Remove unneeded headers from common.h, improve error handling

3 files changed, 17 insertions, 18 deletions

diff --git a/common.c b/common.c
index e9258c1..b459f31 100644
--- a/common.c
+++ b/common.c
@@ -36,9 +36,9 @@
 char *filename;
 float current_time = 0;
 
-GLint param0 = 0;
-GLint param1 = 0;
-GLint param2 = 0;
+int param0 = 0;
+int param1 = 0;
+int param2 = 0;
 
 
 static GLint time_loc;
diff --git a/common.h b/common.h
index 7cbf34d..8f45105 100644
--- a/common.h
+++ b/common.h
@@ -25,18 +25,13 @@
 
 #pragma once
 
-#include <GL/glew.h>
-
-#include <SDL2/SDL.h>
-#include <SDL2/SDL_opengl.h>
-
 
 extern char *filename;
 extern float current_time;
 
-extern GLint param0;
-extern GLint param1;
-extern GLint param2;
+extern int param0;
+extern int param1;
+extern int param2;
 
 
 void load(void);
diff --git a/glslview.c b/glslview.c
index 05d0637..18cc512 100644
--- a/glslview.c
+++ b/glslview.c
@@ -25,14 +25,20 @@
 
 #include "common.h"
 
-
+#include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <math.h>
 #include <stdbool.h>
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
 
+#include <GL/glew.h>
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_opengl.h>
+
 #ifdef USE_INOTIFY
 # include <sys/inotify.h>
 # include <sys/stat.h>
@@ -53,22 +59,20 @@ static int inotify_watch = -1;
 static void reset_watch(void) {
 	if (inotify_watch >= 0) {
 		if (inotify_rm_watch(inotify_fd, inotify_watch)) {
-			fprintf(stderr, "unable to remove watch\n");
+			fprintf(stderr, "unable to remove watch: %s\n", strerror(errno));
 			exit(1);
 		}
 	}
 
 	inotify_watch = inotify_add_watch(inotify_fd, filename, IN_CLOSE_WRITE);
-	if (inotify_watch < 0) {
-		fprintf(stderr, "unable to watch '%s' for changes\n", filename);
-		return;
-	}
+	if (inotify_watch < 0)
+		fprintf(stderr, "unable to watch '%s' for changes: %s\n", filename, strerror(errno));
 }
 
 static void init_watch(void) {
 	inotify_fd = inotify_init();
 	if (inotify_fd < 0) {
-		fprintf(stderr, "unable to initialize inotify\n");
+		fprintf(stderr, "unable to initialize inotify: %s\n", strerror(errno));
 		exit(1);
 	}