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allow NULL input to krb5_free_config_files

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24117 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-12-11 05:02:32 +00:00
parent 209dbbb1e0
commit 6dd6406d82
1 changed files with 3 additions and 2 deletions
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5
lib/krb5/context.c
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@@ -637,7 +637,8 @@ krb5_get_default_config_files(char ***pfilenames)
/** /**
* Free a list of configuration files. * Free a list of configuration files.
* *
* @param filenames list to be freed. * @param filenames list, terminated with a NULL pointer, to be
* freed. NULL is an valid argument.
* *
* @return Returns 0 to indicate success. Otherwise an kerberos et * @return Returns 0 to indicate success. Otherwise an kerberos et
* error code is returned, see krb5_get_error_message(). * error code is returned, see krb5_get_error_message().
@@ -649,7 +650,7 @@ void KRB5_LIB_FUNCTION
krb5_free_config_files(char **filenames) krb5_free_config_files(char **filenames)
{ {
char **p; char **p;
for(p = filenames; *p != NULL; p++) for(p = filenames; p && *p != NULL; p++)
free(*p); free(*p);
free(filenames); free(filenames);
} }