct libcontacts_chat **r, **w;
+	size_t i;
+
+	ARGBEGIN {
+	case 'a':
+		update_address = 1;
+		break;
+	case 'c':
+		update_context = 1;
+		break;
+	case 's':
+		update_service = 1;
+		break;
+	case 'u':
+		remove = 1;
+		break;
+	default:
+		usage();
+	} ARGEND;
+
+	edit = update_address + update_context + update_service + remove;
+	if (edit > 1 || argc != 4)
+		usage();
+
+	if (!*argv[0] || strchr(argv[0], '/'))
+		usage();
+
+	errno = 0;
+	user = getpwuid(getuid());
+	if (!user)
+		eprintf("getpwuid: %s\n", errno ? strerror(errno) : "user does not exist");
+
+	if (libcontacts_load_contact(argv[0], &contact, user))
+		eprintf("libcontacts_load_contact %s: %s\n", argv[0], errno ? strerror(errno) : "contact file is malformatted");
+
+	i = 0;
+	if (contact.chats) {
+		if (!edit) {
+			for (; contact.chats[i]; i++);
+		} else if (update_address) {
+			for (; contact.chats[i]; i++) {
+				if (!strcmpnul(contact.chats[i]->context, argv[1])) {
+					if (!strcmpnul(contact.chats[i]->service, argv[2])) {
+						free(contact.chats[i]->address);
+						contact.chats[i]->address = estrdup(argv[3]);
+						goto save;
+					}
+				}
+			}
+		} else if (update_context) {
+			for (; contact.chats[i]; i++) {
+				if (!strcmpnul(contact.chats[i]->service, argv[2])) {
+					if (!strcmpnul(contact.chats[i]->address, argv[3])) {
+						free(contact.chats[i]->context);
+						contact.chats[i]->context = estrdup(argv[1]);
+						goto save;
+					}
+				}
+			}
+		} else if (update_service) {
+			for (; contact.chats[i]; i++) {
+				if (!strcmpnul(contact.chats[i]->context, argv[1])) {
+					if (!strcmpnul(contact.chats[i]->address, argv[3])) {
+						free(contact.chats[i]->context);
+						contact.chats[i]->service = estrdup(argv[2]);
+						goto save;
+					}
+				}
+			}
+		} else {
+			for (; contact.chats[i]; i++)
+				if (!strcmpnul(contact.chats[i]->context, argv[1]))
+					if (!strcmpnul(contact.chats[i]->service, argv[2]))
+						if (!strcmpnul(contact.chats[i]->address, argv[3]))
+							break;
+		}
+	}
+	if (!edit || update_address || update_context || update_service) {
+		contact.chats = erealloc(contact.chats, (i + 2) * sizeof(*contact.chats));
+		contact.chats[i + 1] = NULL;
+		contact.chats[i] = ecalloc(1, sizeof(**contact.chats));
+		contact.chats[i]->context = estrdup(argv[1]);
+		contact.chats[i]->service = estrdup(argv[2]);
+		contact.chats[i]->address = estrdup(argv[3]);
+	} else if (contact.chats && contact.chats[i]) {
+		libcontacts_chat_destroy(contact.chats[i]);
+		free(contact.chats[i]);
+		for (r = &1[w = &contact.chats[i]]; *r;)
+			*w++ = *r++;
+		*w = NULL;
+	}
+
+save:
+	if (libcontacts_save_contact(&contact, user))
+		eprintf("libcontacts_save_contact %s:", argv[0]);
+	libcontacts_contact_destroy(&contact);
+
+	return 0;
+}