--- /dev/null
+/*
+ * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. 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 <assert.h> /* for assert() macro */
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(ASN_DISABLE_UPER_SUPPORT)
+#include <uper_decoder.h>
+#include <uper_encoder.h>
+#endif /* !defined(ASN_DISABLE_UPER_SUPPORT) */
+#if !defined(ASN_DISABLE_APER_SUPPORT)
+#include <aper_decoder.h>
+#include <aper_encoder.h>
+#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 */
Code Review / sim / e2-interface.git / blobdiff