fix [#26803] Libs paths are case sensitive in windows

use case insensitive path comparison on windows: BLI_path_cmp

source/blender/blenfont/intern/blf_dir.c

@@ -60,7 +60,7 @@ static DirBLF *blf_dir_find(const char *path)
 	
 	p= global_font_dir.first;
 	while (p) {
-		if (!strcmp(p->path, path))
+		if (BLI_path_cmp(p->path, path) == 0)
 			return(p);
 		p= p->next;
 	}

source/blender/blenlib/BLI_path_util.h

@@ -158,9 +158,16 @@ int BLI_path_abs(char *path, const char *basepath);
 int BLI_path_frame(char *path, int frame, int digits);
 int BLI_path_frame_range(char *path, int sta, int end, int digits);
 int BLI_path_cwd(char *path);
-
 void BLI_path_rel(char *file, const char *relfile);
 
+#ifdef WIN32
+#  define BLI_path_cmp BLI_strcasecmp
+#  define BLI_path_ncmp BLI_strncasecmp
+#else
+#  define BLI_path_cmp strcmp
+#  define BLI_path_ncmp strncmp
+#endif
+
 	/**
 	 * Change every @a from in @a string into @a to. The
 	 * result will be in @a string

source/blender/blenlib/intern/path_util.c

@@ -1481,7 +1481,7 @@ int BKE_rebase_path(char *abs, int abs_size, char *rel, int rel_size, const char
 	if (!strncmp(path, blend_dir, len)) {
 
 		/* if image is _in_ current .blend file directory */
-		if (!strcmp(dir, blend_dir)) {
+		if (BLI_path_cmp(dir, blend_dir) == 0) {
 			BLI_join_dirfile(dest_path, sizeof(dest_path), dest_dir, base);
 		}
 		/* "below" */
@@ -1508,7 +1508,7 @@ int BKE_rebase_path(char *abs, int abs_size, char *rel, int rel_size, const char
 	}
 
 	/* return 2 if src=dest */
-	if (!strcmp(path, dest_path)) {
+	if (BLI_path_cmp(path, dest_path) == 0) {
 		// if (G.f & G_DEBUG) printf("%s and %s are the same file\n", path, dest_path);
 		return 2;
 	}

source/blender/blenloader/intern/readfile.c

@@ -500,7 +500,7 @@ static Main *blo_find_main(FileData *fd, ListBase *mainlist, const char *name, c
 	for (m= mainlist->first; m; m= m->next) {
 		char *libname= (m->curlib)?m->curlib->filepath:m->name;
 		
-		if (BLI_streq(name1, libname)) {
+		if (BLI_path_cmp(name1, libname) == 0) {
 			if(G.f & G_DEBUG) printf("blo_find_main: found library %s\n", libname);
 			return m;
 		}
@@ -5449,7 +5449,7 @@ static void direct_link_library(FileData *fd, Library *lib, Main *main)
 	
 	for(newmain= fd->mainlist.first; newmain; newmain= newmain->next) {
 		if(newmain->curlib) {
-			if(strcmp(newmain->curlib->filepath, lib->filepath)==0) {
+			if(BLI_path_cmp(newmain->curlib->filepath, lib->filepath) == 0) {
 				printf("Fixed error in file; multiple instances of lib:\n %s\n", lib->filepath);
 				BKE_reportf(fd->reports, RPT_WARNING, "Library '%s', '%s' had multiple instances, save and reload!", lib->name, lib->filepath);
 

source/blender/blenloader/intern/writefile.c

@@ -2547,7 +2547,7 @@ int BLO_write_file(Main *mainvar, char *dir, int write_flags, ReportList *report
 	}
 
 	BLI_make_file_string(G.main->name, userfilename, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
-	write_user_block= BLI_streq(dir, userfilename);
+	write_user_block= (BLI_path_cmp(dir, userfilename) == 0);
 
 	if(write_flags & G_FILE_RELATIVE_REMAP)
 		makeFilesRelative(mainvar, dir, NULL); /* note, making relative to something OTHER then G.main->name */

source/blender/editors/gpencil/gpencil_buttons.c

@@ -73,8 +73,9 @@
 /* make layer active one after being clicked on */
 static void gp_ui_activelayer_cb (bContext *C, void *gpd, void *gpl)
 {
+	/* make sure the layer we want to remove is the active one */
 	gpencil_layer_setactive(gpd, gpl);
-	
+
 	WM_event_add_notifier(C, NC_SCREEN|ND_GPENCIL|NA_EDITED, NULL); // XXX please work!
 }
 
@@ -88,13 +89,7 @@ static void gp_ui_dellayer_cb (bContext *C, void *gpd, void *gpl)
 	WM_event_add_notifier(C, NC_SCREEN|ND_GPENCIL|NA_EDITED, NULL); // XXX please work!
 }
 
-static void gp_ui_actlayer_cb (bContext *C, void *gpd, void *gpl)
-{
-	/* make sure the layer we want to remove is the active one */
-	gpencil_layer_setactive(gpd, gpl);
 
-	WM_event_add_notifier(C, NC_SCREEN|ND_GPENCIL|NA_EDITED, NULL); // XXX please work!
-}
 
 /* ------- Drawing Code ------- */
 

source/blender/editors/interface/interface_icons.c

@@ -686,7 +686,7 @@ int UI_iconfile_get_index(const char *filename)
 	ListBase *list=&(iconfilelist);
 	
 	for(ifile=list->first; ifile; ifile=ifile->next) {
-		if ( BLI_streq(filename, ifile->filename)) {
+		if (BLI_path_cmp(filename, ifile->filename) == 0) {
 			return ifile->index;
 		}
 	}

source/blender/editors/space_file/file_panels.c

@@ -101,7 +101,7 @@ static void file_panel_category(const bContext *C, Panel *pa, FSMenuCategory cat
 		
 		/* set this list item as active if we have a match */
 		if(sfile->params) {
-			if(strcmp(sfile->params->dir, entry) == 0) {
+			if(BLI_path_cmp(sfile->params->dir, entry) == 0) {
 				*nr= i;
 			}
 		}

source/blender/editors/space_file/filelist.c

@@ -459,7 +459,7 @@ int folderlist_clear_next(struct SpaceFile *sfile)
 
 	// if previous_folder, next_folder or refresh_folder operators are executed it doesn't clear folder_next
 	folder = sfile->folders_prev->last;
-	if ((!folder) ||(!strcmp(folder->foldername, sfile->params->dir)))
+	if ((!folder) ||(BLI_path_cmp(folder->foldername, sfile->params->dir) == 0))
 		return 0;
 
 	// eventually clear flist->folders_next
@@ -697,7 +697,7 @@ int filelist_find(struct FileList* filelist, char *file)
 
 	
 	for (i = 0; i < filelist->numfiles; ++i) {
-		if ( strcmp(filelist->filelist[i].relname, file) == 0) {
+		if ( strcmp(filelist->filelist[i].relname, file) == 0) { /* not dealing with user input so dont need BLI_path_cmp */
 			index = i;
 			break;
 		}
@@ -880,7 +880,7 @@ static void filelist_read_library(struct FileList* filelist)
 				strcat(name, file->relname);
 				
 				/* prevent current file being used as acceptable dir */
-				if (BLI_streq(G.main->name, name)==0) {
+				if (BLI_path_cmp(G.main->name, name) != 0) {
 					file->type &= ~S_IFMT;
 					file->type |= S_IFDIR;
 				}

source/blender/editors/space_file/fsmenu.c

@@ -173,9 +173,11 @@ void fsmenu_insert_entry(struct FSMenu* fsmenu, FSMenuCategory category, const c
 
 	for (; fsme; prev= fsme, fsme= fsme->next) {
 		if (fsme->path) {
-			if (BLI_streq(path, fsme->path)) {
+			const int cmp_ret= BLI_path_cmp(path, fsme->path);
+			if (cmp_ret == 0) {
 				return;
-			} else if (sorted && strcmp(path, fsme->path)<0) {
+			}
+			else if (sorted && cmp_ret < 0) {
 				break;
 			}
 		} else {

source/blender/imbuf/intern/thumbs.c

@@ -281,7 +281,7 @@ ImBuf* IMB_thumb_create(const char* path, ThumbSize size, ThumbSource source, Im
 		BLI_snprintf(tpath, FILE_MAX, "%s%s", tdir, thumb);
 		thumb[8] = '\0'; /* shorten for tempname, not needed anymore */
 		BLI_snprintf(temp, FILE_MAX, "%sblender_%d_%s.png", tdir, abs(getpid()), thumb);
-		if (strncmp(path, tdir, strlen(tdir)) == 0) {
+		if (BLI_path_ncmp(path, tdir, sizeof(tdir)) == 0) {
 			return NULL;
 		}
 		if (size == THB_FAIL) {
@@ -387,7 +387,7 @@ void IMB_thumb_delete(const char* path, ThumbSize size)
 		return;
 	}
 	if (thumbpath_from_uri(uri, thumb, sizeof(thumb), size)) {
-		if (strncmp(path, thumb, strlen(thumb)) == 0) {
+		if (BLI_path_ncmp(path, thumb, sizeof(thumb)) == 0) {
 			return;
 		}
 		if (BLI_exists(thumb)) {
@@ -419,7 +419,7 @@ ImBuf* IMB_thumb_manage(const char* path, ThumbSize size, ThumbSource source)
 	}
 
 	if (thumbpath_from_uri(uri, thumb, sizeof(thumb), size)) {
-		if (strncmp(path, thumb, strlen(thumb)) == 0) {
+		if (BLI_path_ncmp(path, thumb, sizeof(thumb)) == 0) {
 			img = IMB_loadiffname(path, IB_rect);
 		} else {
 			img = IMB_loadiffname(thumb, IB_rect | IB_metadata);

source/blender/makesdna/intern/dna_genfile.c

@@ -194,7 +194,7 @@ int DNA_elem_array_size(const char *astr, int len)
 void DNA_sdna_free(SDNA *sdna)
 {
 	MEM_freeN(sdna->data);
-	MEM_freeN(sdna->names);
+	MEM_freeN((void *)sdna->names);
 	MEM_freeN(sdna->types);
 	MEM_freeN(sdna->structs);
 	

source/blender/python/intern/bpy.c

@@ -115,7 +115,7 @@ static PyObject *bpy_blend_paths(PyObject *UNUSED(self), PyObject *args, PyObjec
 		}
 		else {
 			lib= BLI_bpathIterator_getLib(bpi);
-			if (lib && (strcmp(lib, BLI_bpathIterator_getBasePath(bpi)))) { /* relative path to the library is NOT the same as our blendfile path, return an absolute path */
+			if (lib && (BLI_path_cmp(lib, BLI_bpathIterator_getBasePath(bpi)))) { /* relative path to the library is NOT the same as our blendfile path, return an absolute path */
 				BLI_bpathIterator_getPathExpanded(bpi, filepath_expanded);
 			}
 			else {

source/blender/windowmanager/intern/wm_files.c

@@ -510,7 +510,7 @@ static void write_history(void)
 
 	recent = G.recent_files.first;
 	/* refresh recent-files.txt of recent opened files, when current file was changed */
-	if(!(recent) || (strcmp(recent->filepath, G.main->name)!=0)) {
+	if(!(recent) || (BLI_path_cmp(recent->filepath, G.main->name)!=0)) {
 		fp= fopen(name, "w");
 		if (fp) {
 			/* add current file to the beginning of list */
@@ -524,7 +524,7 @@ static void write_history(void)
 			/* write rest of recent opened files to recent-files.txt */
 			while((i<U.recent_files) && (recent)){
 				/* this prevents to have duplicities in list */
-				if (strcmp(recent->filepath, G.main->name)!=0) {
+				if (BLI_path_cmp(recent->filepath, G.main->name)!=0) {
 					fprintf(fp, "%s\n", recent->filepath);
 					recent = recent->next;
 				}
@@ -656,7 +656,7 @@ int WM_write_file(bContext *C, const char *target, int fileflags, ReportList *re
 	
 	/* send the OnSave event */
 	for (li= G.main->library.first; li; li= li->id.next) {
-		if (strcmp(li->filepath, di) == 0) {
+		if (BLI_path_cmp(li->filepath, di) == 0) {
 			BKE_reportf(reports, RPT_ERROR, "Can't overwrite used library '%.200s'", di);
 			return -1;
 		}

source/blender/windowmanager/intern/wm_keymap.c

@@ -104,7 +104,7 @@ wmKeyConfig *WM_keyconfig_new_user(wmWindowManager *wm, const char *idname)
 void WM_keyconfig_remove(wmWindowManager *wm, wmKeyConfig *keyconf)
 {
 	if (keyconf) {
-		if (BLI_streq(U.keyconfigstr, keyconf->idname)) {
+		if (strncmp(U.keyconfigstr, keyconf->idname, sizeof(U.keyconfigstr)) == 0) {
 			BLI_strncpy(U.keyconfigstr, wm->defaultconf->idname, sizeof(U.keyconfigstr));
 		}
 

source/blender/windowmanager/intern/wm_operators.c

@@ -1133,8 +1133,8 @@ static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *UNUSED(ar
 	sprintf(revision_str, "r%s", build_rev);
 	
 	BLF_size(style->widgetlabel.uifont_id, style->widgetlabel.points, U.dpi);
-	ver_width = BLF_width(style->widgetlabel.uifont_id, version_str)+5;
-	rev_width = BLF_width(style->widgetlabel.uifont_id, revision_str)+5;
+	ver_width = (int)BLF_width(style->widgetlabel.uifont_id, version_str) + 5;
+	rev_width = (int)BLF_width(style->widgetlabel.uifont_id, revision_str) + 5;
 #endif //NAN_BUILDINFO
 
 	block= uiBeginBlock(C, ar, "_popup", UI_EMBOSS);
@@ -1522,7 +1522,7 @@ static int wm_link_append_exec(bContext *C, wmOperator *op)
 		BKE_report(op->reports, RPT_ERROR, "Nothing indicated");
 		return OPERATOR_CANCELLED;
 	}
-	else if(BLI_streq(bmain->name, libname)) {
+	else if(BLI_path_cmp(bmain->name, libname) == 0) {
 		BKE_report(op->reports, RPT_ERROR, "Cannot use current file as library");
 		return OPERATOR_CANCELLED;
 	}

source/gameengine/Converter/KX_BlenderSceneConverter.cpp

@@ -926,7 +926,7 @@ vector<Main*> &KX_BlenderSceneConverter::GetMainDynamic()
 Main* KX_BlenderSceneConverter::GetMainDynamicPath(const char *path)
 {
 	for (vector<Main*>::iterator it=m_DynamicMaggie.begin(); !(it==m_DynamicMaggie.end()); it++)
-		if(strcmp((*it)->name, path)==0)
+		if(BLI_path_cmp((*it)->name, path) == 0)
 			return *it;
 	
 	return NULL;