Changeset 567 for trunk/archive/pslib/src/Utils/error.c

Timestamp:

May 3, 2004, 4:25:41 PM (22 years ago)

Author:

rhl

Message:

Support for psErrorRegister()

File:

• trunk/archive/pslib/src/Utils/error.c (modified) (4 diffs)

trunk/archive/pslib/src/Utils/error.c

@@ -19 +19 @@
 #include "psErrorCodes.c"
 
-static char *errorStringList[PS_ERR_N_ERR_CLASSES]; // error strings indexed by errorCode
+static int nerrorString = 0;            // number of known error messages
+static char **errorStringList = NULL;   // error strings indexed by errorCode
 
 /************************************************************************************************************/
@@ -139 +140 @@
 
 /************************************************************************************************************/
-
-static void
-build_errorStringList(void)
-{
-    for (int i = 0; i < PS_ERR_N_ERR_CLASSES; i++) {
-        errorStringList[i] = NULL;
-    }
-
-    errorStringList[PS_ERR_NONE] = "No error";
-    for (int i = 0; i < PS_ERR_N_ERR_CLASSES; i++) {
-        if (errorStrings[i].descrip == NULL) {
-            break;
-        }
-        
-        errorStringList[errorStrings[i].code] = errorStrings[i].descrip;
+/*
+ * Register a set of psErrorDescription
+ */
+void p_psErrorRegister(const psErrorDescription *errors,       // errors to register
+                       int nerror)                             // number of errors
+{
+    if (nerror <= 0) {                  // no new errors
+        return;
+    }
+
+    int codeMax = errors[nerror - 1].code; // largest new error code
+
+    if (codeMax > nerrorString) {
+        errorStringList = psRealloc(errorStringList, (codeMax + 1)*sizeof(char *));
+
+        for (int i = nerrorString; i <= codeMax; i++) {
+            errorStringList[i] = NULL;
+        }
+        nerrorString = codeMax + 1;
+    }
+
+    for (int i = 0; i < nerror; i++) {
+        if (errorStringList[errors[i].code] != NULL && // that value is already registered differently
+            strcmp(errorStringList[errors[i].code], errors[i].descrip) != 0) {
+            psLogMsg("utils.error", PS_LOG_WARN,
+                     "Attempt to register error code %d as \"%s\" that is already registered as \"%s\"",
+                     errors[i].code, errors[i].descrip, errorStringList[errors[i].code]);
+        }
+
+        errorStringList[errors[i].code] = errors[i].descrip;
     }
 }
@@ -163 +179 @@
 const char *psErrorCodeString(psErrorCode code)
 {
-    if (errorStringList[PS_ERR_UNKNOWN] == NULL) { // need to build the errorStringList
-        build_errorStringList();
-    }
-
-    return (code < PS_ERR_BASE ? strerror(code) : errorStringList[code]);
+    if (errorStringList == NULL) {      // need to build the errorStringList
+        psErrorRegister();
+    }
+
+    if (code < PS_ERR_BASE) {
+        return strerror(code);
+    } else if (code >= nerrorString) {
+        static char buff[30];
+        sprintf(buff, "(Unknown code %d)", code);
+        return buff;
+    } else {
+        return errorStringList[code];
+    }
 }
 
@@ -197 +221 @@
                         va_list ap)     // arguments for format
 {
-    if (errorStringList[PS_ERR_UNKNOWN] == NULL) { // need to build the errorStringList
-        build_errorStringList();
+    if (errorStringList == NULL) {      // need to build the errorStringList
+        psErrorRegister();
     }