/** set_error_details
*
* Generates error details in the dropt context.
*
* PARAMETERS:
* IN/OUT context : The dropt context.
* Must not be NULL.
* IN err : The error code.
* IN optionName : The name of the option we failed on.
* optionName.s must not be NULL.
* IN optionArgument : The value of the option we failed on.
* Pass NULL if unwanted.
*/
static void
set_error_details(dropt_context * context, dropt_error err,
char_array optionName,
const dropt_char * optionArgument)
{
assert(context != NULL);
assert(optionName.s != NULL);
context->errorDetails.err = err;
free(context->errorDetails.optionName);
free(context->errorDetails.optionArgument);
context->errorDetails.optionName = dropt_strndup(optionName.s, optionName.len);
context->errorDetails.optionArgument = (optionArgument == NULL)
? NULL
: dropt_strdup(optionArgument);
/* The message will be generated lazily on retrieval. */
free(context->errorDetails.message);
context->errorDetails.message = NULL;
}
/** dropt_strdup
*
* Duplicates a string.
*
* PARAMETERS:
* IN s : A NUL-terminated string to duplicate.
*
* RETURNS:
* The duplicated string. The caller is responsible for calling
* free() on it when no longer needed.
* Returns NULL on error.
*/
dropt_char*
dropt_strdup(const dropt_char* s)
{
return dropt_strndup(s, SIZE_MAX);
}
