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Move file loading functions to grub-emu. 

So that we can use it in grub-emu as well as utils.
This commit is contained in:
Vladimir Serbinenko 2016-01-05 12:49:12 +01:00
parent f2b54835f2
commit 3f430a0126
2 changed files with 48 additions and 48 deletions
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48
grub-core/kern/emu/misc.c
View File

@ -149,3 +149,51 @@ grub_get_time_ms (void)
return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
}
size_t
grub_util_get_image_size (const char *path)
{
FILE *f;
size_t ret;
off_t sz;
f = grub_util_fopen (path, "rb");
if (!f)
grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
fseeko (f, 0, SEEK_END);
sz = ftello (f);
if (sz < 0)
grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
if (sz != (size_t) sz)
grub_util_error (_("file `%s' is too big"), path);
ret = (size_t) sz;
fclose (f);
return ret;
}
void
grub_util_load_image (const char *path, char *buf)
{
FILE *fp;
size_t size;
grub_util_info ("reading %s", path);
size = grub_util_get_image_size (path);
fp = grub_util_fopen (path, "rb");
if (! fp)
grub_util_error (_("cannot open `%s': %s"), path,
strerror (errno));
if (fread (buf, 1, size, fp) != size)
grub_util_error (_("cannot read `%s': %s"), path,
strerror (errno));
fclose (fp);
}

48
util/misc.c
View File

@ -74,32 +74,6 @@ grub_util_get_path (const char *dir, const char *file)
return path;
}
size_t
grub_util_get_image_size (const char *path)
{
FILE *f;
size_t ret;
off_t sz;
f = grub_util_fopen (path, "rb");
if (!f)
grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
fseeko (f, 0, SEEK_END);
sz = ftello (f);
if (sz < 0)
grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
if (sz != (size_t) sz)
grub_util_error (_("file `%s' is too big"), path);
ret = (size_t) sz;
fclose (f);
return ret;
}
char *
grub_util_read_image (const char *path)
{
@ -126,28 +100,6 @@ grub_util_read_image (const char *path)
return img;
}
void
grub_util_load_image (const char *path, char *buf)
{
FILE *fp;
size_t size;
grub_util_info ("reading %s", path);
size = grub_util_get_image_size (path);
fp = grub_util_fopen (path, "rb");
if (! fp)
grub_util_error (_("cannot open `%s': %s"), path,
strerror (errno));
if (fread (buf, 1, size, fp) != size)
grub_util_error (_("cannot read `%s': %s"), path,
strerror (errno));
fclose (fp);
}
void
grub_util_write_image_at (const void *img, size_t size, off_t offset, FILE *out,
const char *name)