X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fodr_tag.c;fp=src%2Fodr_tag.c;h=a8f31f2257b4d9145329a4576d84b6c5c8f3445a;hb=c6e47cbbff56f39f6d81b079ebaeac41d793d4d9;hp=0000000000000000000000000000000000000000;hpb=c71d717ada2a9ef730d527f161eb5ba9aa641a9f;p=yaz-moved-to-github.git diff --git a/src/odr_tag.c b/src/odr_tag.c new file mode 100644 index 0000000..a8f31f2 --- /dev/null +++ b/src/odr_tag.c @@ -0,0 +1,57 @@ +/* + * Copyright (c) 1995-2003, Index Data + * See the file LICENSE for details. + * Sebastian Hammer, Adam Dickmeiss + * + * $Id: odr_tag.c,v 1.1 2003-10-27 12:21:34 adam Exp $ + */ +#if HAVE_CONFIG_H +#include +#endif + +#include "odr-priv.h" + +int odr_peektag(ODR o, int *zclass, int *tag, int *cons) +{ + if (o->direction != ODR_DECODE) + { + odr_seterror(o, OOTHER, 48); + return 0; + } + if (o->op->stackp > -1 && !odr_constructed_more(o)) + return 0; + if (ber_dectag(o->bp, zclass, tag, cons, odr_max(o)) <= 0) + { + odr_seterror(o, OREQUIRED, 49); + return 0; + } + return 1; +} + +int odr_implicit_settag(ODR o, int zclass, int tag) +{ + if (o->error) + return 0; + if (o->t_class < 0) + { + o->t_class = zclass; + o->t_tag = tag; + } + return 1; +} + +int odr_initmember(ODR o, void *p, int size) +{ + char **pp = (char **) p; + + if (o->error) + return 0; + if (o->direction == ODR_DECODE) + *pp = (char *)odr_malloc(o, size); + else if (!*pp) + { + o->t_class = -1; + return 0; + } + return 1; +}