From e8982df3e97d30c1f339d71f2eef924931a11040 Mon Sep 17 00:00:00 2001
From: John Tsiombikas <nuclear@member.fsf.org>
Date: Sat, 21 Jan 2023 20:40:22 +0200
Subject: [PATCH] foo

---
 src/ftp.c  |   85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 src/ftp.h  |    8 ++++++
 src/main.c |   12 +++++++++
 3 files changed, 102 insertions(+), 3 deletions(-)

diff --git a/src/ftp.c b/src/ftp.c
index 04a8ae4..ee39c42 100644
--- a/src/ftp.c
+++ b/src/ftp.c
@@ -621,15 +621,94 @@ static int cproc_list(struct ftp *ftp, int code, const char *buf, void *cls)
 	return 0;
 }
 
+static void free_dirlist(struct ftp_dirent *list)
+{
+	struct ftp_dirent *tmp;
+
+	while(list) {
+		tmp = list;
+		list = list->next;
+
+		free(tmp->name);
+		free(tmp);
+	}
+}
+
+#define SKIP_FIELD(p) \
+	do { \
+		while(*(p) && *(p) != '\n' && !isspace(*(p))) (p)++; \
+		while(*(p) && *(p) != '\n' && isspace(*(p))) (p)++; \
+	} while(0)
+
+static int parse_dirent(struct ftp_dirent *ent, const char *line)
+{
+	int len;
+	const char *ptr = line;
+	const char *end;
+
+	if(!(end = strchr(line, '\r')) && !(end = strchr(line, '\n'))) {
+		return -1;
+	}
+
+	if(line[0] == 'd') {
+		ent->type = FTP_DIR;
+	} else {
+		ent->type = FTP_FILE;
+	}
+
+	SKIP_FIELD(ptr);		/* skip mode */
+	SKIP_FIELD(ptr);		/* skip links */
+	SKIP_FIELD(ptr);		/* skip owner */
+	SKIP_FIELD(ptr);		/* skip group */
+
+	if(ent->type == FTP_FILE) {
+		ent->size = atoi(ptr);
+	}
+	SKIP_FIELD(ptr);		/* skip size */
+	SKIP_FIELD(ptr);		/* skip month */
+	SKIP_FIELD(ptr);		/* skip day */
+	SKIP_FIELD(ptr);		/* skip year */
+
+	if(ptr >= end) return -1;
+
+	len = end - ptr;
+	ent->name = malloc(len + 1);
+	memcpy(ent->name, ptr, len);
+	ent->name[len] = 0;
+
+	infomsg("name: %s\n", ent->name);
+	return 0;
+}
+
 static void dproc_list(struct ftp *ftp, const char *buf, int sz, void *cls)
 {
 	struct recvbuf *rbuf = cls;
 
 	if(sz == 0) {
 		/* EOF condition, we got the whole list, update directory entries */
-		/* TODO */
-		rbuf->buf[rbuf->size] = 0;
-		infomsg("%s\n", rbuf->buf);
+		char *ptr = rbuf->buf;
+		char *end = rbuf->buf + rbuf->size;
+		struct ftp_dirent *tail = 0;
+		struct ftp_dirent *ent;
+
+		free_dirlist(ftp->dent_rem);
+		ftp->dent_rem = 0;
+
+		while(ptr < end) {
+			ent = malloc_nf(sizeof *ent);
+			if(parse_dirent(ent, ptr) != -1) {
+				ent->next = 0;
+				if(!tail) {
+					ftp->dent_rem = tail = ent;
+				} else {
+					tail->next = ent;
+					tail = ent;
+				}
+			}
+			while(*ptr && *ptr != '\n' && *ptr != '\r') ptr++;
+			while(*ptr && (*ptr == '\r' || *ptr == '\n')) ptr++;
+		}
+		ftp->modified |= FTP_MOD_REMDIR;
 
 		free(rbuf->buf);
 		free(rbuf);
diff --git a/src/ftp.h b/src/ftp.h
index e8bcf10..34013c6 100644
--- a/src/ftp.h
+++ b/src/ftp.h
@@ -20,6 +20,11 @@ enum {
 	FTP_CONN_ACT
 };
 
+enum {
+	FTP_MOD_REMDIR	= 0x100,
+	FTP_MOD_LOCDIR	= 0x200
+};
+
 struct ftp_op {
 	int op;
 	char *arg;
@@ -30,6 +35,9 @@ struct ftp_op {
 struct ftp_dirent {
 	char *name;
 	int type;
+	long size;
+
+	struct ftp_dirent *next;
 };
 
 struct ftp {
diff --git a/src/main.c b/src/main.c
index 89ab3e2..4db0dc3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -108,6 +108,7 @@ int main(int argc, char **argv)
 
 void updateui(void)
 {
+	struct ftp_dirent *ent;
 	unsigned int upd = 0;
 
 	if(ftp->curdir_rem && strcmp(tui_get_title(uilist), ftp->curdir_rem) != 0) {
@@ -115,6 +116,17 @@ void updateui(void)
 		upd |= 1;
 	}
 
+	if(ftp->modified & FTP_MOD_REMDIR) {
+		tui_clear_list(uilist);
+
+		ent = ftp->curdir_rem;
+		while(ent) {
+			tui_add_list_item(uilist, ent->name);
+			ent = ent->next;
+		}
+		upd |= 1;
+	}
+
 	if(upd & 1) {
 		tui_draw(uilist);
 	}
-- 
1.7.10.4