diff options
author | Lev Walkin <vlm@lionet.info> | 2006-03-18 05:06:57 +0000 |
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committer | Lev Walkin <vlm@lionet.info> | 2006-03-18 05:06:57 +0000 |
commit | 41635d33ddf675afa61c742118a197e303930681 (patch) | |
tree | 408e6ec46f232629c672a2a53bb2ab8276535f44 /libasn1fix | |
parent | d404427f6e9e07d85785de57a00d815e9af34b7b (diff) |
references
Diffstat (limited to 'libasn1fix')
-rw-r--r-- | libasn1fix/asn1fix.c | 3 | ||||
-rw-r--r-- | libasn1fix/asn1fix_cws.c | 4 | ||||
-rw-r--r-- | libasn1fix/asn1fix_dereft.c | 6 | ||||
-rw-r--r-- | libasn1fix/asn1fix_retrieve.c | 25 |
4 files changed, 28 insertions, 10 deletions
diff --git a/libasn1fix/asn1fix.c b/libasn1fix/asn1fix.c index 21a5621f..d8cc863c 100644 --- a/libasn1fix/asn1fix.c +++ b/libasn1fix/asn1fix.c @@ -477,7 +477,8 @@ asn1f_check_duplicate(arg_t *arg) { "ASN.1 expression \"%s\" at line %d of module %s\n" "clashes with expression \"%s\" at line %d of module %s" "%s%s%s.\n" - "Please rename either instance to resolve the conflict", + "Rename or remove either instance " + "to resolve the conflict", arg->expr->Identifier, arg->expr->_lineno, arg->mod->ModuleName, diff --git a/libasn1fix/asn1fix_cws.c b/libasn1fix/asn1fix_cws.c index 49257945..0279c96d 100644 --- a/libasn1fix/asn1fix_cws.c +++ b/libasn1fix/asn1fix_cws.c @@ -188,7 +188,7 @@ _asn1f_assign_cell_value(arg_t *arg, struct asn1p_ioc_row_s *row, struct asn1p_i if(isdigit(*p)) { asn1c_integer_t value; if(asn1p_atoi(p, &value)) { - FATAL("Value %s at line %d is too large for this compiler! Please contact the asn1c author.\n", p, arg->expr->_lineno); + FATAL("Value %s at line %d is too large for this compiler! Contact the asn1c author.\n", p, arg->expr->_lineno); return -1; } expr = asn1p_expr_new(arg->expr->_lineno); @@ -197,7 +197,7 @@ _asn1f_assign_cell_value(arg_t *arg, struct asn1p_ioc_row_s *row, struct asn1p_i expr->expr_type = ASN_BASIC_INTEGER; expr->value = asn1p_value_fromint(value); } else { - WARNING("asn1c is not yet able to parse arbitrary direct values; please convert %s at line %d to a reference.", p, arg->expr->_lineno); + WARNING("asn1c is not yet able to parse arbitrary direct values; try converting %s at line %d to a reference.", p, arg->expr->_lineno); free(p); return 1; } diff --git a/libasn1fix/asn1fix_dereft.c b/libasn1fix/asn1fix_dereft.c index 19af0e8d..769abed9 100644 --- a/libasn1fix/asn1fix_dereft.c +++ b/libasn1fix/asn1fix_dereft.c @@ -29,6 +29,7 @@ asn1f_fix_dereference_types(arg_t *arg) { type_expr = asn1f_find_terminal_type(arg, expr); if(type_expr == NULL) { const char *type_name; + asn1p_expr_t *idexpr; if(errno == EEXIST) { /* Ignore missing type @@ -39,8 +40,11 @@ asn1f_fix_dereference_types(arg_t *arg) { } type_name = asn1f_printable_reference(expr->reference); + /* Avoid NULL in case of unnamed T ::= SEQUENCE OF ... */ + for(idexpr = expr; !idexpr->Identifier && idexpr->parent_expr; + idexpr = idexpr->parent_expr); FATAL("Unknown type \"%s\" referenced by \"%s\" at line %d", - type_name, expr->Identifier, expr->_lineno); + type_name, idexpr->Identifier, expr->_lineno); return -1; } diff --git a/libasn1fix/asn1fix_retrieve.c b/libasn1fix/asn1fix_retrieve.c index 731c269e..2c004be5 100644 --- a/libasn1fix/asn1fix_retrieve.c +++ b/libasn1fix/asn1fix_retrieve.c @@ -58,7 +58,8 @@ asn1f_lookup_in_imports(arg_t *arg, asn1p_module_t *mod, const char *name) { arg->expr->_mark |= TM_BROKEN; FATAL("Cannot find external module \"%s\" " "mentioned for " - "\"%s\" at line %d", + "\"%s\" at line %d. " + "Obtain this module and instruct compiler to process it too.", xp->fromModuleName, name, arg->expr->_lineno); } /* ENOENT/ETOOMANYREFS */ @@ -144,10 +145,8 @@ asn1f_lookup_module(arg_t *arg, const char *module_name, asn1p_oid_t *oid) { return NULL; } - - -asn1p_expr_t * -asn1f_lookup_symbol(arg_t *arg, asn1p_module_t *mod, asn1p_ref_t *ref) { +static asn1p_expr_t * +asn1f_lookup_symbol_impl(arg_t *arg, asn1p_module_t *mod, asn1p_ref_t *ref, int recursion_depth) { asn1p_expr_t *ref_tc; /* Referenced tc */ asn1p_module_t *imports_from; char *modulename; @@ -170,6 +169,15 @@ asn1f_lookup_symbol(arg_t *arg, asn1p_module_t *mod, asn1p_ref_t *ref) { mod->ModuleName, ref->_lineno); + if(recursion_depth++ > 30 /* Arbitrary constant */) { + FATAL("Excessive circular referencing detected in module %s for %s at line %d", + mod->ModuleName, + asn1f_printable_reference(ref), + ref->_lineno); + errno = ETOOMANYREFS; + return NULL; + } + if(ref->comp_count == 1) { modulename = NULL; identifier = ref->components[0].name; @@ -247,7 +255,7 @@ asn1f_lookup_symbol(arg_t *arg, asn1p_module_t *mod, asn1p_ref_t *ref) { assert(tmpref.comp_count > 0); } - expr = asn1f_lookup_symbol(arg, imports_from, &tmpref); + expr = asn1f_lookup_symbol_impl(arg, imports_from, &tmpref, recursion_depth); if(!expr && !(arg->expr->_mark & TM_BROKEN) && !(imports_from->_tags & MT_STANDARD_MODULE)) { arg->expr->_mark |= TM_BROKEN; @@ -327,6 +335,11 @@ asn1f_lookup_symbol(arg_t *arg, asn1p_module_t *mod, asn1p_ref_t *ref) { asn1p_expr_t * +asn1f_lookup_symbol(arg_t *arg, asn1p_module_t *mod, asn1p_ref_t *ref) { + return asn1f_lookup_symbol_impl(arg, mod, ref, 0); +} + +asn1p_expr_t * asn1f_find_terminal_type(arg_t *arg, asn1p_expr_t *expr) { return asn1f_find_terminal_thing(arg, expr, FTT_TYPE); } |