Constify gamma parameter to set_temperature() methods

src/colorramp.c

@@ -282,7 +282,7 @@ interpolate_color(float a, const float *c1, const float *c2, float *c)
 
 void
 colorramp_fill(uint16_t *gamma_r, uint16_t *gamma_g, uint16_t *gamma_b,
-	       int size, int temp, float brightness, float gamma[3])
+	       int size, int temp, float brightness, const float gamma[3])
 {
 	/* Approximate white point */
 	float white_point[3];

src/colorramp.h

@@ -23,6 +23,6 @@
 #include <stdint.h>
 
 void colorramp_fill(uint16_t *gamma_r, uint16_t *gamma_g, uint16_t *gamma_b,
-		    int size, int temp, float brightness, float gamma[3]);
+		    int size, int temp, float brightness, const float gamma[3]);
 
 #endif /* ! _REDSHIFT_COLORRAMP_H */

src/gamma-dummy.c

@@ -69,7 +69,7 @@ gamma_dummy_set_option(void *state, const char *key, const char *value)
 
 int
 gamma_dummy_set_temperature(void *state, int temp, float brightness,
-			    float gamma[3])
+			    const float gamma[3])
 {
 	printf(_("Temperature: %i\n"), temp);
 	return 0;

src/gamma-dummy.h

@@ -32,7 +32,7 @@ int gamma_dummy_set_option(void *state, const char *key, const char *value);
 
 void gamma_dummy_restore(void *state);
 int gamma_dummy_set_temperature(void *state, int temp, float brightness,
-				float gamma[3]);
+				const float gamma[3]);
 
 
 #endif /* ! _REDSHIFT_GAMMA_DUMMY_H */

src/gamma-randr.c

@@ -301,7 +301,7 @@ randr_set_option(randr_state_t *state, const char *key, const char *value)
 
 static int
 randr_set_temperature_for_crtc(randr_state_t *state, int crtc_num, int temp,
-			       float brightness, float gamma[3])
+			       float brightness, const float gamma[3])
 {
 	xcb_generic_error_t *error;
 	
@@ -356,7 +356,7 @@ randr_set_temperature_for_crtc(randr_state_t *state, int crtc_num, int temp,
 
 int
 randr_set_temperature(randr_state_t *state, int temp, float brightness,
-		      float gamma[3])
+		      const float gamma[3])
 {
 	int r;
 

src/gamma-randr.h

@@ -55,7 +55,7 @@ int randr_set_option(randr_state_t *state, const char *key, const char *value);
 
 void randr_restore(randr_state_t *state);
 int randr_set_temperature(randr_state_t *state, int temp, float brightness,
-			  float gamma[3]);
+			  const float gamma[3]);
 
 
 #endif /* ! _REDSHIFT_GAMMA_RANDR_H */

src/gamma-vidmode.c

@@ -170,7 +170,7 @@ vidmode_restore(vidmode_state_t *state)
 
 int
 vidmode_set_temperature(vidmode_state_t *state, int temp, float brightness,
-			float gamma[3])
+			const float gamma[3])
 {
 	int r;
 

src/gamma-vidmode.h

@@ -43,7 +43,7 @@ int vidmode_set_option(vidmode_state_t *state, const char *key,
 
 void vidmode_restore(vidmode_state_t *state);
 int vidmode_set_temperature(vidmode_state_t *state, int temp, float brightness,
-			    float gamma[3]);
+			    const float gamma[3]);
 
 
 #endif /* ! _REDSHIFT_GAMMA_VIDMODE_H */

src/gamma-w32gdi.c

@@ -130,7 +130,7 @@ w32gdi_restore(w32gdi_state_t *state)
 
 int
 w32gdi_set_temperature(w32gdi_state_t *state, int temp, float brightness,
-		       float gamma[3])
+		       const float gamma[3])
 {
 	BOOL r;
 

src/gamma-w32gdi.h

@@ -39,7 +39,7 @@ int w32gdi_set_option(w32gdi_state_t *state, const char *key,
 
 void w32gdi_restore(w32gdi_state_t *state);
 int w32gdi_set_temperature(w32gdi_state_t *state, int temp, float brightness,
-			   float gamma[3]);
+			   const float gamma[3]);
 
 
 #endif /* ! _REDSHIFT_GAMMA_W32GDI_H */

src/redshift.h

@@ -34,7 +34,7 @@ typedef int gamma_method_set_option_func(void *state, const char *key,
 typedef void gamma_method_restore_func(void *state);
 typedef int gamma_method_set_temperature_func(void *state, int temp,
 					      float brightness,
-					      float gamma[3]);
+					      const float gamma[3]);
 
 typedef struct {
 	char *name;