mirror of
https://github.com/sheumann/VNCviewGS.git
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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
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/***************************************************************
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* HandleError.cc - routines to dosplay error messages
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***************************************************************/
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#if __ORCAC__
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#pragma lint -1
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#pragma noroot
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#endif
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#if DEBUG
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#pragma debug 25
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#endif
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#include <types.h>
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#include <Resources.h>
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#include <Window.h>
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#include <Memory.h>
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/***************************************************************
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* GetString - Get a string from the resource fork
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* Parameters:
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* resourceID - resource ID of the rCString resource
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* Returns: pointer to the string; NULL for an error
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* Notes: The string is in a locked resource handle. The caller
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* should call FreeString when the string is no longer needed.
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* Failure to do so is not catastrophic; the memory will be
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* deallocated when the program is shut down.
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***************************************************************/
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char *GetString (int resourceID)
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{
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Handle hndl; /* resource handle */
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hndl = LoadResource(rCString, resourceID);
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if (toolerror() == 0) {
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HLock(hndl);
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return (char *) (*hndl);
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}
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return NULL;
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}
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/***************************************************************
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* FreeString - Free a resource string
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* Parameters:
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* resourceID - resource ID of the rCString to free
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***************************************************************/
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void FreeString (int resourceID)
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{
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ReleaseResource(-3, rCString, resourceID);
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}
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/***************************************************************
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* FlagError - Flag an error
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* Parameters:
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* error - error message number
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* tError - toolbox error code; 0 if none
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***************************************************************/
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void FlagError (int error, int tError)
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{
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#define errorAlert 2000 /* alert resource ID */
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#define errorBase 2000 /* base resource ID for fortunes */
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char *substArray; /* substitution "array" */
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char *errorString; /* pointer to the error string */
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/* form the error string */
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errorString = GetString(errorBase + error);
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substArray = NULL;
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if (errorString != NULL) {
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substArray = (char *)malloc(strlen(substArray)+9);
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if (substArray != NULL)
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strcpy(substArray, errorString);
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FreeString(errorBase + error);
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}
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if (substArray != NULL) {
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if (tError != 0) /* add the tool error number */
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sprintf(&substArray[strlen(substArray)], " ($%04X)", tError);
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/* show the alert */
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AlertWindow(awCString+awResource, (Pointer) &substArray, errorAlert);
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free(substArray);
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}
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#undef errorAlert
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#undef errorBase
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}
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