From 908cf97426b2102ac01330dbe1d8077168c5cf76 Mon Sep 17 00:00:00 2001
From: alex <alex@infiniteadaptability.org>
Date: Sun, 5 Sep 2021 14:28:24 -0700
Subject: [PATCH] ...

---
 configure.ac     | 1 +
 inc/opt.h        | 1 +
 src/opt/env.c    | 1 +
 src/opt/piecel.c | 5 +++++
 src/opt/set.c    | 1 +
 5 files changed, 9 insertions(+)
 create mode 100644 src/opt/piecel.c

diff --git a/configure.ac b/configure.ac
index dfe518c..a8c66d4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,6 +61,7 @@ AC_PROG_CC
 
 # Checks for libraries.
 AC_CHECK_LIB([pthread],[pthread_create])
+AC_CHECK_LIB([sodium],[crypto_hash_sha256_init])
 
 # Checks for header files.
 AC_CHECK_HEADERS([stdlib.h string.h])
diff --git a/inc/opt.h b/inc/opt.h
index 15d1b50..1188d2f 100644
--- a/inc/opt.h
+++ b/inc/opt.h
@@ -18,5 +18,6 @@ int opt_load_config_file(char*);
 int opt_load_from_env();
 int opt_set(char*,char*);
 void opt_set_log_level(enum log_level);
+int opt_set_piece_length(char*);
 
 #endif
diff --git a/src/opt/env.c b/src/opt/env.c
index 7ecd9dc..0537777 100644
--- a/src/opt/env.c
+++ b/src/opt/env.c
@@ -13,6 +13,7 @@ int opt_load_from_env() {
 	char *p;
 
 	CHECK_ENV("CONFIG",opt_load_config_file);
+	CHECK_ENV("PIECE_LENGTH",opt_set_piece_length);
 
 	return 1;
 }
diff --git a/src/opt/piecel.c b/src/opt/piecel.c
new file mode 100644
index 0000000..3636b57
--- /dev/null
+++ b/src/opt/piecel.c
@@ -0,0 +1,5 @@
+#include<opt.h>
+
+int opt_set_piece_length(char *length) {
+	return -1;
+}
diff --git a/src/opt/set.c b/src/opt/set.c
index a08c5a6..18b7e87 100644
--- a/src/opt/set.c
+++ b/src/opt/set.c
@@ -6,6 +6,7 @@ struct option_lookup_table_entry {
 };
 
 struct option_lookup_table_entry option_lookup_table[] = {
+	{"piece_length",&opt_set_piece_length},
 	{"watch",&opt_add_watch},
 	{NULL,NULL}
 };
-- 
2.30.2