From 88fc60c9ed2407c7d5b929b109729b4a3e40259f Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 17 May 2023 12:20:19 -0400
Subject: opk: Read specials file

---
(limited to 'src')

diff --git a/src/opk.c b/src/opk.c
index 5619bc5..178db6c 100644
--- a/src/opk.c
+++ b/src/opk.c
@@ -19,6 +19,7 @@
 
 #include <stdlib.h>
 #include "defs.h"
+#include "specials.h"
 #include "opk.h"
 #include "opk/opk.h"
 
@@ -39,6 +40,7 @@ opkg_opk_opk_init(void)
 	opk->list_control       = 0;
 	opk->list_data          = 0;
 	opk->control_dir        = NULL;
+	opk->specials           = NULL;
 	opk->previously_printed = 0;
 
 	return opk;
@@ -117,6 +119,15 @@ opkg_opk_opk_data_dir(struct opkg_opk_opk *opk, const char *dir)
 	return OPKG_OPK_OK;
 }
 
+int
+opkg_opk_opk_specials_read(struct opkg_opk_opk *opk, const char *file_name)
+{
+	if (opkg_opk_specials_read(file_name, &opk->specials) != OPKG_OPK_OK) {
+		return OPKG_OPK_ERROR;
+	}
+	return OPKG_OPK_OK;
+}
+
 void
 opkg_opk_opk_free(struct opkg_opk_opk *opk)
 {
@@ -132,5 +143,6 @@ opkg_opk_opk_free(struct opkg_opk_opk *opk)
 		opk->print_data_head = opk->print_data_head->next;
 		free(name);
 	}
+	opkg_opk_specials_free(opk->specials);
 	free(opk);
 }
diff --git a/src/opk.h b/src/opk.h
index 8148dc8..b8a1c4d 100644
--- a/src/opk.h
+++ b/src/opk.h
@@ -104,6 +104,20 @@ int
 opkg_opk_opk_data_dir(struct opkg_opk_opk *opk, const char *dir);
 
 /*
+ * Reads types and device numbers of device special files from a list file for
+ * use when writing.
+ * Parameters:
+ * - opk:       Package structure.
+ * - file_name: Device special files list file.
+ * Returns:
+ * - OPKG_OPK_OK if the list was successfully read.
+ * - OPKG_OPK_ERROR if list file is unreadable or malformed or on memory
+ *   exhaustion.
+ */
+int
+opkg_opk_opk_specials_read(struct opkg_opk_opk *opk, const char *file_name);
+
+/*
  * Performs the configured read actions.
  * Parameters:
  * - file_name: Package's file name.
diff --git a/src/opk/opk.h b/src/opk/opk.h
index 28a6b66..d66e0a7 100644
--- a/src/opk/opk.h
+++ b/src/opk/opk.h
@@ -41,6 +41,7 @@ struct opkg_opk_opk {
 	const char                     *control_dir;
 	const char                     *data_dir;
 	FILE                           *file;
+	struct opkg_opk_specials       *specials;
 	char                            file_buffer[8192];
 	uint64_t                        mtime;
 	const char                     *file_name;
--
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