libansilove

commit acbcd877c37523a7ead6b685d073b158fadee884
parent fa43fecd6d3a4f30c710090823b1e744d8cf6273
Author: Frederic Cambus <fred@statdns.com>
Date:   Fri, 19 Oct 2018 14:08:56 +0200

Add an ansilove_error() function to return an error string

Diffstat:
M
CMakeLists.txt
 | 
2
+-
M
include/ansilove.h
 | 
2
+-
A
src/error.c
 | 
42
++++++++++++++++++++++++++++++++++++++++++

3 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -21,7 +21,7 @@ find_path(GD_INCLUDE_DIRS gd.h)
 find_library(GD_LIBRARIES NAMES gd REQUIRED)
 include_directories(${GD_INCLUDE_DIRS})
 
-set(SRC src/drawchar.c src/fonts.c src/loadfile.c src/init.c src/output.c src/savefile.c)
+set(SRC src/drawchar.c src/fonts.c src/error.c src/loadfile.c src/init.c src/output.c src/savefile.c)
 set(LOADERS src/loaders/ansi.c src/loaders/artworx.c src/loaders/binary.c src/loaders/icedraw.c src/loaders/pcboard.c src/loaders/tundra.c src/loaders/xbin.c)
 
 if(NOT HAVE_STRTONUM)
diff --git a/include/ansilove.h b/include/ansilove.h
@@ -82,7 +82,7 @@ struct ansilove_options {
 };
 
 int ansilove_init(struct ansilove_ctx *, struct ansilove_options *);
-
+char* ansilove_error(struct ansilove_ctx *);
 int ansilove_loadfile(struct ansilove_ctx *, char *);
 int ansilove_savefile(struct ansilove_ctx *, char *);
 
diff --git a/src/error.c b/src/error.c
@@ -0,0 +1,42 @@
+//
+//  error.c
+//  AnsiLove/C
+//
+//  Copyright (c) 2011-2018 Stefan Vogt, Brian Cassidy, and Frederic Cambus.
+//  All rights reserved.
+//
+//  This source code is licensed under the BSD 2-Clause License.
+//  See the LICENSE file for details.
+//
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include "ansilove.h"
+
+char*
+ansilove_error(struct ansilove_ctx *ctx) {
+	if (ctx == NULL)
+		return NULL;
+
+	switch (ctx->error) {
+		case ANSILOVE_INVALID_PARAM:
+			return "Invalid parameter.";
+			break;
+		case ANSILOVE_FORMAT_ERROR:
+			return "File format error.";
+			break;
+		case ANSILOVE_MEMORY_ERROR:
+			return "Memory allocation error.";
+			break;
+		case ANSILOVE_FILE_ERROR:
+			return "File error.";
+			break;
+		case ANSILOVE_GD_ERROR:
+			return "GD error.";
+			break;
+		default:
+			return NULL;
+	}
+}