Added GLFW error strings to test programs, various tweaks.

tests/accuracy.c

@@ -61,7 +61,7 @@ int main(void)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 
@@ -70,7 +70,7 @@ int main(void)
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to open GLFW window\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 

tests/defaults.c

@@ -71,7 +71,7 @@ int main(void)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
         exit(1);
     }
 
@@ -80,7 +80,7 @@ int main(void)
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to open GLFW default window\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
         exit(1);
     }
 

tests/events.c

@@ -268,7 +268,7 @@ int main(void)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
         exit(1);
     }
 
@@ -279,7 +279,7 @@ int main(void)
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to create GLFW window");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
         exit(1);
     }
 

tests/fsaa.c

@@ -49,7 +49,7 @@ int main(void)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 
@@ -60,7 +60,7 @@ int main(void)
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to open GLFW window\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 

tests/iconify.c

@@ -91,7 +91,7 @@ int main(int argc, char** argv)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 
@@ -112,7 +112,7 @@ int main(int argc, char** argv)
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to open GLFW window\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 

tests/joysticks.c

@@ -6,6 +6,7 @@
 #include <GL/glfw3.h>
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <math.h>
 
 #define MAX_AXES     10
@@ -93,7 +94,12 @@ int main(void)
     double update;
 
     /* Initialise GLFW */
-    glfwInit();
+    if (!glfwInit())
+    {
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
+        exit(EXIT_FAILURE);
+    }
+
     printf("The program will work for 20 seconds and display every seconds the state of the joysticks\n");
     printf("Your computer is going to be very slow as the program is doing an active loop .....\n");
 

tests/peter.c

@@ -110,16 +110,16 @@ int main(void)
 {
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
-        exit(1);
+        exit(EXIT_FAILURE);
     }
 
     if (!open_window())
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to open GLFW window\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
-        exit(1);
+        exit(EXIT_FAILURE);
     }
 
     glClearColor(0.f, 0.f, 0.f, 0.f);
@@ -133,6 +133,6 @@ int main(void)
     }
 
     glfwTerminate();
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
 

tests/reopen.c

@@ -84,12 +84,10 @@ static int open_window(int width, int height, int mode)
 {
     double base = glfwGetTime();
 
-    glfwOpenWindowHint(GLFW_DEPTH_BITS, 16);
-
     window_handle = glfwOpenWindow(width, height, mode);
     if (!window_handle)
     {
-        fprintf(stderr, "Failed to create %s mode GLFW window\n", get_mode_name(mode));
+        fprintf(stderr, "Failed to open %s mode GLFW window: %s\n", get_mode_name(mode), glfwErrorString(glfwGetError()));
         return 0;
     }
 
@@ -122,8 +120,8 @@ int main(int argc, char** argv)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
-        exit(1);
+        exit(EXIT_FAILURE);
     }
 
     for (;;)
@@ -131,7 +129,7 @@ int main(int argc, char** argv)
         if (!open_window(640, 480, (count & 1) ? GLFW_FULLSCREEN : GLFW_WINDOWED))
         {
             glfwTerminate();
-            exit(1);
+            exit(EXIT_FAILURE);
         }
 
         glMatrixMode(GL_PROJECTION);
@@ -163,7 +161,7 @@ int main(int argc, char** argv)
                 printf("User closed window\n");
 
                 glfwTerminate();
-                exit(0);
+                exit(EXIT_SUCCESS);
             }
         }
 

tests/tearing.c

@@ -46,8 +46,8 @@ int main(void)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
-        exit(1);
+        exit(EXIT_FAILURE);
     }
 
     window = glfwOpenWindow(0, 0, GLFW_WINDOWED);
@@ -55,8 +55,8 @@ int main(void)
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to open GLFW window\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
-        exit(1);
+        exit(EXIT_FAILURE);
     }
 
     glfwSetWindowTitle(window, "Tearing Detector");
@@ -82,6 +82,6 @@ int main(void)
     }
 
     glfwTerminate();
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
 

tests/version.c

@@ -58,7 +58,7 @@ typedef const GLubyte * (APIENTRY *PFNGLGETSTRINGI) (GLenum, GLuint);
 
 static void usage(void)
 {
-    printf("version [-h] [-m MAJOR] [-n MINOR] [-d] [-l] [-f] [-p PROFILE]\n");
+    printf("Usage: version [-h] [-m MAJOR] [-n MINOR] [-d] [-l] [-f] [-p PROFILE]\n");
     printf("available profiles: core compat\n");
 }
 
@@ -85,7 +85,7 @@ static void list_extensions(int major, int minor)
         PFNGLGETSTRINGI glGetStringi = (PFNGLGETSTRINGI) glfwGetProcAddress("glGetStringi");
         if (!glGetStringi)
         {
-            fprintf(stderr, "Failed to retrieve glGetStringi entry point");
+            fprintf(stderr, "Failed to retrieve glGetStringi entry point: %s\n", glfwErrorString(glfwGetError()));
             exit(EXIT_FAILURE);
         }
 
@@ -161,7 +161,7 @@ int main(int argc, char** argv)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 
@@ -187,7 +187,7 @@ int main(int argc, char** argv)
     {
         glfwTerminate();
 
-        fprintf(stderr, "Failed to open GLFW window\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }
 

tests/windows.c

@@ -45,7 +45,7 @@ static GLFWwindow open_window(int width, int height, const char* title)
     GLFWwindow window = glfwOpenWindow(width, height, GLFW_WINDOWED);
     if (!window)
     {
-        fprintf(stderr, "Failed to open GLFW default window\n");
+        fprintf(stderr, "Failed to initialize GLFW: %s\n", glfwErrorString(glfwGetError()));
         return NULL;
     }
 
@@ -62,7 +62,7 @@ int main(void)
 
     if (!glfwInit())
     {
-        fprintf(stderr, "Failed to initialize GLFW\n");
+        fprintf(stderr, "Failed to open GLFW window: %s\n", glfwErrorString(glfwGetError()));
         exit(EXIT_FAILURE);
     }