X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=odr%2Fber_int.c;h=46422d37908ff1d416b3a581310dcc656c57e826;hp=4f036c447486a6dcce2f3a03c62c88ead178c1b9;hb=aa82967af8f06004b567ad1ed40c67b056c44e7b;hpb=f2944c80ada3871faf8ec49bcad1470e6add4bac diff --git a/odr/ber_int.c b/odr/ber_int.c index 4f036c4..46422d3 100644 --- a/odr/ber_int.c +++ b/odr/ber_int.c @@ -4,7 +4,11 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: ber_int.c,v $ - * Revision 1.5 1995-03-27 15:01:44 quinn + * Revision 1.6 1995-04-18 08:15:14 quinn + * Added dynamic memory allocation on encoding (whew). Code is now somewhat + * neater. We'll make the same change for decoding one day. + * + * Revision 1.5 1995/03/27 15:01:44 quinn * Added include of sys/types to further portability * * Revision 1.4 1995/03/08 12:12:07 quinn @@ -26,7 +30,7 @@ #include /* for htons... */ #include -static int ber_encinteger(unsigned char *buf, int val, int maxlen); +static int ber_encinteger(ODR o, int val); static int ber_decinteger(unsigned char *buf, int *val); int ber_integer(ODR o, int *val) @@ -45,13 +49,8 @@ int ber_integer(ODR o, int *val) o->left -= res; return 1; case ODR_ENCODE: - if ((res = ber_encinteger(o->bp, *val, o->left)) <= 0) - { - o->error = OSPACE; + if ((res = ber_encinteger(o, *val)) < 0) return 0; - } - o->bp += res; - o->left -= res; return 1; case ODR_PRINT: return 1; default: o->error = OOTHER; return 0; @@ -61,31 +60,32 @@ int ber_integer(ODR o, int *val) /* * Returns: number of bytes written or -1 for error (out of bounds). */ -int ber_encinteger(unsigned char *buf, int val, int maxlen) +int ber_encinteger(ODR o, int val) { - unsigned char *b = buf, *lenpos; + int lenpos; int a, len; union { int i; unsigned char c[sizeof(int)]; } tmp; - lenpos = b; - maxlen--; - b++; + lenpos = odr_tell(o); + if (odr_putc(o, 0) < 0) /* dummy */ + return -1; tmp.i = htonl(val); /* ensure that that we're big-endian */ for (a = 0; a < sizeof(int) - 1; a++) /* skip superfluous octets */ if (!((tmp.c[a] == 0 && !(tmp.c[a+1] & 0X80)) || (tmp.c[a] == 0XFF && (tmp.c[a+1] & 0X80)))) break; - if ((len = sizeof(int) - a) > maxlen) + len = sizeof(int) - a; + if (odr_write(o, (unsigned char*) tmp.c + a, len) < 0) return -1; - memcpy(b, tmp.c + a, len); - b += len; - if (ber_enclen(lenpos, len, 1, 1) != 1) + odr_seek(o, ODR_S_SET, lenpos); + if (ber_enclen(o, len, 1, 1) != 1) return -1; + odr_seek(o, ODR_S_END, 0); #ifdef ODR_DEBUG fprintf(stderr, "[val=%d]", val); #endif - return b - buf; + return 0; } /*