From 71c61fca84c22e267d2e5732620285485932f30f Mon Sep 17 00:00:00 2001
From: cnc <cnc@localhost>
Date: Fri, 5 Jun 2026 22:40:34 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E9=BD=90=20tooldata=20=E9=9D=9E?=
 =?UTF-8?q?=E9=9A=8F=E6=9C=BA=E5=90=8C=E6=AD=A5=20probe?=
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---
 .../tooldata/tooldata_common_probe_main.cc    | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/core/wasm_shims/tooldata/tooldata_common_probe_main.cc b/core/wasm_shims/tooldata/tooldata_common_probe_main.cc
index 4b06605..2d5b9eb 100644
--- a/core/wasm_shims/tooldata/tooldata_common_probe_main.cc
+++ b/core/wasm_shims/tooldata/tooldata_common_probe_main.cc
@@ -89,6 +89,42 @@ int main() {
         return 9;
     }
 
+    tooldata_init(false);
+    std::string nonrandom_path_template = make_temp_template("cnc_tooldata_common_nonrandom_probe_XXXXXX");
+    std::vector<char> nonrandom_path(nonrandom_path_template.begin(), nonrandom_path_template.end());
+    nonrandom_path.push_back('\0');
+    const int nonrandom_fd = mkstemp(nonrandom_path.data());
+    if (nonrandom_fd < 0) {
+        return 16;
+    }
+    FILE *nonrandom_fp = fdopen(nonrandom_fd, "w");
+    if (!nonrandom_fp) {
+        close(nonrandom_fd);
+        std::remove(nonrandom_path.data());
+        return 17;
+    }
+    std::fputs("T-1 P5 Z4.25\n", nonrandom_fp);
+    std::fclose(nonrandom_fp);
+
+    if (tooldata_load(nonrandom_path.data()) != 0) {
+        std::remove(nonrandom_path.data());
+        return 18;
+    }
+    std::remove(nonrandom_path.data());
+
+    // LinuxCNC source basis: src/emc/tooldata/tooldata_common.cc
+    // tooldata_load() mirrors a matching nonrandom table entry into spindle
+    // pocket 0 after tooldata_read_entry() assigns fake pocket indices.
+    CANON_TOOL_TABLE nonrandom_spindle = tooldata_entry_init();
+    if (tooldata_get(&nonrandom_spindle, 0) != IDX_OK) {
+        return 19;
+    }
+    if (nonrandom_spindle.toolno != -1 || nonrandom_spindle.pocketno != 5 ||
+        nonrandom_spindle.offset.tran.z != 4.25) {
+        return 20;
+    }
+
+    tooldata_init(true);
     tooldata_set_db(DB_ACTIVE);
     if (tooldata_load(path.data()) != -1) {
         return 10;