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Fix realloc() bugs

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This commit is contained in:
Kurt Zeilenga 2002-10-08 20:37:30 +00:00
parent 6853b62a45
commit f833b02518
2 changed files with 49 additions and 36 deletions
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20
libraries/liblber/memory.c
View file

@ -674,22 +674,32 @@ ber_bvarray_add( BerVarray *a, BerValue *bv )
return 0;
}
n = 0;
*a = (BerValue *) LBER_MALLOC( 2 * sizeof(BerValue) );
if ( *a == NULL ) {
return -1;
}
} else {
BerVarray *atmp;
BER_MEM_VALID( a );
for ( n = 0; *a != NULL && (*a)[n].bv_val != NULL; n++ ) {
; /* NULL */
; /* just count them */
}
if (bv == NULL) {
return n;
}
*a = (BerValue *) LBER_REALLOC( (char *) *a,
*atmp = (BerValue *) LBER_REALLOC( (char *) *a,
(n + 2) * sizeof(BerValue) );
}
if ( *a == NULL ) {
return -1;
if( *atmp == NULL ) {
return -1;
}
*a = *atmp;
}
(*a)[n++] = *bv;

65
libraries/libldap/dnssrv.c
View file

@ -121,46 +121,49 @@ int ldap_domain2dn(
LDAP_CONST char *domain_in,
char **dnp)
{
char *domain, *s, *tok_r, *dn;
size_t loc;
char *domain, *s, *tok_r, *dn, *dntmp;
size_t loc;
assert( domain_in != NULL );
assert( dnp != NULL );
domain = LDAP_STRDUP(domain_in);
if (domain == NULL) {
domain = LDAP_STRDUP(domain_in);
if (domain == NULL) {
return LDAP_NO_MEMORY;
}
dn = NULL;
loc = 0;
for (s = ldap_pvt_strtok(domain, ".", &tok_r);
s != NULL;
s = ldap_pvt_strtok(NULL, ".", &tok_r)) {
size_t len = strlen(s);
dn = (char *) LDAP_REALLOC(dn, loc + sizeof(",dc=") + len );
if (dn == NULL) {
LDAP_FREE(domain);
return LDAP_NO_MEMORY;
}
if (loc > 0) {
/* not first time. */
strcpy(dn + loc, ",");
loc++;
}
strcpy(dn + loc, "dc=");
loc += sizeof("dc=")-1;
dn = NULL;
loc = 0;
strcpy(dn + loc, s);
loc += len;
for (s = ldap_pvt_strtok(domain, ".", &tok_r);
s != NULL;
s = ldap_pvt_strtok(NULL, ".", &tok_r))
{
size_t len = strlen(s);
dntmp = (char *) LDAP_REALLOC(dn, loc + sizeof(",dc=") + len );
if (dn == NULL) {
LDAP_FREE(dn);
LDAP_FREE(domain);
return LDAP_NO_MEMORY;
}
dn = dntmp;
if (loc > 0) {
/* not first time. */
strcpy(dn + loc, ",");
loc++;
}
strcpy(dn + loc, "dc=");
loc += sizeof("dc=")-1;
strcpy(dn + loc, s);
loc += len;
}
LDAP_FREE(domain);
*dnp = dn;
return LDAP_SUCCESS;
LDAP_FREE(domain);
*dnp = dn;
return LDAP_SUCCESS;
}
/*