X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_tag.c;h=de1ad361af83513eef89803749fe0b25e68b46b8;hb=5e46e56c425c46bad6cef226669767de3a990f9e;hp=b626f0ac98ab564b2ab5a9500540c8703728a167;hpb=657fb99115b87a5244e9a33bbe4ca3d9d18849c4;p=yaz-moved-to-github.git diff --git a/odr/ber_tag.c b/odr/ber_tag.c index b626f0a..de1ad36 100644 --- a/odr/ber_tag.c +++ b/odr/ber_tag.c @@ -4,7 +4,13 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: ber_tag.c,v $ - * Revision 1.12 1995-09-27 15:02:57 quinn + * Revision 1.14 1997-05-14 06:53:56 adam + * C++ support. + * + * Revision 1.13 1995/09/29 17:12:21 quinn + * Smallish + * + * Revision 1.12 1995/09/27 15:02:57 quinn * Modified function heads & prototypes. * * Revision 1.11 1995/05/16 08:50:48 quinn @@ -51,12 +57,12 @@ * if p: write tag. return 1 (success) or -1 (error). * if !p: return 0. * On decoding: - * if tag && class match up, advance pointer and return 1. set cons. + * if tag && zclass match up, advance pointer and return 1. set cons. * else leave pointer unchanged. Return 0. * * Should perhaps be odr_tag? */ -int MDF ber_tag(ODR o, void *p, int class, int tag, int *constructed, int opt) +int ber_tag(ODR o, void *p, int zclass, int tag, int *constructed, int opt) { static int lclass = -1, ltag, br, lcons; /* save t&c rather than decoding twice */ @@ -82,10 +88,10 @@ int MDF ber_tag(ODR o, void *p, int class, int tag, int *constructed, int opt) o->error = OREQUIRED; return 0; } - if ((rd = ber_enctag(o, class, tag, *constructed)) < 0) + if ((rd = ber_enctag(o, zclass, tag, *constructed)) < 0) return -1; #ifdef ODR_DEBUG - fprintf(stderr, "\n[class=%d,tag=%d,cons=%d,stackp=%d]", class, tag, + fprintf(stderr, "\n[class=%d,tag=%d,cons=%d,stackp=%d]", zclass, tag, *constructed, o->stackp); #endif return 1; @@ -108,7 +114,7 @@ int MDF ber_tag(ODR o, void *p, int class, int tag, int *constructed, int opt) lcons, o->stackp); #endif } - if (class == lclass && tag == ltag) + if (zclass == lclass && tag == ltag) { o->bp += br; o->left -= br; @@ -131,15 +137,15 @@ int MDF ber_tag(ODR o, void *p, int class, int tag, int *constructed, int opt) } /* ber_enctag - * BER-encode a class/tag/constructed package (identifier octets). Return + * BER-encode a zclass/tag/constructed package (identifier octets). Return * number of bytes encoded, or -1 if out of bounds. */ -int MDF ber_enctag(ODR o, int class, int tag, int constructed) +int ber_enctag(ODR o, int zclass, int tag, int constructed) { int cons = (constructed ? 1 : 0), n = 0; unsigned char octs[sizeof(int)], b; - b = (class << 6) & 0XC0; + b = (zclass << 6) & 0XC0; b |= (cons << 5) & 0X20; if (tag <= 30) { @@ -174,11 +180,11 @@ int MDF ber_enctag(ODR o, int class, int tag, int constructed) /* ber_dectag * Decode BER identifier octets. Return number of bytes read or -1 for error. */ -int MDF ber_dectag(unsigned char *buf, int *class, int *tag, int *constructed) +int ber_dectag(unsigned char *buf, int *zclass, int *tag, int *constructed) { unsigned char *b = buf; - *class = *b >> 6; + *zclass = *b >> 6; *constructed = (*b >> 5) & 0X01; if ((*tag = *b & 0x1F) <= 30) return 1;