X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fodr_cons.c;h=1922aa04ea1f2a3e510084362e7a8f5ec1421b0f;hb=aa82967af8f06004b567ad1ed40c67b056c44e7b;hp=00c6f511eb2e16386990b80376f0160d5ecb81a4;hpb=41f4b2c49b60cf5f9ae896b537211ae830c39a55;p=yaz-moved-to-github.git diff --git a/odr/odr_cons.c b/odr/odr_cons.c index 00c6f51..1922aa0 100644 --- a/odr/odr_cons.c +++ b/odr/odr_cons.c @@ -4,7 +4,20 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: odr_cons.c,v $ - * Revision 1.6 1995-03-08 12:12:23 quinn + * Revision 1.10 1995-04-18 08:15:21 quinn + * Added dynamic memory allocation on encoding (whew). Code is now somewhat + * neater. We'll make the same change for decoding one day. + * + * Revision 1.9 1995/03/28 09:15:49 quinn + * Fixed bug in the printing mode + * + * Revision 1.8 1995/03/15 11:18:04 quinn + * Fixed serious bug in odr_cons + * + * Revision 1.7 1995/03/10 11:44:41 quinn + * Fixed serious stack-bug in odr_cons_begin + * + * Revision 1.6 1995/03/08 12:12:23 quinn * Added better error checking. * * Revision 1.5 1995/02/10 18:57:25 quinn @@ -43,12 +56,21 @@ int odr_constructed_begin(ODR o, void *p, int class, int tag) if (!res || !cons) return 0; + if (o->stackp == ODR_MAX_STACK - 1) + { + o->error = OSTACK; + return 0; + } o->stack[++(o->stackp)].lenb = o->bp; + o->stack[o->stackp].len_offset = odr_tell(o); +#ifdef ODR_DEBUG + fprintf(stderr, "[cons_begin(%d)]", o->stackp); +#endif if (o->direction == ODR_ENCODE || o->direction == ODR_PRINT) { o->stack[o->stackp].lenlen = 1; - o->bp++; - o->left--; + if (odr_putc(o, 0) < 0) /* dummy */ + return 0; } else if (o->direction == ODR_DECODE) { @@ -61,6 +83,7 @@ int odr_constructed_begin(ODR o, void *p, int class, int tag) else return 0; o->stack[o->stackp].base = o->bp; + o->stack[o->stackp].base_offset = odr_tell(o); return 1; } @@ -79,6 +102,7 @@ int odr_constructed_more(ODR o) int odr_constructed_end(ODR o) { int res; + int pos; if (o->error) return 0; @@ -95,6 +119,7 @@ int odr_constructed_end(ODR o) if (*o->bp++ == 0 && *(o->bp++) == 0) { o->left -= 2; + o->stackp--; return 1; } else @@ -112,21 +137,29 @@ int odr_constructed_end(ODR o) o->stackp--; return 1; case ODR_ENCODE: - if ((res = ber_enclen(o->stack[o->stackp].lenb, - o->bp - o->stack[o->stackp].base, + pos = odr_tell(o); + odr_seek(o, ODR_S_SET, o->stack[o->stackp].len_offset); + if ((res = ber_enclen(o, pos - o->stack[o->stackp].base_offset, o->stack[o->stackp].lenlen, 1)) < 0) - { - o->error = OSPACE; return 0; - } + odr_seek(o, ODR_S_END, 0); if (res == 0) /* indefinite encoding */ { - *(o->bp++) = *(o->bp++) = 0; - o->left--; +#ifdef ODR_DEBUG + fprintf(stderr, "[cons_end(%d): indefinite]", o->stackp); +#endif + if (odr_putc(o, 0) < 0 || odr_putc(o, 0) < 0) + return 0; + } +#ifdef ODR_DEBUG + else + { + fprintf(stderr, "[cons_end(%d): definite]", o->stackp); } +#endif o->stackp--; return 1; - case ODR_PRINT: return 1; + case ODR_PRINT: o->stackp--; return 1; default: o->error = OOTHER; return 0;