Merge pull request #99 from elezar/fallback-error-string

Add fallback ErrorString function

gen/nvml/return.go

@@ -14,7 +14,80 @@
 
 package nvml
 
+import (
+	"fmt"
+)
+
 // nvml.ErrorString()
-func ErrorString(Result Return) string {
-	return nvmlErrorString(Result)
+func ErrorString(r Return) string {
+	if err := GetLibrary().Lookup("nvmlErrorString"); err != nil {
+		return nvmlErrorString(r)
+	}
+	return fallbackErrorStringFunc(r)
+}
+
+// fallbackErrorStringFunc provides a basic nvmlErrorString implementation.
+// This allows the nvml.ErrorString function to be used even if the NVML library
+// is not loaded.
+var fallbackErrorStringFunc = func(r Return) string {
+	switch r {
+	case SUCCESS:
+		return "SUCCESS"
+	case ERROR_UNINITIALIZED:
+		return "ERROR_UNINITIALIZED"
+	case ERROR_INVALID_ARGUMENT:
+		return "ERROR_INVALID_ARGUMENT"
+	case ERROR_NOT_SUPPORTED:
+		return "ERROR_NOT_SUPPORTED"
+	case ERROR_NO_PERMISSION:
+		return "ERROR_NO_PERMISSION"
+	case ERROR_ALREADY_INITIALIZED:
+		return "ERROR_ALREADY_INITIALIZED"
+	case ERROR_NOT_FOUND:
+		return "ERROR_NOT_FOUND"
+	case ERROR_INSUFFICIENT_SIZE:
+		return "ERROR_INSUFFICIENT_SIZE"
+	case ERROR_INSUFFICIENT_POWER:
+		return "ERROR_INSUFFICIENT_POWER"
+	case ERROR_DRIVER_NOT_LOADED:
+		return "ERROR_DRIVER_NOT_LOADED"
+	case ERROR_TIMEOUT:
+		return "ERROR_TIMEOUT"
+	case ERROR_IRQ_ISSUE:
+		return "ERROR_IRQ_ISSUE"
+	case ERROR_LIBRARY_NOT_FOUND:
+		return "ERROR_LIBRARY_NOT_FOUND"
+	case ERROR_FUNCTION_NOT_FOUND:
+		return "ERROR_FUNCTION_NOT_FOUND"
+	case ERROR_CORRUPTED_INFOROM:
+		return "ERROR_CORRUPTED_INFOROM"
+	case ERROR_GPU_IS_LOST:
+		return "ERROR_GPU_IS_LOST"
+	case ERROR_RESET_REQUIRED:
+		return "ERROR_RESET_REQUIRED"
+	case ERROR_OPERATING_SYSTEM:
+		return "ERROR_OPERATING_SYSTEM"
+	case ERROR_LIB_RM_VERSION_MISMATCH:
+		return "ERROR_LIB_RM_VERSION_MISMATCH"
+	case ERROR_IN_USE:
+		return "ERROR_IN_USE"
+	case ERROR_MEMORY:
+		return "ERROR_MEMORY"
+	case ERROR_NO_DATA:
+		return "ERROR_NO_DATA"
+	case ERROR_VGPU_ECC_NOT_SUPPORTED:
+		return "ERROR_VGPU_ECC_NOT_SUPPORTED"
+	case ERROR_INSUFFICIENT_RESOURCES:
+		return "ERROR_INSUFFICIENT_RESOURCES"
+	case ERROR_FREQ_NOT_SUPPORTED:
+		return "ERROR_FREQ_NOT_SUPPORTED"
+	case ERROR_ARGUMENT_VERSION_MISMATCH:
+		return "ERROR_ARGUMENT_VERSION_MISMATCH"
+	case ERROR_DEPRECATED:
+		return "ERROR_DEPRECATED"
+	case ERROR_UNKNOWN:
+		return "ERROR_UNKNOWN"
+	default:
+		return fmt.Sprintf("unknown return value: %d", r)
+	}
 }

pkg/nvml/return.go

@@ -14,7 +14,80 @@
 
 package nvml
 
+import (
+	"fmt"
+)
+
 // nvml.ErrorString()
-func ErrorString(Result Return) string {
-	return nvmlErrorString(Result)
+func ErrorString(r Return) string {
+	if err := GetLibrary().Lookup("nvmlErrorString"); err != nil {
+		return nvmlErrorString(r)
+	}
+	return fallbackErrorStringFunc(r)
+}
+
+// fallbackErrorStringFunc provides a basic nvmlErrorString implementation.
+// This allows the nvml.ErrorString function to be used even if the NVML library
+// is not loaded.
+var fallbackErrorStringFunc = func(r Return) string {
+	switch r {
+	case SUCCESS:
+		return "SUCCESS"
+	case ERROR_UNINITIALIZED:
+		return "ERROR_UNINITIALIZED"
+	case ERROR_INVALID_ARGUMENT:
+		return "ERROR_INVALID_ARGUMENT"
+	case ERROR_NOT_SUPPORTED:
+		return "ERROR_NOT_SUPPORTED"
+	case ERROR_NO_PERMISSION:
+		return "ERROR_NO_PERMISSION"
+	case ERROR_ALREADY_INITIALIZED:
+		return "ERROR_ALREADY_INITIALIZED"
+	case ERROR_NOT_FOUND:
+		return "ERROR_NOT_FOUND"
+	case ERROR_INSUFFICIENT_SIZE:
+		return "ERROR_INSUFFICIENT_SIZE"
+	case ERROR_INSUFFICIENT_POWER:
+		return "ERROR_INSUFFICIENT_POWER"
+	case ERROR_DRIVER_NOT_LOADED:
+		return "ERROR_DRIVER_NOT_LOADED"
+	case ERROR_TIMEOUT:
+		return "ERROR_TIMEOUT"
+	case ERROR_IRQ_ISSUE:
+		return "ERROR_IRQ_ISSUE"
+	case ERROR_LIBRARY_NOT_FOUND:
+		return "ERROR_LIBRARY_NOT_FOUND"
+	case ERROR_FUNCTION_NOT_FOUND:
+		return "ERROR_FUNCTION_NOT_FOUND"
+	case ERROR_CORRUPTED_INFOROM:
+		return "ERROR_CORRUPTED_INFOROM"
+	case ERROR_GPU_IS_LOST:
+		return "ERROR_GPU_IS_LOST"
+	case ERROR_RESET_REQUIRED:
+		return "ERROR_RESET_REQUIRED"
+	case ERROR_OPERATING_SYSTEM:
+		return "ERROR_OPERATING_SYSTEM"
+	case ERROR_LIB_RM_VERSION_MISMATCH:
+		return "ERROR_LIB_RM_VERSION_MISMATCH"
+	case ERROR_IN_USE:
+		return "ERROR_IN_USE"
+	case ERROR_MEMORY:
+		return "ERROR_MEMORY"
+	case ERROR_NO_DATA:
+		return "ERROR_NO_DATA"
+	case ERROR_VGPU_ECC_NOT_SUPPORTED:
+		return "ERROR_VGPU_ECC_NOT_SUPPORTED"
+	case ERROR_INSUFFICIENT_RESOURCES:
+		return "ERROR_INSUFFICIENT_RESOURCES"
+	case ERROR_FREQ_NOT_SUPPORTED:
+		return "ERROR_FREQ_NOT_SUPPORTED"
+	case ERROR_ARGUMENT_VERSION_MISMATCH:
+		return "ERROR_ARGUMENT_VERSION_MISMATCH"
+	case ERROR_DEPRECATED:
+		return "ERROR_DEPRECATED"
+	case ERROR_UNKNOWN:
+		return "ERROR_UNKNOWN"
+	default:
+		return fmt.Sprintf("unknown return value: %d", r)
+	}
 }