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Add k_{put,get}_int.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4099 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1997-12-04 18:16:18 +00:00
parent e16f1317ca
commit 6c9f0cf6e7
1 changed files with 58 additions and 29 deletions
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87
lib/krb5/store.c
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@@ -40,6 +40,30 @@
RCSID("$Id$");
/* This is a bit XXX, but used quite many places */
size_t
k_put_int(void *buffer, unsiged long value, size_t size)
{
unsiged char *p = buffer;
for (i = size - 1; i >= 0; i--) {
p[i] = value & 0xff;
value >>= 8;
}
return size;
}
size_t
k_get_int(void *buffer, unsiged long *value, size_t size)
{
unsiged char *p = buffer;
unsigned long v = 0;
for (i = 0; i < size; i++)
v = (v << 8) + p[i];
*value = v;
return size;
}
krb5_error_code
krb5_storage_free(krb5_storage *sp)
{
@@ -70,58 +94,63 @@ krb5_storage_to_data(krb5_storage *sp, krb5_data *data)
return 0;
}
krb5_error_code
krb5_store_int32(krb5_storage *sp,
int32_t value)
static krb5_error_code
krb5_store_int(krb5_storage *sp,
int32_t value,
size_t len)
{
int ret;
unsigned char v[4];
value = htonl(value);
ret = sp->store(sp, &value, sizeof(value));
if (ret != sizeof(value))
k_put_int(v, value, len);
ret = sp->store(sp, v, len);
if (ret != len)
return (ret<0)?errno:KRB5_CC_END;
return 0;
}
krb5_error_code
krb5_store_int32(krb5_storage *sp,
int32_t value)
{
return krb5_store_int(sp, value, 4);
}
static krb5_error_code
krb5_ret_int(krb5_storage *sp,
int32_t *value,
size_t len)
{
int ret;
unsigned char v[4];
unsigned long w;
ret = sp->fetch(sp, v, len);
if(ret != len)
return (ret<0)?errno:KRB5_CC_END;
k_get_int(v, &w, len);
*value = w;
return 0;
}
static krb5_error_code
krb5_ret_int32(krb5_storage *sp,
int32_t *value)
{
int32_t v;
int ret;
ret = sp->fetch(sp, &v, sizeof(v));
if(ret != sizeof(v))
return (ret<0)?errno:KRB5_CC_END;
*value = ntohl(v);
return 0;
return krb5_ret_int(sp, value, 4);
}
krb5_error_code
krb5_store_int16(krb5_storage *sp,
int16_t value)
{
int ret;
value = htons(value);
ret = sp->store(sp, &value, sizeof(value));
if (ret != sizeof(value))
return (ret<0)?errno:KRB5_CC_END;
return 0;
return krb5_store_int(sp, value, 2);
}
krb5_error_code
krb5_ret_int16(krb5_storage *sp,
int16_t *value)
{
int16_t v;
int ret;
ret = sp->fetch(sp, &v, sizeof(v));
if(ret != sizeof(v))
return (ret<0)?errno:KRB5_CC_END; /* XXX */
*value = ntohs(v);
return 0;
return krb5_ret_int(sp, value, 2);
}
krb5_error_code