From 68d23225a38a35f1325eb39fa4ed5a005d5de473 Mon Sep 17 00:00:00 2001
From: fujuntang <fujuntang@aiot.com>
Date: 星期三, 11 八月 2021 09:50:20 +0800
Subject: [PATCH] fix from 3.1 first commit

---
 src/bus_error.cpp |   46 +++++++++++++++++++++++++++++++++-------------
 1 files changed, 33 insertions(+), 13 deletions(-)

diff --git a/src/bus_error.cpp b/src/bus_error.cpp
index cf16cf2..913a771 100644
--- a/src/bus_error.cpp
+++ b/src/bus_error.cpp
@@ -11,12 +11,16 @@
 static pthread_key_t strerrorKey;
 
 
-static char *_bus_errlist[_bus_nerr] = {
+static const char *_bus_errlist[_bus_nerr] = {
   "\0",
-  "Timeout",
+  "Timed out",
   "The other end is not inline",
   "Key already in use",
-  "Network fault"
+  "Network fault",
+  "Send to self error",
+  "Receive from wrong end",
+  "Service stoped",
+  "Exceed resource limit"
 
 };
 
@@ -42,9 +46,8 @@
 char *
 bus_strerror(int err)
 {
-  int s, eindex;
+  int s;
   char *buf;
-  eindex = err - EBUS_BASE;
   /* Make first caller allocate key for thread-specific data */
 
   s = pthread_once(&once, createKey);
@@ -65,14 +68,31 @@
       err_exit(s, "pthread_setspecific");
   }
 
-  if (eindex < 0 || eindex >= _bus_nerr || _bus_errlist[eindex] == NULL)
-  {
-    snprintf(buf, MAX_ERROR_LEN, "Unknown error %d", eindex);
-  }
-  else
-  {
-    strncpy(buf, _bus_errlist[eindex], MAX_ERROR_LEN - 1);
-    buf[MAX_ERROR_LEN - 1] = '\0';          /* Ensure null termination */
+
+  if(err < EBUS_BASE) {
+    // libc閿欒
+    if (err < 0 || err >= _sys_nerr || _sys_errlist[err] == NULL)
+    {
+      snprintf(buf, MAX_ERROR_LEN, "Unknown error %d", err);
+    }
+    else
+    {
+      strncpy(buf, _sys_errlist[err], MAX_ERROR_LEN - 1);
+      buf[MAX_ERROR_LEN - 1] = '\0';          /* Ensure null termination */
+    }
+  } else {
+    //鑷畾涔夐敊璇�
+    err -= EBUS_BASE;
+    if (err < 0 || err >= _bus_nerr || _bus_errlist[err] == NULL)
+    {
+      snprintf(buf, MAX_ERROR_LEN, "Unknown error %d", err);
+    }
+    else
+    {
+      strncpy(buf, _bus_errlist[err], MAX_ERROR_LEN - 1);
+      buf[MAX_ERROR_LEN - 1] = '\0';          /* Ensure null termination */
+    }
+
   }
 
   return buf;

--
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