X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fasn1c%2Fasn_internal.h;fp=e2sim%2Fasn1c%2Fasn_internal.h;h=d6ce61980ca1dadaf087c8af69e965b5c5e0126f;hp=0000000000000000000000000000000000000000;hb=f5900596513e4359fc839ba361da085674e90b68;hpb=215d350dbe06a4c7ee370815f26128a7f7e160cb diff --git a/e2sim/asn1c/asn_internal.h b/e2sim/asn1c/asn_internal.h new file mode 100644 index 0000000..d6ce619 --- /dev/null +++ b/e2sim/asn1c/asn_internal.h @@ -0,0 +1,187 @@ +/* + * Copyright (c) 2003-2017 Lev Walkin . All rights reserved. + * Redistribution and modifications are permitted subject to BSD license. + */ +/* + * Declarations internally useful for the ASN.1 support code. + */ +#ifndef ASN_INTERNAL_H +#define ASN_INTERNAL_H +#ifndef __EXTENSIONS__ +#define __EXTENSIONS__ /* for Sun */ +#endif + +#include "asn_application.h" /* Application-visible API */ + +#ifndef __NO_ASSERT_H__ /* Include assert.h only for internal use. */ +#include /* for assert() macro */ +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if !defined(ASN_DISABLE_UPER_SUPPORT) +#include +#include +#endif /* !defined(ASN_DISABLE_UPER_SUPPORT) */ +#if !defined(ASN_DISABLE_APER_SUPPORT) +#include +#include +#endif /* !defined(ASN_DISABLE_APER_SUPPORT) */ + +/* Environment version might be used to avoid running with the old library */ +#define ASN1C_ENVIRONMENT_VERSION 923 /* Compile-time version */ +int get_asn1c_environment_version(void); /* Run-time version */ + +#define CALLOC(nmemb, size) calloc(nmemb, size) +#define MALLOC(size) malloc(size) +#define REALLOC(oldptr, size) realloc(oldptr, size) +#define FREEMEM(ptr) free(ptr) + +#define asn_debug_indent 0 +#define ASN_DEBUG_INDENT_ADD(i) do{}while(0) + +#ifdef EMIT_ASN_DEBUG +#warning "Use ASN_EMIT_DEBUG instead of EMIT_ASN_DEBUG" +#define ASN_EMIT_DEBUG EMIT_ASN_DEBUG +#endif + +/* + * A macro for debugging the ASN.1 internals. + * You may enable or override it. + */ +#ifndef ASN_DEBUG /* If debugging code is not defined elsewhere... */ +#if ASN_EMIT_DEBUG == 1 /* And it was asked to emit this code... */ +#if __STDC_VERSION__ >= 199901L +#ifdef ASN_THREAD_SAFE +/* Thread safety requires sacrifice in output indentation: + * Retain empty definition of ASN_DEBUG_INDENT_ADD. */ +#else /* !ASN_THREAD_SAFE */ +#undef ASN_DEBUG_INDENT_ADD +#undef asn_debug_indent +int asn_debug_indent; +#define ASN_DEBUG_INDENT_ADD(i) do { asn_debug_indent += i; } while(0) +#endif /* ASN_THREAD_SAFE */ +#define ASN_DEBUG(fmt, args...) do { \ + int adi = asn_debug_indent; \ + while(adi--) fprintf(stderr, " "); \ + fprintf(stderr, fmt, ##args); \ + fprintf(stderr, " (%s:%d)\n", \ + __FILE__, __LINE__); \ + } while(0) +#else /* !C99 */ +void CC_PRINTFLIKE(1, 2) ASN_DEBUG_f(const char *fmt, ...); +#define ASN_DEBUG ASN_DEBUG_f +#endif /* C99 */ +#else /* ASN_EMIT_DEBUG != 1 */ +#if __STDC_VERSION__ >= 199901L +#define ASN_DEBUG(...) do{}while(0) +#else /* not C99 */ +static void CC_PRINTFLIKE(1, 2) ASN_DEBUG(const char *fmt, ...) { (void)fmt; } +#endif /* C99 or better */ +#endif /* ASN_EMIT_DEBUG */ +#endif /* ASN_DEBUG */ + +/* + * Print to a callback. + * The callback is expected to return negative values on error. + * 0 and positive values are treated as success. + * RETURN VALUES: + * -1: Failed to format or invoke the callback. + * >0: Size of the data that got delivered to the callback. + */ +ssize_t CC_PRINTFLIKE(3, 4) +asn__format_to_callback( + int (*callback)(const void *, size_t, void *key), void *key, + const char *fmt, ...); + +/* + * Invoke the application-supplied callback and fail, if something is wrong. + */ +#define ASN__E_cbc(buf, size) (cb((buf), (size), app_key) < 0) +#define ASN__E_CALLBACK(size, foo) \ + do { \ + if(foo) goto cb_failed; \ + er.encoded += (size); \ + } while(0) +#define ASN__CALLBACK(buf, size) ASN__E_CALLBACK(size, ASN__E_cbc(buf, size)) +#define ASN__CALLBACK2(buf1, size1, buf2, size2) \ + ASN__E_CALLBACK((size1) + (size2), \ + ASN__E_cbc(buf1, size1) || ASN__E_cbc(buf2, size2)) +#define ASN__CALLBACK3(buf1, size1, buf2, size2, buf3, size3) \ + ASN__E_CALLBACK((size1) + (size2) + (size3), \ + ASN__E_cbc(buf1, size1) || ASN__E_cbc(buf2, size2) \ + || ASN__E_cbc(buf3, size3)) + +#define ASN__TEXT_INDENT(nl, level) \ + do { \ + int tmp_level = (level); \ + int tmp_nl = ((nl) != 0); \ + int tmp_i; \ + if(tmp_nl) ASN__CALLBACK("\n", 1); \ + if(tmp_level < 0) tmp_level = 0; \ + for(tmp_i = 0; tmp_i < tmp_level; tmp_i++) ASN__CALLBACK(" ", 4); \ + } while(0) + +#define _i_INDENT(nl) do { \ + int tmp_i; \ + if((nl) && cb("\n", 1, app_key) < 0) \ + return -1; \ + for(tmp_i = 0; tmp_i < ilevel; tmp_i++) \ + if(cb(" ", 4, app_key) < 0) \ + return -1; \ + } while(0) + +/* + * Check stack against overflow, if limit is set. + */ + +/* Since GCC 13, AddressSanitizer started defaulting to +* ASAN_OPTIONS="detect_stack_use_after_return=1", which makes this check +* fail due to apparently jumping stack pointers. +* Hence, disable this check if building with ASan, as documented in: +* GCC: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html +* Clang: https://clang.llvm.org/docs/AddressSanitizer.html#conditional-compilation-with-has-feature-address-sanitizer +*/ +#if defined(__SANITIZE_ADDRESS__) + #define ASN__SANITIZE_ENABLED 1 +#elif defined(__has_feature) +#if __has_feature(address_sanitizer) + #define ASN__SANITIZE_ENABLED 1 +#endif +#endif + +#define ASN__DEFAULT_STACK_MAX (30000) + +#if defined(ASN__SANITIZE_ENABLED) || defined(ASN_DISABLE_STACK_OVERFLOW_CHECK) +static int CC_NOTUSED +ASN__STACK_OVERFLOW_CHECK(const asn_codec_ctx_t *ctx) { + (void)ctx; + return 0; +} +#else +static int CC_NOTUSED +ASN__STACK_OVERFLOW_CHECK(const asn_codec_ctx_t *ctx) { + if(ctx && ctx->max_stack_size) { + + /* ctx MUST be allocated on the stack */ + ptrdiff_t usedstack = ((const char *)ctx - (const char *)&ctx); + if(usedstack > 0) usedstack = -usedstack; /* grows up! */ + + /* double negative required to avoid int wrap-around */ + if(usedstack < -(ptrdiff_t)ctx->max_stack_size) { + ASN_DEBUG("Stack limit %ld reached", + (long)ctx->max_stack_size); + return -1; + } + } + return 0; +} +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* ASN_INTERNAL_H */