C++ (Cpp) config_enum_lookup_by_value Examples

Example #1

File: help_config.c Project: AmiGanguli/postgres

/*
 * This function prints out the generic struct passed to it. It will print out
 * a different format, depending on what the user wants to see.
 */
static void
printMixedStruct(mixedStruct *structToPrint)
{
	printf("%s\t%s\t%s\t",
		   structToPrint->generic.name,
		   GucContext_Names[structToPrint->generic.context],
		   _(config_group_names[structToPrint->generic.group]));

	switch (structToPrint->generic.vartype)
	{

		case PGC_BOOL:
			printf("BOOLEAN\t%s\t\t\t",
				   (structToPrint->_bool.reset_val == 0) ?
				   "FALSE" : "TRUE");
			break;

		case PGC_INT:
			printf("INTEGER\t%d\t%d\t%d\t",
				   structToPrint->integer.reset_val,
				   structToPrint->integer.min,
				   structToPrint->integer.max);
			break;

		case PGC_REAL:
			printf("REAL\t%g\t%g\t%g\t",
				   structToPrint->real.reset_val,
				   structToPrint->real.min,
				   structToPrint->real.max);
			break;

		case PGC_STRING:
			printf("STRING\t%s\t\t\t",
				   structToPrint->string.boot_val ? structToPrint->string.boot_val : "");
			break;

		case PGC_ENUM:
			printf("ENUM\t%s\t\t\t",
				   config_enum_lookup_by_value(&structToPrint->_enum,
											   structToPrint->_enum.boot_val));
			break;

		default:
			write_stderr("internal error: unrecognized run-time parameter type\n");
			break;
	}

	printf("%s\t%s\n",
		   (structToPrint->generic.short_desc == NULL) ? "" : _(structToPrint->generic.short_desc),
		   (structToPrint->generic.long_desc == NULL) ? "" : _(structToPrint->generic.long_desc));
}

Example #2

File: src_backend_utils_misc_guc.c Project: pganalyze/collector

/*
 *	These routines dump out all non-default GUC options into a binary
 *	file that is read by all exec'ed backends.  The format is:
 *
 *		variable name, string, null terminated
 *		variable value, string, null terminated
 *		variable sourcefile, string, null terminated (empty if none)
 *		variable sourceline, integer
 *		variable source, integer
 *		variable scontext, integer
 */
static void
write_one_nondefault_variable(FILE *fp, struct config_generic *gconf)
{
	if (gconf->source == PGC_S_DEFAULT)
		return;

	fprintf(fp, "%s", gconf->name);
	fputc(0, fp);

	switch (gconf->vartype)
	{
		case PGC_BOOL:
			{
				struct config_bool *conf = (struct config_bool *) gconf;

				if (*conf->variable)
					fprintf(fp, "true");
				else
					fprintf(fp, "false");
			}
			break;

		case PGC_INT:
			{
				struct config_int *conf = (struct config_int *) gconf;

				fprintf(fp, "%d", *conf->variable);
			}
			break;

		case PGC_REAL:
			{
				struct config_real *conf = (struct config_real *) gconf;

				fprintf(fp, "%.17g", *conf->variable);
			}
			break;

		case PGC_STRING:
			{
				struct config_string *conf = (struct config_string *) gconf;

				fprintf(fp, "%s", *conf->variable);
			}
			break;

		case PGC_ENUM:
			{
				struct config_enum *conf = (struct config_enum *) gconf;

				fprintf(fp, "%s",
						config_enum_lookup_by_value(conf, *conf->variable));
			}
			break;
	}

	fputc(0, fp);

	if (gconf->sourcefile)
		fprintf(fp, "%s", gconf->sourcefile);
	fputc(0, fp);

	fwrite(&gconf->sourceline, 1, sizeof(gconf->sourceline), fp);
	fwrite(&gconf->source, 1, sizeof(gconf->source), fp);
	fwrite(&gconf->scontext, 1, sizeof(gconf->scontext), fp);
}