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add grub_env_set_net_property function

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* grub-core/net/bootp.c: Remove set_env_limn_ro.
* grub-core/net/net.c: Add grub_env_set_net_property.
* include/grub/net.h: Likewise.
This commit is contained in:
Paulo Flabiano Smorigo 2014-02-04 18:41:38 -02:00
parent 006c78f378
commit e4dbf247b6
4 changed files with 66 additions and 47 deletions
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38
grub-core/net/net.c
View file

@ -1480,6 +1480,44 @@ receive_packets (struct grub_net_card *card, int *stop_condition)
grub_print_error ();
}
static char *
grub_env_write_readonly (struct grub_env_var *var __attribute__ ((unused)),
const char *val __attribute__ ((unused)))
{
return NULL;
}
grub_err_t
grub_env_set_net_property (const char *intername, const char *suffix,
const char *value, grub_size_t len)
{
char *varname, *varvalue;
char *ptr;
varname = grub_xasprintf ("net_%s_%s", intername, suffix);
if (!varname)
return grub_errno;
for (ptr = varname; *ptr; ptr++)
if (*ptr == ':')
*ptr = '_';
varvalue = grub_malloc (len + 1);
if (!varvalue)
{
grub_free (varname);
return grub_errno;
}
grub_memcpy (varvalue, value, len);
varvalue[len] = 0;
grub_err_t ret = grub_env_set (varname, varvalue);
grub_register_variable_hook (varname, 0, grub_env_write_readonly);
grub_env_export (varname);
grub_free (varname);
grub_free (varvalue);
return ret;
}
void
grub_net_poll_cards (unsigned time, int *stop_condition)
{