diff options
Diffstat (limited to 'ext/gdbm/gdbm.c')
| -rw-r--r-- | ext/gdbm/gdbm.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/ext/gdbm/gdbm.c b/ext/gdbm/gdbm.c index ee56fbf5d1..705cecfa97 100644 --- a/ext/gdbm/gdbm.c +++ b/ext/gdbm/gdbm.c @@ -387,6 +387,16 @@ fgdbm_values_at(argc, argv, obj) return new; } +static void +rb_gdbm_modify(obj) + VALUE obj; +{ + rb_secure(4); + if (OBJ_FROZEN_P(obj)) { + if (OBJ_FROZEN(obj)) rb_error_frozen("GDBM"); + } +} + static VALUE rb_gdbm_delete(obj, keystr) VALUE obj, keystr; @@ -395,7 +405,7 @@ rb_gdbm_delete(obj, keystr) struct dbmdata *dbmp; GDBM_FILE dbm; - rb_secure(4); + rb_gdbm_modify(obj); StringValue(keystr); key.dptr = RSTRING(keystr)->ptr; key.dsize = RSTRING(keystr)->len; @@ -436,7 +446,7 @@ fgdbm_shift(obj) GDBM_FILE dbm; VALUE keystr, valstr; - rb_secure(4); + rb_gdbm_modify(obj); GetDBM(obj, dbmp); dbm = dbmp->di_dbm; @@ -458,7 +468,7 @@ fgdbm_delete_if(obj) VALUE ret, ary = rb_ary_new(); int i, status = 0, n; - rb_secure(4); + rb_gdbm_modify(obj); GetDBM(obj, dbmp); dbm = dbmp->di_dbm; n = dbmp->di_size; @@ -489,7 +499,7 @@ fgdbm_clear(obj) struct dbmdata *dbmp; GDBM_FILE dbm; - rb_secure(4); + rb_gdbm_modify(obj); GetDBM(obj, dbmp); dbm = dbmp->di_dbm; dbmp->di_size = -1; @@ -588,7 +598,7 @@ fgdbm_store(obj, keystr, valstr) struct dbmdata *dbmp; GDBM_FILE dbm; - rb_secure(4); + rb_gdbm_modify(obj); StringValue(keystr); key.dptr = RSTRING(keystr)->ptr; key.dsize = RSTRING(keystr)->len; @@ -830,7 +840,7 @@ fgdbm_reorganize(obj) struct dbmdata *dbmp; GDBM_FILE dbm; - rb_secure(4); + rb_gdbm_modify(obj); GetDBM(obj, dbmp); dbm = dbmp->di_dbm; gdbm_reorganize(dbm); @@ -844,7 +854,7 @@ fgdbm_sync(obj) struct dbmdata *dbmp; GDBM_FILE dbm; - rb_secure(4); + rb_gdbm_modify(obj); GetDBM(obj, dbmp); dbm = dbmp->di_dbm; gdbm_sync(dbm); |