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Comparing Convert-BER-XS/XS.xs (file contents):
Revision 1.8 by root, Sat Apr 20 01:50:13 2019 UTC vs.
Revision 1.12 by root, Sat Apr 20 12:35:03 2019 UTC

1#include "EXTERN.h" 1#include "EXTERN.h"
2#include "perl.h" 2#include "perl.h"
3#include "XSUB.h" 3#include "XSUB.h"
4 4
5// C99 required 5// C99 required!
6// this is not just for comments, but also for
7// integer constant semantics,
8// sscanf format modifiers and more.
6 9
7enum { 10enum {
8 // ASN_TAG 11 // ASN_TAG
9 ASN_BOOLEAN = 0x01, 12 ASN_BOOLEAN = 0x01,
10 ASN_INTEGER32 = 0x02, 13 ASN_INTEGER32 = 0x02,
92 95
93static profile_type *cur_profile, *default_profile; 96static profile_type *cur_profile, *default_profile;
94static SV *buf_sv; // encoding buffer 97static SV *buf_sv; // encoding buffer
95static U8 *buf, *cur, *end; // buffer start, current, end 98static U8 *buf, *cur, *end; // buffer start, current, end
96 99
100#if PERL_VERSION < 18
101# define utf8_to_uvchr_buf(s,e,l) utf8_to_uvchr (s, l)
102#endif
103
97#if __GNUC__ >= 3 104#if __GNUC__ >= 3
98# define expect(expr,value) __builtin_expect ((expr), (value)) 105# define expect(expr,value) __builtin_expect ((expr), (value))
99# define INLINE static inline 106# define INLINE static inline
100#else 107#else
101# define expect(expr,value) (expr) 108# define expect(expr,value) (expr)
155 return BER_TYPE_BYTES; 162 return BER_TYPE_BYTES;
156 163
157 return SvPVX (sv)[idx]; 164 return SvPVX (sv)[idx];
158} 165}
159 166
160static int 167static void
161profile_set (profile_type *profile, int klass, int tag, int type) 168profile_set (profile_type *profile, int klass, int tag, int type)
162{ 169{
163 SV *sv = (SV *)profile; 170 SV *sv = (SV *)profile;
164 U32 idx = (tag << 2) + klass; 171 U32 idx = (tag << 2) + klass;
165 STRLEN oldlen = SvCUR (sv); 172 STRLEN oldlen = SvCUR (sv);
195 { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 }, 202 { ASN_UNIVERSAL, ASN_UTF8_STRING , BER_TYPE_UTF8 },
196 { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 }, 203 { ASN_UNIVERSAL, ASN_BMP_STRING , BER_TYPE_UCS2 },
197 { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 }, 204 { ASN_UNIVERSAL, ASN_UNIVERSAL_STRING , BER_TYPE_UCS4 },
198 }; 205 };
199 206
200 for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem > default_map; celem--) 207 for (celem = default_map + sizeof (default_map) / sizeof (default_map [0]); celem-- > default_map; )
201 profile_set ((void *)sv, celem->klass, celem->tag, celem->type); 208 profile_set ((profile_type *)sv, celem->klass, celem->tag, celem->type);
202 209
203 return sv_bless (newRV_noinc (sv), profile_stash); 210 return sv_bless (newRV_noinc (sv), profile_stash);
204} 211}
205 212
206///////////////////////////////////////////////////////////////////////////// 213/////////////////////////////////////////////////////////////////////////////
339 u /= 10; 346 u /= 10;
340 } 347 }
341 while (u); 348 while (u);
342 349
343 // reverse digits 350 // reverse digits
344 for (char *ptr = buf; --ptr != beg; ++beg) 351 char *ptr = buf;
352 while (--ptr != beg)
345 { 353 {
346 char c = *ptr; 354 char c = *ptr;
347 *ptr = *beg; 355 *ptr = *beg;
348 *beg = c; 356 *beg = c;
357 ++beg;
349 } 358 }
350 } 359 }
351 360
352 return buf; 361 return buf;
353} 362}
553static void 562static void
554set_buf (SV *sv) 563set_buf (SV *sv)
555{ 564{
556 STRLEN len; 565 STRLEN len;
557 buf_sv = sv; 566 buf_sv = sv;
558 buf = SvPVbyte (buf_sv, len); 567 buf = (U8 *)SvPVbyte (buf_sv, len);
559 cur = buf; 568 cur = buf;
560 end = buf + len; 569 end = buf + len;
561} 570}
562 571
563/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ 572/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
577need (STRLEN len) 586need (STRLEN len)
578{ 587{
579 if (expect_false ((uintptr_t)(end - cur) < len)) 588 if (expect_false ((uintptr_t)(end - cur) < len))
580 { 589 {
581 STRLEN pos = cur - buf; 590 STRLEN pos = cur - buf;
582 buf = my_sv_grow (buf_sv, pos, len); 591 buf = (U8 *)my_sv_grow (buf_sv, pos, len);
583 cur = buf + pos; 592 cur = buf + pos;
584 end = buf + SvLEN (buf_sv) - 1; 593 end = buf + SvLEN (buf_sv) - 1;
585 } 594 }
586} 595}
587 596
813 put_length (uchars * chrsize); 822 put_length (uchars * chrsize);
814 823
815 while (uchars--) 824 while (uchars--)
816 { 825 {
817 STRLEN uclen; 826 STRLEN uclen;
818 UV uchr = utf8_to_uvchr_buf (ptr, ptr + len, &uclen); 827 UV uchr = utf8_to_uvchr_buf ((U8 *)ptr, (U8 *)ptr + len, &uclen);
819 828
820 ptr += uclen; 829 ptr += uclen;
821 len -= uclen; 830 len -= uclen;
822 831
823 if (chrsize == 4) 832 if (chrsize == 4)
864 int fill = AvFILL (av); 873 int fill = AvFILL (av);
865 874
866 if (expect_false (SvRMAGICAL (av))) 875 if (expect_false (SvRMAGICAL (av)))
867 croak ("BER constructed data must not be tied"); 876 croak ("BER constructed data must not be tied");
868 877
878 int i;
869 for (int i = 0; i <= fill; ++i) 879 for (i = 0; i <= fill; ++i)
870 encode_ber (AvARRAY (av)[i]); 880 encode_ber (AvARRAY (av)[i]);
871 881
872 len_fixup (mark); 882 len_fixup (mark);
873 } 883 }
874 else 884 else
1024ber_decode (SV *ber, SV *profile = &PL_sv_undef) 1034ber_decode (SV *ber, SV *profile = &PL_sv_undef)
1025 CODE: 1035 CODE:
1026{ 1036{
1027 cur_profile = SvPROFILE (profile); 1037 cur_profile = SvPROFILE (profile);
1028 STRLEN len; 1038 STRLEN len;
1029 buf = SvPVbyte (ber, len); 1039 buf = (U8 *)SvPVbyte (ber, len);
1030 cur = buf; 1040 cur = buf;
1031 end = buf + len; 1041 end = buf + len;
1032 1042
1033 RETVAL = decode_ber (); 1043 RETVAL = decode_ber ();
1034} 1044}

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