From 7c7ea6515ac40f2f41fecc295998bd9ef0cffa78 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Tue, 18 Apr 2023 19:48:21 -0400
Subject: opk: Print multiple control files

---
(limited to 'src')

diff --git a/src/main.c b/src/main.c
index b24a2fd..fdfc290 100644
--- a/src/main.c
+++ b/src/main.c
@@ -35,6 +35,11 @@ main(int argc, char *argv[])
 				"control") != OPKG_OPK_OK) {
 		goto error0;
 	}
+	if (opkg_opk_ustar_add_seek_name(
+				&control_files_head, &control_files_tail,
+				"md5sums") != OPKG_OPK_OK) {
+		goto error0;
+	}
 
 	/* Initialize outer archive. */
 	opk = opkg_opk_opk_init_outer(argv[1]);
diff --git a/src/opk.c b/src/opk.c
index 82aaca3..cd92bd6 100644
--- a/src/opk.c
+++ b/src/opk.c
@@ -176,26 +176,32 @@ opkg_opk_opk_read_control(struct opkg_opk_opk *opk,
 {
 	char   *buffer;
 	size_t  size;
-	int     ret;
+	int     ret_seek;
+	int     ret_read;
 
-	if (opk->previously_printed == 1) {
-		puts("");
+	while ((ret_seek = opkg_opk_ustar_seek(opk->inner_ustar, names)) !=
+				OPKG_OPK_ERROR) {
+		if (opk->previously_printed == 1) {
+			puts("");
+		}
+		while ((ret_read = opkg_opk_ustar_read(opk->inner_ustar,
+						&buffer, &size)) == OPKG_OPK_OK)
+		{
+			fwrite(buffer, 1, size, stdout);
+		}
+		if (ret_read == OPKG_OPK_ERROR) {
+			fputs("Error: Failed to read control file\n", stderr);
+			return OPKG_OPK_ERROR;
+		}
+		opk->previously_printed = 1;
+		if (ret_seek == OPKG_OPK_END) {
+			break;
+		}
 	}
-
-	if (opkg_opk_ustar_seek(opk->inner_ustar, names) == OPKG_OPK_ERROR) {
+	if (ret_seek == OPKG_OPK_ERROR) {
 		fputs("Error: Failed to find control file\n", stderr);
 		return OPKG_OPK_ERROR;
 	}
-	while ((ret = opkg_opk_ustar_read(opk->inner_ustar, &buffer, &size)) ==
-			OPKG_OPK_OK) {
-		fwrite(buffer, 1, size, stdout);
-	}
-	if (ret == OPKG_OPK_ERROR) {
-		fputs("Error: Failed to read control file\n", stderr);
-		return OPKG_OPK_ERROR;
-	}
-
-	opk->previously_printed = 1;
 
 	return OPKG_OPK_OK;
 }
--
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