X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_bit.c;h=db584143a9963c81147117b351b3f06d2f0c14ed;hb=eb9336c6ecfd078b265ee69cef96a3a2dfa04ace;hp=31b528fdb5c759e59952c14bfd20871635ec3248;hpb=32226b4f15d634d5e48b1306aeeb26a370c8f5c5;p=yaz-moved-to-github.git diff --git a/odr/ber_bit.c b/odr/ber_bit.c index 31b528f..db58414 100644 --- a/odr/ber_bit.c +++ b/odr/ber_bit.c @@ -4,7 +4,14 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: ber_bit.c,v $ - * Revision 1.2 1995-02-03 17:04:31 quinn + * Revision 1.4 1995-04-18 08:15:13 quinn + * Added dynamic memory allocation on encoding (whew). Code is now somewhat + * neater. We'll make the same change for decoding one day. + * + * Revision 1.3 1995/03/08 12:12:04 quinn + * Added better error checking. + * + * Revision 1.2 1995/02/03 17:04:31 quinn * *** empty log message *** * * Revision 1.1 1995/02/02 20:38:49 quinn @@ -24,7 +31,10 @@ int ber_bitstring(ODR o, Odr_bitmask *p, int cons) { case ODR_DECODE: if ((res = ber_declen(o->bp, &len)) < 0) + { + o->error = OPROTO; return 0; + } o->bp += res; o->left -= res; if (cons) /* fetch component strings */ @@ -37,11 +47,17 @@ int ber_bitstring(ODR o, Odr_bitmask *p, int cons) } /* primitive bitstring */ if (len < 0) + { + o->error = OOTHER; return 0; + } if (len == 0) return 1; if (len - 1 > ODR_BITMASK_SIZE) + { + o->error = OOTHER; return 0; + } o->bp++; /* silently ignore the unused-bits field */ o->left--; len--; @@ -51,21 +67,16 @@ int ber_bitstring(ODR o, Odr_bitmask *p, int cons) o->left -= len; return 1; case ODR_ENCODE: - if ((res = ber_enclen(o->bp, p->top + 2, 5, 0)) < 0) + if ((res = ber_enclen(o, p->top + 2, 5, 0)) < 0) return 0; - o->bp += res; - o->left -= res; - if (p->top + 2 > o->left) + if (odr_putc(o, 0) < 0) /* no unused bits here */ return 0; - *(o->bp++) = 0; /* no unused bits here */ - o->left--; if (p->top < 0) return 1; - memcpy(o->bp, p->bits, p->top + 1); - o->bp += p->top + 1; - o->left -= p->top +1; + if (odr_write(o, p->bits, p->top + 1) < 0) + return 0; return 1; case ODR_PRINT: return 1; - default: return 0; + default: o->error = OOTHER; return 0; } }