more minor warning cleanups and improve error reporting if text fails to save.

source/blender/blenkernel/intern/seqeffects.c

@@ -2373,7 +2373,7 @@ static void RVBlurBitmap2_float ( float* map, int width,int height,
 	/*	Blancmange (bmange@airdmhor.gen.nz) */
 
 	k = -1.0f/(2.0f*(float)M_PI*blur*blur);
-	fval=0;
+
 	for (ix = 0;ix< halfWidth;ix++){
 		weight = (float)exp(k*(ix*ix));
 		filter[halfWidth - ix] = weight;

source/blender/blenkernel/intern/text.c

@@ -1423,6 +1423,8 @@ void txt_insert_buf(Text *text, const char *in_buffer)
 	}
 
 	undoing= u;
+
+	(void)count;
 }
 
 /******************/

source/blender/editors/armature/editarmature.c

@@ -1478,10 +1478,8 @@ static int armature_select_linked_invoke(bContext *C, wmOperator *op, wmEvent *e
 	bArmature *arm;
 	EditBone *bone, *curBone, *next;
 	int extend= RNA_boolean_get(op->ptr, "extend");
-	ARegion *ar;
 	Object *obedit= CTX_data_edit_object(C);
 	arm= obedit->data;
-	ar= CTX_wm_region(C);
 
 	view3d_operator_needs_opengl(C);
 

source/blender/editors/space_node/node_draw.c

@@ -781,14 +781,15 @@ static void node_draw_basis(const bContext *C, ARegion *ar, SpaceNode *snode, bN
 					 iconbutw, UI_UNIT_Y, NULL, 0.0, 0.0, 1.0, 0.5, "");
 	}
 	{	/* always hide/reveal unused sockets */ 
-		int shade;
+		// XXX re-enable
+		/* int shade;
+		if(node_has_hidden_sockets(node))
+			shade= -40;
+		else
+			shade= -90; */
 
 		iconofs-=iconbutw;
-		// XXX re-enable
-		/*if(node_has_hidden_sockets(node))
-			shade= -40;
-		else*/
-			shade= -90;
+
 		uiDefIconBut(node->block, LABEL, B_REDR, ICON_PLUS, iconofs, rct->ymax-NODE_DY,
 						  iconbutw, UI_UNIT_Y, NULL, 0.0, 0.0, 1.0, 0.5, "");
 	}

source/blender/editors/space_sequencer/sequencer_add.c

@@ -303,7 +303,7 @@ static int sequencer_add_generic_strip_exec(bContext *C, wmOperator *op, SeqLoad
 	Scene *scene= CTX_data_scene(C); /* only for sound */
 	Editing *ed= seq_give_editing(scene, TRUE);
 	SeqLoadInfo seq_load;
-	Sequence *seq;
+	/* Sequence *seq; */ /* UNUSED */
 	int tot_files;
 
 	seq_load_operator_info(&seq_load, op);
@@ -324,13 +324,13 @@ static int sequencer_add_generic_strip_exec(bContext *C, wmOperator *op, SeqLoad
 			RNA_string_get(&itemptr, "name", file_only);
 			BLI_join_dirfile(seq_load.path, sizeof(seq_load.path), dir_only, file_only);
 
-			seq= seq_load_func(C, ed->seqbasep, &seq_load);
+			/* seq= */ seq_load_func(C, ed->seqbasep, &seq_load);
 		}
 		RNA_END;
 	}
 	else {
 		/* single file */
-		seq= seq_load_func(C, ed->seqbasep, &seq_load);
+		/* seq= */ seq_load_func(C, ed->seqbasep, &seq_load);
 	}
 
 	if (seq_load.tot_success==0) {

source/blender/editors/space_text/text_ops.c

@@ -36,6 +36,7 @@
 #include <string.h>
 #include <ctype.h> /* ispunct */
 #include <sys/stat.h>
+#include <errno.h>
 
 #include "MEM_guardedalloc.h"
 
@@ -449,15 +450,14 @@ static void txt_write_file(Text *text, ReportList *reports)
 	FILE *fp;
 	TextLine *tmp;
 	struct stat st;
-	int res;
-	char file[FILE_MAXDIR+FILE_MAXFILE];
+	char filepath[FILE_MAXDIR+FILE_MAXFILE];
 	
-	BLI_strncpy(file, text->name, FILE_MAXDIR+FILE_MAXFILE);
-	BLI_path_abs(file, G.main->name);
+	BLI_strncpy(filepath, text->name, FILE_MAXDIR+FILE_MAXFILE);
+	BLI_path_abs(filepath, G.main->name);
 	
-	fp= fopen(file, "w");
+	fp= fopen(filepath, "w");
 	if(fp==NULL) {
-		BKE_report(reports, RPT_ERROR, "Unable to save file.");
+		BKE_reportf(reports, RPT_ERROR, "Unable to save \"%s\": %s.", filepath, errno ? strerror(errno) : "Unknown error writing file");
 		return;
 	}
 
@@ -471,8 +471,13 @@ static void txt_write_file(Text *text, ReportList *reports)
 	
 	fclose (fp);
 
-	res= stat(file, &st);
-	text->mtime= st.st_mtime;
+	if(stat(filepath, &st) == 0) {
+		text->mtime= st.st_mtime;
+	}
+	else {
+		text->mtime= 0;
+		BKE_reportf(reports, RPT_WARNING, "Unable to stat \"%s\": %s.", filepath, errno ? strerror(errno) : "Unknown error starrng file");
+	}
 	
 	if(text->flags & TXT_ISDIRTY)
 		text->flags ^= TXT_ISDIRTY;

source/blender/gpu/intern/gpu_material.c

@@ -671,7 +671,7 @@ static void shade_one_light(GPUShadeInput *shi, GPUShadeResult *shr, GPULamp *la
 	i = is;
 	GPU_link(mat, "shade_visifac", i, visifac, shi->refl, &i);
 
-	vn = shi->vn;
+
 	/*if(ma->mode & MA_TANGENT_VN)
 		GPU_link(mat, "shade_tangent_v_spec", GPU_attribute(CD_TANGENT, ""), &vn);*/