X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fber_int.c;h=6774a69b21c34b5a51711858df950b34648905fb;hb=045c1b65972cd05508ff188e201c17e5da571b43;hp=c22f7d5ea0af9cb5c71ebc929349035d5596e27f;hpb=99268f722648e84bf5c54eb685a1434e100f38a1;p=yaz-moved-to-github.git diff --git a/odr/ber_int.c b/odr/ber_int.c index c22f7d5..6774a69 100644 --- a/odr/ber_int.c +++ b/odr/ber_int.c @@ -1,10 +1,48 @@ /* - * Copyright (c) 1995, Index Data + * Copyright (c) 1995-2000, Index Data * See the file LICENSE for details. * Sebastian Hammer, Adam Dickmeiss * * $Log: ber_int.c,v $ - * Revision 1.7 1995-05-16 08:50:44 quinn + * Revision 1.19 2000-10-06 12:46:27 adam + * Including sys/types.h and netinet/in.h instead on arpa/inet.h on Unix. + * + * Revision 1.18 2000/02/29 13:44:55 adam + * Check for config.h (currently not generated). + * + * Revision 1.17 2000/02/28 11:20:06 adam + * Using autoconf. New definitions: YAZ_BEGIN_CDECL/YAZ_END_CDECL. + * + * Revision 1.16 2000/01/31 13:15:21 adam + * Removed uses of assert(3). Cleanup of ODR. CCL parser update so + * that some characters are not surrounded by spaces in resulting term. + * ILL-code updates. + * + * Revision 1.15 1999/11/30 13:47:11 adam + * Improved installation. Moved header files to include/yaz. + * + * Revision 1.14 1999/05/26 07:49:35 adam + * C++ compilation. + * + * Revision 1.13 1999/01/08 11:23:22 adam + * Added const modifier to some of the BER/ODR encoding routines. + * + * Revision 1.12 1996/07/06 19:58:33 quinn + * System headerfiles gathered in yconfig + * + * Revision 1.11 1995/09/29 17:12:16 quinn + * Smallish + * + * Revision 1.10 1995/09/29 17:01:50 quinn + * More Windows work + * + * Revision 1.9 1995/09/28 10:12:39 quinn + * Windows-support changes + * + * Revision 1.8 1995/09/27 15:02:55 quinn + * Modified function heads & prototypes. + * + * Revision 1.7 1995/05/16 08:50:44 quinn * License, documentation, and memory fixes * * Revision 1.6 1995/04/18 08:15:14 quinn @@ -27,14 +65,23 @@ * First kick. * */ +#if HAVE_CONFIG_H +#include +#endif -#include -#include -#include /* for htons... */ #include +#ifdef WIN32 +#include +#else +#include +#include +#endif + +#include + static int ber_encinteger(ODR o, int val); -static int ber_decinteger(unsigned char *buf, int *val); +static int ber_decinteger(const unsigned char *buf, int *val); int ber_integer(ODR o, int *val) { @@ -42,21 +89,20 @@ int ber_integer(ODR o, int *val) switch (o->direction) { - case ODR_DECODE: - if ((res = ber_decinteger(o->bp, val)) <= 0) - { - o->error = OPROTO; - return 0; - } - o->bp += res; - o->left -= res; - return 1; - case ODR_ENCODE: - if ((res = ber_encinteger(o, *val)) < 0) - return 0; - return 1; - case ODR_PRINT: return 1; - default: o->error = OOTHER; return 0; + case ODR_DECODE: + if ((res = ber_decinteger(o->bp, val)) <= 0) + { + o->error = OPROTO; + return 0; + } + o->bp += res; + return 1; + case ODR_ENCODE: + if ((res = ber_encinteger(o, *val)) < 0) + return 0; + return 1; + case ODR_PRINT: return 1; + default: o->error = OOTHER; return 0; } } @@ -71,19 +117,18 @@ int ber_encinteger(ODR o, int val) lenpos = odr_tell(o); if (odr_putc(o, 0) < 0) /* dummy */ - return -1; - + 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; + for (a = 0; a < (int) 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; len = sizeof(int) - a; if (odr_write(o, (unsigned char*) tmp.c + a, len) < 0) - return -1; + return -1; odr_seek(o, ODR_S_SET, lenpos); if (ber_enclen(o, len, 1, 1) != 1) - return -1; + return -1; odr_seek(o, ODR_S_END, 0); #ifdef ODR_DEBUG fprintf(stderr, "[val=%d]", val); @@ -94,24 +139,25 @@ int ber_encinteger(ODR o, int val) /* * Returns: Number of bytes read or 0 if no match, -1 if error. */ -int ber_decinteger(unsigned char *buf, int *val) +int ber_decinteger(const unsigned char *buf, int *val) { - unsigned char *b = buf, fill; + const unsigned char *b = buf; + unsigned char fill; int res, len, remains; union { int i; unsigned char c[sizeof(int)]; } tmp; if ((res = ber_declen(b, &len)) < 0) - return -1; - if (len > sizeof(int)) /* let's be reasonable, here */ - return -1; + return -1; + if (len > (int) sizeof(int)) /* let's be reasonable, here */ + return -1; b+= res; remains = sizeof(int) - len; memcpy(tmp.c + remains, b, len); if (*b & 0X80) - fill = 0XFF; + fill = 0XFF; else - fill = 0X00; + fill = 0X00; memset(tmp.c, fill, remains); *val = ntohl(tmp.i);