37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
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Index: grub-2.02~beta2/util/editenv.c
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===================================================================
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--- grub-2.02~beta2.orig/util/editenv.c
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+++ grub-2.02~beta2/util/editenv.c
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@@ -30,12 +30,14 @@
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#include <string.h>
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#define DEFAULT_ENVBLK_SIZE 1024
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+#define GRUB_ENVBLK_MESSAGE "# WARNING: Do not edit this file other than by grub2-editenv\n"
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void
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grub_util_create_envblk_file (const char *name)
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{
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FILE *fp;
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char *buf;
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+ char *pbuf;
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char *namenew;
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buf = xmalloc (DEFAULT_ENVBLK_SIZE);
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@@ -46,9 +48,13 @@ grub_util_create_envblk_file (const char
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grub_util_error (_("cannot open `%s': %s"), namenew,
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strerror (errno));
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- memcpy (buf, GRUB_ENVBLK_SIGNATURE, sizeof (GRUB_ENVBLK_SIGNATURE) - 1);
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- memset (buf + sizeof (GRUB_ENVBLK_SIGNATURE) - 1, '#',
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- DEFAULT_ENVBLK_SIZE - sizeof (GRUB_ENVBLK_SIGNATURE) + 1);
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+ pbuf = buf;
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+ memcpy (pbuf, GRUB_ENVBLK_SIGNATURE, sizeof (GRUB_ENVBLK_SIGNATURE) - 1);
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+ pbuf += sizeof (GRUB_ENVBLK_SIGNATURE) - 1;
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+ memcpy (pbuf, GRUB_ENVBLK_MESSAGE, sizeof (GRUB_ENVBLK_MESSAGE) - 1);
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+ pbuf += sizeof (GRUB_ENVBLK_MESSAGE) - 1;
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+ memset (pbuf , '#',
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+ DEFAULT_ENVBLK_SIZE - sizeof (GRUB_ENVBLK_SIGNATURE) - sizeof (GRUB_ENVBLK_MESSAGE) + 2);
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if (fwrite (buf, 1, DEFAULT_ENVBLK_SIZE, fp) != DEFAULT_ENVBLK_SIZE)
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grub_util_error (_("cannot write to `%s': %s"), namenew,
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