housecat_old/src/cms_err.c

#include "cms_err.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

static char* get_message(cms_err err)
{
	switch (err)
	{
		case CMS_ERR_NONE:
			return "";
		case CMS_ERR_UNKNOWN:
			return "Unknown error.";
		case CMS_ERR_ALLOC:
			return "Memory allocation failed.";
		case CMS_ERR_PARSE:
			return "Parse error.";
		case CMS_ERR_FILENOENT:
			return "File doesn't exist.";
		case CMS_ERR_DIRNOENT:
			return "Directory doesn't exist.";
		case CMS_ERR_NOTFILE:
			return "Not a file.";
		case CMS_ERR_NOTDIR:
			return "Not a directory.";
		case CMS_ERR_PERM:
			return "Permission denied.";
		case CMS_ERR_INITED:
			return "Already initiated.";
		case CMS_ERR_NOTINITED:
			return "Not initiated.";
	}
}

void cms_err_panic(cms_err err, char* msg)
{
	if (err == CMS_ERR_NONE)
		return;

	if (msg == NULL)
		fprintf(stderr, "Error: %s\n", get_message(err));
	else
		fprintf(stderr, "Error: %s (%s)\n", get_message(err), msg);

	exit(1);
}

cms_err cms_err_from_std_err(int err)
{
	switch (err)
	{
	case EACCES:
		return CMS_ERR_PERM;
	case EEXIST:
		return CMS_ERR_FILEEXISTS;
	case EFAULT:
		return CMS_ERR_PERM;
	case EISDIR:
		return CMS_ERR_NOTFILE;
	case ENOENT:
		return CMS_ERR_FILENOENT;
	case ENOMEM:
		return CMS_ERR_ALLOC;
	case ENOTDIR:
		return CMS_ERR_NOTDIR;
	case EROFS:
		return CMS_ERR_PERM;
	default:
		return CMS_ERR_UNKNOWN;
	}
}