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grub2/0175-Remove-nested-functions-from-videoinfo-iterators.patch
Peter Jones f74b50e380 Rebase to upstream, fix a pile of bugs. The usual. 
Signed-off-by: Peter Jones <pjones@redhat.com>
2013-06-12 15:37:08 -04:00

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From 9b2828fc730a0d09ff5934a44bb0e25e7fdf06f2 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Fri, 1 Mar 2013 11:11:36 +0100
Subject: [PATCH 175/482] Remove nested functions from videoinfo
iterators.
---
ChangeLog | 4 ++++
grub-core/commands/videoinfo.c | 34 ++++++++++++++++++++--------------
grub-core/video/efi_gop.c | 23 ++++++++++++-----------
grub-core/video/i386/pc/vbe.c | 4 ++--
include/grub/video.h | 2 +-
5 files changed, 39 insertions(+), 28 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 3ca1fed..7f5bcfa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2013-03-01 Vladimir Serbinenko <phcoder@gmail.com>
+ Remove nested functions from videoinfo iterators.
+
+2013-03-01 Vladimir Serbinenko <phcoder@gmail.com>
+
* grub-core/loader/i386/pc/linux.c (grub_cmd_linux): Fix compilation
for 64-bit platforms.
diff --git a/grub-core/commands/videoinfo.c b/grub-core/commands/videoinfo.c
index 4a11576..7a75c9d 100644
--- a/grub-core/commands/videoinfo.c
+++ b/grub-core/commands/videoinfo.c
@@ -27,23 +27,28 @@
GRUB_MOD_LICENSE ("GPLv3+");
-static unsigned height, width, depth;
-static struct grub_video_mode_info *current_mode;
+struct hook_ctx
+{
+ unsigned height, width, depth;
+ struct grub_video_mode_info *current_mode;
+};
static int
-hook (const struct grub_video_mode_info *info)
+hook (const struct grub_video_mode_info *info, void *hook_arg)
{
- if (height && width && (info->width != width || info->height != height))
+ struct hook_ctx *ctx = hook_arg;
+
+ if (ctx->height && ctx->width && (info->width != ctx->width || info->height != ctx->height))
return 0;
- if (depth && info->bpp != depth)
+ if (ctx->depth && info->bpp != ctx->depth)
return 0;
if (info->mode_number == GRUB_VIDEO_MODE_NUMBER_INVALID)
grub_printf (" ");
else
{
- if (current_mode && info->mode_number == current_mode->mode_number)
+ if (ctx->current_mode && info->mode_number == ctx->current_mode->mode_number)
grub_printf ("*");
else
grub_printf (" ");
@@ -126,13 +131,14 @@ grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
{
grub_video_adapter_t adapter;
grub_video_driver_id_t id;
+ struct hook_ctx ctx;
- height = width = depth = 0;
+ ctx.height = ctx.width = ctx.depth = 0;
if (argc)
{
char *ptr;
ptr = args[0];
- width = grub_strtoul (ptr, &ptr, 0);
+ ctx.width = grub_strtoul (ptr, &ptr, 0);
if (grub_errno)
return grub_errno;
if (*ptr != 'x')
@@ -140,13 +146,13 @@ grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
N_("invalid video mode specification `%s'"),
args[0]);
ptr++;
- height = grub_strtoul (ptr, &ptr, 0);
+ ctx.height = grub_strtoul (ptr, &ptr, 0);
if (grub_errno)
return grub_errno;
if (*ptr == 'x')
{
ptr++;
- depth = grub_strtoul (ptr, &ptr, 0);
+ ctx.depth = grub_strtoul (ptr, &ptr, 0);
if (grub_errno)
return grub_errno;
}
@@ -175,12 +181,12 @@ grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
continue;
}
- current_mode = NULL;
+ ctx.current_mode = NULL;
if (adapter->id == id)
{
if (grub_video_get_info (&info) == GRUB_ERR_NONE)
- current_mode = &info;
+ ctx.current_mode = &info;
else
/* Don't worry about errors. */
grub_errno = GRUB_ERR_NONE;
@@ -198,14 +204,14 @@ grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
if (adapter->print_adapter_specific_info)
adapter->print_adapter_specific_info ();
- adapter->iterate (hook);
+ adapter->iterate (hook, &ctx);
if (adapter->get_edid && adapter->get_edid (&edid_info) == GRUB_ERR_NONE)
print_edid (&edid_info);
else
grub_errno = GRUB_ERR_NONE;
- current_mode = NULL;
+ ctx.current_mode = NULL;
if (adapter->id != id)
{
diff --git a/grub-core/video/efi_gop.c b/grub-core/video/efi_gop.c
index 37a0015..f73a278 100644
--- a/grub-core/video/efi_gop.c
+++ b/grub-core/video/efi_gop.c
@@ -42,7 +42,7 @@ static int restore_needed;
static grub_efi_handle_t gop_handle;
static int
-grub_video_gop_iterate (int (*hook) (const struct grub_video_mode_info *info));
+grub_video_gop_iterate (int (*hook) (const struct grub_video_mode_info *info, void *hook_arg), void *hook_arg);
static struct
{
@@ -52,6 +52,14 @@ static struct
grub_uint8_t *offscreen;
} framebuffer;
+static int
+check_protocol_hook (const struct grub_video_mode_info *info __attribute__ ((unused)), void *hook_arg)
+{
+ int *have_usable_mode = hook_arg;
+ *have_usable_mode = 1;
+ return 1;
+}
+
static int
check_protocol (void)
@@ -60,13 +68,6 @@ check_protocol (void)
grub_efi_uintn_t num_handles, i;
int have_usable_mode = 0;
- auto int hook (const struct grub_video_mode_info *info);
- int hook (const struct grub_video_mode_info *info __attribute__ ((unused)))
- {
- have_usable_mode = 1;
- return 1;
- }
-
handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL,
&graphics_output_guid, NULL, &num_handles);
if (!handles || num_handles == 0)
@@ -77,7 +78,7 @@ check_protocol (void)
gop_handle = handles[i];
gop = grub_efi_open_protocol (gop_handle, &graphics_output_guid,
GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- grub_video_gop_iterate (hook);
+ grub_video_gop_iterate (check_protocol_hook, &have_usable_mode);
if (have_usable_mode)
{
grub_free (handles);
@@ -256,7 +257,7 @@ grub_video_gop_fill_mode_info (unsigned mode,
}
static int
-grub_video_gop_iterate (int (*hook) (const struct grub_video_mode_info *info))
+grub_video_gop_iterate (int (*hook) (const struct grub_video_mode_info *info, void *hook_arg), void *hook_arg)
{
unsigned mode;
@@ -282,7 +283,7 @@ grub_video_gop_iterate (int (*hook) (const struct grub_video_mode_info *info))
grub_errno = GRUB_ERR_NONE;
continue;
}
- if (hook (&mode_info))
+ if (hook (&mode_info, hook_arg))
return 1;
}
return 0;
diff --git a/grub-core/video/i386/pc/vbe.c b/grub-core/video/i386/pc/vbe.c
index 81e5a8e..e8a8c7a 100644
--- a/grub-core/video/i386/pc/vbe.c
+++ b/grub-core/video/i386/pc/vbe.c
@@ -952,7 +952,7 @@ vbe2videoinfo (grub_uint32_t mode,
}
static int
-grub_video_vbe_iterate (int (*hook) (const struct grub_video_mode_info *info))
+grub_video_vbe_iterate (int (*hook) (const struct grub_video_mode_info *info, void *hook_arg), void *hook_arg)
{
grub_uint16_t *p;
struct grub_vbe_mode_info_block vbe_mode_info;
@@ -969,7 +969,7 @@ grub_video_vbe_iterate (int (*hook) (const struct grub_video_mode_info *info))
}
vbe2videoinfo (*p, &vbe_mode_info, &mode_info);
- if (hook (&mode_info))
+ if (hook (&mode_info, hook_arg))
return 1;
}
return 0;
diff --git a/include/grub/video.h b/include/grub/video.h
index 08f7300..9fe4783 100644
--- a/include/grub/video.h
+++ b/include/grub/video.h
@@ -372,7 +372,7 @@ struct grub_video_adapter
grub_err_t (*get_active_render_target) (struct grub_video_render_target **target);
- int (*iterate) (int (*hook) (const struct grub_video_mode_info *info));
+ int (*iterate) (int (*hook) (const struct grub_video_mode_info *info, void *hook_arg), void *hook_arg);
grub_err_t (*get_edid) (struct grub_video_edid_info *edid_info);
--
1.8.2.1
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