From c5f8f95059504748f07e0d3ca9d978669622428c Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@mirocom.org>
Date: Sat, 23 May 2026 01:28:05 -0400
Subject: initial commit

Signed-off-by: Ian Moffett <ian@mirocom.org>
---
 core/state.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 core/state.c

(limited to 'core/state.c')

diff --git a/core/state.c b/core/state.c
new file mode 100644
index 0000000..7d80acd
--- /dev/null
+++ b/core/state.c
@@ -0,0 +1,34 @@
+#include <stdint.h>
+#include <stddef.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include "cescal/state.h"
+
+int
+state_init(struct cescal_state *state, const char *pathname)
+{
+    if (state == NULL || pathname == NULL) {
+        errno = EINVAL;
+        return -1;
+    }
+
+    state->in_fd = open(pathname, O_RDONLY);
+    if (state->in_fd < 0) {
+        return -1;
+    }
+
+    if (readbuf_init(&state->rb) < 0) {
+        close(state->in_fd);
+        return -1;
+    }
+
+    return 0;
+}
+
+void
+state_close(struct cescal_state *state)
+{
+    close(state->in_fd);
+    state->in_fd = -1;
+}
-- 
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