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Fix byte-ordering in bdb_dup_compare

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This commit is contained in:
Howard Chu 2003-04-23 11:52:22 +00:00
parent b1b8d9d651
commit 2b6f4ff7d0
1 changed files with 14 additions and 21 deletions
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35
servers/slapd/back-bdb/dn2id.c
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@ -512,28 +512,21 @@ bdb_dup_compare(
const DBT *curkey
)
{
diskNode *usr = usrkey->data;
diskNode *cur = curkey->data;
short curlen, usrlen;
char *ptr;
unsigned char *pt2;
int rc;
char *u = (char *)&(((diskNode *)(usrkey->data))->nrdnlen);
char *c = (char *)&(((diskNode *)(curkey->data))->nrdnlen);
int rc, i;
/* Make sure to detect negative values in the nrdnlen */
ptr = (char *)&usr->nrdnlen;
pt2 = (unsigned char *)(ptr+1);
usrlen = ptr[0] << 8 | *pt2;
ptr = (char *)&cur->nrdnlen;
pt2 = (unsigned char *)(ptr+1);
curlen = ptr[0] << 8 | *pt2;
rc = usrlen - curlen;
if ( rc == 0 ) rc = strncmp( usr->nrdn, cur->nrdn, usrlen );
return rc;
/* data is not aligned, cannot compare directly */
#ifdef WORDS_BIGENDIAN
for( i = 0; i < (int)sizeof(short); i++)
#else
for( i = sizeof(short)-1; i >= 0; i--)
#endif
{
rc = u[i] - c[i];
if( rc ) return rc;
}
return strcmp( u+sizeof(short), c+sizeof(short) );
}
/* This function constructs a full DN for a given entry.