e2fsprogs/e2fsprogs-1.41.1-splash_support.patch

Index: e2fsck/Makefile.in
===================================================================
--- e2fsck/Makefile.in.orig
+++ e2fsck/Makefile.in
@@ -68,7 +68,7 @@ OBJS= crc32.o dict.o unix.o e2fsck.o sup
 	pass3.o pass4.o pass5.o journal.o badblocks.o util.o dirinfo.o \
 	dx_dirinfo.o ehandler.o problem.o message.o quota.o recovery.o \
 	region.o revoke.o ea_refcount.o rehash.o profile.o prof_err.o \
-	logfile.o sigcatcher.o $(MTRACE_OBJ)
+	logfile.o sigcatcher.o splash.o $(MTRACE_OBJ)
 
 PROFILED_OBJS= profiled/dict.o profiled/unix.o profiled/e2fsck.o \
 	profiled/super.o profiled/pass1.o profiled/pass1b.o \
@@ -107,6 +107,7 @@ SRCS= $(srcdir)/e2fsck.c \
 	$(srcdir)/rehash.c \
 	$(srcdir)/region.c \
 	$(srcdir)/profile.c \
+	$(srcdir)/splash.c \
 	$(srcdir)/sigcatcher.c \
 	$(srcdir)/logfile.c \
 	prof_err.c \
@@ -539,6 +540,7 @@ region.o: $(srcdir)/region.c $(top_build
  $(srcdir)/profile.h prof_err.h $(top_srcdir)/lib/quota/mkquota.h \
  $(top_srcdir)/lib/quota/quotaio.h $(top_srcdir)/lib/quota/dqblk_v2.h \
  $(top_srcdir)/lib/quota/quotaio_tree.h $(top_srcdir)/lib/../e2fsck/dict.h
+splash.o: $(srcdir)/splash.c $(srcdir)/splash.h
 profile.o: $(srcdir)/profile.c $(top_builddir)/lib/config.h \
  $(top_builddir)/lib/dirpaths.h $(top_srcdir)/lib/et/com_err.h \
  $(srcdir)/profile.h prof_err.h
Index: e2fsck/splash.c
===================================================================
--- /dev/null
+++ e2fsck/splash.c
@@ -0,0 +1,100 @@
+/*
+ * add support for switching the splash screen on boot
+ */
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include "splash.h"
+
+static int verbose = 0;
+
+/* nop implementation
+ */
+static void nop(void)
+{
+}
+
+static struct splash_ops nop_ops = {
+	.splash_on = nop,
+	.splash_off = nop
+};
+
+/*
+ *  bootsplash implementation
+ */
+#define BOOTSPLASH_CTL	"/proc/splash"
+
+static int bootsplash_exists(void)
+{
+	struct stat sb;
+
+	if (stat(BOOTSPLASH_CTL, &sb) == -1)
+		return 0;
+
+	if (S_ISREG(sb.st_mode))
+		return 1;
+
+	return 0;
+}
+
+/* write msg to splash control */
+static void bootsplash_msg(const char *msg, size_t size)
+{
+	int fd;
+	size_t written;
+
+	fd = open(BOOTSPLASH_CTL, O_WRONLY);
+	if (fd == -1) {
+		if (verbose)
+			printf("cannot open %s\n", BOOTSPLASH_CTL);
+		return;
+	}
+
+	written = write(fd, msg, size);
+	if (written != size) {
+		if (verbose)
+			printf("size = %zd, written = %zd\n", size, written);
+	}
+
+	close(fd);
+}
+
+static void bootsplash_on(void)
+{
+	if (verbose)
+		printf("setting bootsplash silent\n");
+	bootsplash_msg("silent\n", 7);
+}
+
+static void bootsplash_off(void)
+{
+	if (verbose)
+		printf("setting bootsplash verbose\n");
+	bootsplash_msg("verbose\n", 8);
+}
+
+static struct splash_ops bootsplash_ops = {
+	.splash_on = bootsplash_on,
+	.splash_off = bootsplash_off
+};
+
+/*
+ * Initialisation
+ */
+void splash_init(struct splash_ops **ops)
+{
+	if (bootsplash_exists())
+		*ops = &bootsplash_ops;
+	else
+		*ops = &nop_ops;
+}
+
+void splash_set_verbose(void)
+{
+	verbose = 1;
+}
+
Index: e2fsck/splash.h
===================================================================
--- /dev/null
+++ e2fsck/splash.h
@@ -0,0 +1,13 @@
+#ifndef _SPLASH_H
+#define _SPLASH_H
+
+struct splash_ops {
+	void (*splash_on)(void);
+	void (*splash_off)(void);
+};
+
+void splash_init(struct splash_ops **ops);
+void splash_set_verbose(void);
+
+#endif /* _SPLASH_H */
+
Index: e2fsck/unix.c
===================================================================
--- e2fsck/unix.c.orig
+++ e2fsck/unix.c
@@ -51,6 +51,7 @@ extern int optind;
 #include "e2p/e2p.h"
 #include "e2fsck.h"
 #include "problem.h"
+#include "splash.h"
 #include "../version.h"
 
 /* Command line options */
@@ -1165,6 +1166,7 @@ int main (int argc, char *argv[])
 	e2fsck_t	ctx;
 	blk_t		orig_superblock;
 	struct problem_context pctx;
+	struct splash_ops *sops;
 	int flags, run_result;
 	int journal_size;
 	int sysval, sys_page_size = 4096;
@@ -1203,6 +1205,7 @@ int main (int argc, char *argv[])
 		exit(FSCK_ERROR);
 	}
 	reserve_stdio_fds();
+	splash_init(&sops);
 
 	set_up_logging(ctx);
 	if (ctx->logf) {
@@ -1577,6 +1580,7 @@ print_unsupp_features:
 		fatal_error(ctx, 0);
 	check_if_skip(ctx);
 	check_resize_inode(ctx);
+	sops->splash_off();
 	if (bad_blocks_file)
 		read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
 	else if (cflag)