diff options
Diffstat (limited to 'src/lib/krb5/os/an_to_ln.c')
| -rw-r--r-- | src/lib/krb5/os/an_to_ln.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/lib/krb5/os/an_to_ln.c b/src/lib/krb5/os/an_to_ln.c index 426399e..c42b821 100644 --- a/src/lib/krb5/os/an_to_ln.c +++ b/src/lib/krb5/os/an_to_ln.c @@ -643,7 +643,7 @@ krb5_aname_to_localname(krb5_context context, krb5_const_principal aname, const const char *hierarchy[5]; char **mapping_values; int i, nvalid; - char *cp; + char *cp, *s; char *typep, *argp; unsigned int lnsize; @@ -677,11 +677,14 @@ krb5_aname_to_localname(krb5_context context, krb5_const_principal aname, const /* Just use the last one. */ /* Trim the value. */ - cp = &mapping_values[nvalid-1] - [strlen(mapping_values[nvalid-1])]; - while (isspace((int) (*cp))) cp--; - cp++; - *cp = '\0'; + s = mapping_values[nvalid-1]; + cp = s + strlen(s); + while (cp > s) { + cp--; + if (!isspace((int)(*cp))) + break; + *cp = '\0'; + } /* Copy out the value if there's enough room */ if (strlen(mapping_values[nvalid-1])+1 <= (size_t) lnsize) |