X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=libasn1compiler%2Fasn1c_save.c;fp=libasn1compiler%2Fasn1c_save.c;h=0000000000000000000000000000000000000000;hb=7bfd112193698e9340c01e9260e3f14889f0cbe0;hp=79d82c7c387c1433ac0beb1c73f58f32228f8ed4;hpb=0c91129502aa163bb0e1d6d0ca7c807560ffb588;p=com%2Fasn1c.git diff --git a/libasn1compiler/asn1c_save.c b/libasn1compiler/asn1c_save.c deleted file mode 100644 index 79d82c7..0000000 --- a/libasn1compiler/asn1c_save.c +++ /dev/null @@ -1,1021 +0,0 @@ -#include "asn1c_internal.h" -#include "asn1c_compat.h" -#include "asn1c_fdeps.h" -#include "asn1c_lang.h" -#include "asn1c_misc.h" -#include "asn1c_save.h" -#include "asn1c_out.h" - -#ifndef HAVE_SYMLINK -#define symlink(a,b) (errno=ENOSYS, -1) -#endif - -/* Pedantically check fprintf's return value. */ -static int safe_fprintf(FILE *fp, const char *fmt, ...) { - va_list ap; - va_start(ap, fmt); - int ret = vfprintf(fp, fmt, ap); - va_end(ap); - assert(ret >= 0); - return ret; -} - -/* Pedantically check fwrite's return value. */ -static size_t safe_fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream) { - size_t ret = fwrite(ptr, 1, size * nitems, stream); - assert(ret == size * nitems); - return ret; -} - -#define HINCLUDE(s) \ - ((arg->flags & A1C_INCLUDES_QUOTED) \ - ? safe_fprintf(fp_h, "#include \"%s\"\n", s) \ - : safe_fprintf(fp_h, "#include <%s>\n", s)) \ - -enum include_type_result { - TI_NOT_INCLUDED, - TI_INCLUDED_FROM_BULK, - TI_INCLUDED_FROM_CMDLINE -}; - -static int asn1c_dump_streams(arg_t *arg, asn1c_dep_chainset *, const char *, int, char **); -static int asn1c_print_streams(arg_t *arg); -static int asn1c_save_streams(arg_t *arg, asn1c_dep_chainset *, const char *, - int, char **); -static int asn1c_copy_over(arg_t *arg, const char *destdir, const char *path, - const char *msg); -static int identical_files(const char *fname1, const char *fname2); -static int need_to_generate_pdu_collection(arg_t *arg); -static abuf *generate_pdu_collection(arg_t *arg); -static int generate_pdu_collection_file(arg_t *arg, const char *destdir); -static int generate_preamble(arg_t *, FILE *, int optc, char **argv); -static enum include_type_result include_type_to_pdu_collection(arg_t *arg); -static int pdu_collection_has_unused_types(arg_t *arg); -static const char *generate_pdu_C_definition(void); -static void asn1c__cleanup_pdu_type(void); -static int asn1c__pdu_type_lookup(const char *typename); -static int generate_constant_file(arg_t *arg, const char *destdir); - -static int -asn1c__save_library_makefile(arg_t *arg, const asn1c_dep_chainset *deps, - const char *datadir, const char *destdir, - const char *makefile_name) { - asn1p_module_t *mod; - FILE *mkf; - - mkf = asn1c_open_file(destdir, makefile_name, "", 0); - if(mkf == NULL) { - perror(makefile_name); - return -1; - } - - safe_fprintf(mkf, "ASN_MODULE_SRCS="); - TQ_FOR(mod, &(arg->asn->modules), mod_next) { - TQ_FOR(arg->expr, &(mod->members), next) { - if(asn1_lang_map[arg->expr->meta_type] - [arg->expr->expr_type].type_cb && - (arg->expr->meta_type != AMT_VALUE)) { - safe_fprintf(mkf, "\t\\\n\t%s%s.c", destdir, - asn1c_make_identifier(AMI_MASK_ONLY_SPACES | AMI_USE_PREFIX, arg->expr, 0)); - } - } - } - safe_fprintf(mkf, "\n\nASN_MODULE_HDRS="); - TQ_FOR(mod, &(arg->asn->modules), mod_next) { - TQ_FOR(arg->expr, &(mod->members), next) { - if(asn1_lang_map[arg->expr->meta_type] - [arg->expr->expr_type].type_cb && - (arg->expr->meta_type != AMT_VALUE)) { - safe_fprintf( - mkf, "\t\\\n\t%s%s.h", destdir, - asn1c_make_identifier(AMI_MASK_ONLY_SPACES | AMI_USE_PREFIX, arg->expr, 0)); - } - } - } - safe_fprintf(mkf, "\n\n"); - - /* - * Move necessary skeleton files and add them to Makefile.am.targets. - */ - asn1c_dep_chain *dlist = asn1c_deps_flatten(deps, ~FDEP_CONVERTER); - if(dlist) { - char dstpath[PATH_MAX]; - char *dir_end; - size_t dlen = strlen(datadir); - - assert(dlen < (sizeof(dstpath) / 2 - 2)); - memcpy(dstpath, datadir, dlen); - dir_end = dstpath + dlen; - *dir_end++ = '/'; - - for(size_t i = 0; i < dlist->deps_count; i++) { - char where[32]; /* Location of the */ - char *what_kind; /* HDRS or SRCS */ - const asn1c_dep_filename *dep_file = dlist->deps[i]; - char *fname = dep_file->filename; - char *dotH; - - assert(strlen(fname) < (sizeof(dstpath) / 2)); - strcpy(dir_end, fname); - - if(arg->flags & A1C_DEBUG) { - snprintf(where, sizeof(where), "(line %d col %d)", - dep_file->lineno, dep_file->column); - } else { - where[0] = '\0'; - } - - if(asn1c_copy_over(arg, destdir, dstpath, where) == -1) { - safe_fprintf(mkf, ">>>ABORTED<<<"); - fclose(mkf); - return -1; - } - - /* HDRS versus SRCS */ - dotH = strrchr(fname, 'h'); - if(dotH && fname < dotH && dotH[-1] == '.' && !dotH[1]) { - what_kind = "HDRS"; - } else { - what_kind = "SRCS"; - } - safe_fprintf(mkf, "ASN_MODULE_%s+=%s%s\n", what_kind, destdir, - fname); - } - - asn1c_dep_chain_free(dlist); - } - - safe_fprintf( - mkf, - "\n" - "ASN_MODULE_CFLAGS=%s%s", - (arg->flags & A1C_GEN_OER) ? "" : "-DASN_DISABLE_OER_SUPPORT ", - (arg->flags & A1C_GEN_PER) ? "" : "-DASN_DISABLE_PER_SUPPORT "); - - safe_fprintf( - mkf, - "\n\n" - "lib_LTLIBRARIES+=libasncodec.la\n" - "libasncodec_la_SOURCES=" - "$(ASN_MODULE_SRCS) $(ASN_MODULE_HDRS)\n" - "libasncodec_la_CPPFLAGS=-I$(top_srcdir)/%s\n" - "libasncodec_la_CFLAGS=$(ASN_MODULE_CFLAGS)\n" - "libasncodec_la_LDFLAGS=-lm\n", destdir); - fclose(mkf); - safe_fprintf(stderr, "Generated %s%s\n", destdir, makefile_name); - - return 0; -} - -static int -asn1c__save_example_mk_makefile(arg_t *arg, const asn1c_dep_chainset *deps, - const char *datadir, const char *destdir, - const char *makefile_name, - const char *library_makefile_name, int argc, - char **argv) { - FILE *mkf; - asn1c_dep_chain *dlist = asn1c_deps_flatten(deps, FDEP_CONVERTER); - - /* Generate converter-example.mk snippet */ - mkf = asn1c_open_file(destdir, makefile_name, "", 0); - if(mkf == NULL) { - perror(makefile_name); - return -1; - } - safe_fprintf( - mkf, - "include %s%s\n\n" - "LIBS += -lm\n" - "CFLAGS += $(ASN_MODULE_CFLAGS) %s%s-I.\n" - "ASN_LIBRARY ?= libasncodec.a\n" - "ASN_PROGRAM ?= converter-example\n" - "ASN_PROGRAM_SRCS ?= ", - destdir, library_makefile_name, - (arg->flags & A1C_PDU_TYPE) ? generate_pdu_C_definition() : "", - need_to_generate_pdu_collection(arg) ? "-DASN_PDU_COLLECTION " : ""); - - if(dlist) { - for(size_t i = 0; i < dlist->deps_count; i++) { - char dstpath[PATH_MAX]; - int ret = snprintf(dstpath, sizeof(dstpath), "%s/%s", datadir, - dlist->deps[i]->filename); - assert(ret > 0 && (size_t)ret < sizeof(dstpath)); - if(asn1c_copy_over(arg, destdir, dstpath, "implicit") == -1) { - safe_fprintf(mkf, ">>>ABORTED<<<"); - fclose(mkf); - return -1; - } - safe_fprintf(mkf, "\\\n\t%s%s", destdir, dlist->deps[i]->filename); - } - asn1c_dep_chain_free(dlist); - } - - if(need_to_generate_pdu_collection(arg)) { - safe_fprintf(mkf, "\\\n\t%spdu_collection.c", destdir); - if(generate_pdu_collection_file(arg, destdir)) { - return -1; - } - } - - safe_fprintf( - mkf, - "\n\nall: $(ASN_PROGRAM)\n" - "\n$(ASN_PROGRAM): $(ASN_LIBRARY) $(ASN_PROGRAM_SRCS:.c=.o)" - "\n\t$(CC) $(CFLAGS) $(CPPFLAGS) -o $(ASN_PROGRAM) " - "$(ASN_PROGRAM_SRCS:.c=.o) $(LDFLAGS) $(ASN_LIBRARY) $(LIBS)\n" - "\n$(ASN_LIBRARY): $(ASN_MODULE_SRCS:.c=.o)" - "\n\t$(AR) rcs $@ $(ASN_MODULE_SRCS:.c=.o)\n" - "\n.SUFFIXES:" - "\n.SUFFIXES: .c .o\n" - "\n.c.o:" - "\n\t$(CC) $(CFLAGS) -o $@ -c $<\n" - "\nclean:" - "\n\trm -f $(ASN_PROGRAM) $(ASN_LIBRARY)" - "\n\trm -f $(ASN_MODULE_SRCS:.c=.o) $(ASN_PROGRAM_SRCS:.c=.o)\n" - "\nregen: regenerate-from-asn1-source\n" - "\nregenerate-from-asn1-source:\n\t"); - - for(int i = 0; i < argc; i++) { - safe_fprintf(mkf, "%s%s", i ? " " : "", argv[i]); - } - safe_fprintf(mkf, "\n\n"); - - fclose(mkf); - safe_fprintf(stderr, "Generated %s%s\n", destdir, makefile_name); - - return 0; -} - -static int -asn1c__save_example_am_makefile(arg_t *arg, const asn1c_dep_chainset *deps, const char *datadir, - const char *destdir, const char *makefile_name, - const char *library_makefile_name, int argc, - char **argv) { - FILE *mkf; - asn1c_dep_chain *dlist = asn1c_deps_flatten(deps, FDEP_CONVERTER); - - /* Generate example.am snippet */ - mkf = asn1c_open_file(destdir, makefile_name, "", 0); - if(mkf == NULL) { - return -1; - } - safe_fprintf(mkf, - "include %s%s\n\n" - "bin_PROGRAMS += asn1convert\n" - "asn1convert_CFLAGS = $(ASN_MODULE_CFLAGS) %s%s\n" - "asn1convert_CPPFLAGS = -I$(top_srcdir)/%s\n" - "asn1convert_LDADD = libasncodec.la\n" - "asn1convert_SOURCES = ", - destdir, library_makefile_name, - (arg->flags & A1C_PDU_TYPE) ? generate_pdu_C_definition() : "", - need_to_generate_pdu_collection(arg) ? "-DASN_PDU_COLLECTION " : "", destdir); - - if(dlist) { - for(size_t i = 0; i < dlist->deps_count; i++) { - char dstpath[PATH_MAX]; - int ret = snprintf(dstpath, sizeof(dstpath), "%s/%s", datadir, - dlist->deps[i]->filename); - assert(ret > 0 && (size_t)ret < sizeof(dstpath)); - if(asn1c_copy_over(arg, destdir, dstpath, "implicit") == -1) { - safe_fprintf(mkf, ">>>ABORTED<<<"); - fclose(mkf); - return -1; - } - safe_fprintf(mkf, "\\\n\t%s%s", destdir, dlist->deps[i]->filename); - } - asn1c_dep_chain_free(dlist); - } - - if(need_to_generate_pdu_collection(arg)) { - safe_fprintf(mkf, "\\\n\t%spdu_collection.c", destdir); - if(generate_pdu_collection_file(arg, destdir)) - return -1; - } - - safe_fprintf(mkf, - "\nregen: regenerate-from-asn1-source\n" - "\nregenerate-from-asn1-source:\n\t"); - - for(int i = 0; i < argc; i++) - safe_fprintf(mkf, "%s%s", i ? " " : "", argv[i]); - safe_fprintf(mkf, "\n\n"); - - fclose(mkf); - safe_fprintf(stderr, "Generated %s%s\n", destdir, makefile_name); - - return 0; -} - -static int -asn1c__save_autotools_example(const char *destdir, - const char *program_makefile_name) { - FILE *fd; - const char* confac = "configure.ac"; - const char* makeam = "Makefile.am"; - - if ((access(confac, F_OK) != -1) - || (access(makeam, F_OK) != -1)) - { - safe_fprintf(stderr, "Refusing to overwrite existing '%s' or '%s'\n", confac, makeam); - return -1; - } - - fd = asn1c_open_file("", confac, "", 0); - if(fd == NULL) { - perror(confac); - return -1; - } - - safe_fprintf(fd, - "AC_INIT([asn1convert],[0.1])\n" - "AM_INIT_AUTOMAKE([-Werror foreign subdir-objects])\n" - "AC_PREREQ([2.62])\n" - "AC_PROG_CC\n" - "LT_INIT\n" - "AM_SILENT_RULES([yes])\n" - "AC_CONFIG_FILES([Makefile])\n" - "AC_OUTPUT\n"); - fclose(fd); - safe_fprintf(stderr, "Generated minimal example %s\n", confac); - - fd = asn1c_open_file("", makeam, "", 0); - if(fd == NULL) { - perror(makeam); - return -1; - } - - safe_fprintf(fd, - "bin_PROGRAMS =\n" - "lib_LTLIBRARIES =\n" - "include %s%s\n\n", - destdir, program_makefile_name); - - fclose(fd); - safe_fprintf(stderr, "Generated minimal example %s\n", makeam); - safe_fprintf(stderr, "\nRun the following to generate a configure script:\n"); - safe_fprintf(stderr, "$ autoreconf --force --install\n"); - return 0; -} - -static int -can_generate_pdu_collection(arg_t *arg) { - abuf *buf = generate_pdu_collection(arg); - if(!buf) { - return -1; - } - abuf_free(buf); - return 0; -} - -int -asn1c_save_compiled_output(arg_t *arg, const char *datadir, const char *destdir, - int argc, int optc, char **argv) { - int ret = -1; - - const char* example_am_makefile = "Makefile.am.asn1convert"; - const char* program_makefile = "converter-example.mk"; - const char* library_makefile = "Makefile.am.libasncodec"; - - /* - * Early check that we can properly generate PDU collection. - */ - if(can_generate_pdu_collection(arg) == -1) { - return -1; - } - - asn1c_dep_chainset *deps; - do { - asn1p_module_t *mod; - - deps = asn1c_read_file_dependencies(arg, datadir); - if(!deps && datadir) { - WARNING( - "Cannot read file-dependencies information " - "from %s\n", - datadir); - } - - TQ_FOR(mod, &(arg->asn->modules), mod_next) { - TQ_FOR(arg->expr, &(mod->members), next) { - if(asn1_lang_map[arg->expr->meta_type][arg->expr->expr_type] - .type_cb && - (arg->expr->meta_type != AMT_VALUE)) { - ret = asn1c_dump_streams(arg, deps, destdir, optc, argv); - if(ret) break; - } - } - } - - /* - * Dump out the Makefile template and the rest of the support code. - */ - if((arg->flags & A1C_PRINT_COMPILED) - || (arg->flags & A1C_OMIT_SUPPORT_CODE)) { - ret = 0; /* Success */ - break; - } - - if(ret) break; - - ret = asn1c__save_library_makefile(arg, deps, datadir, destdir, - library_makefile); - if(ret) break; - - if(arg->flags & A1C_GEN_EXAMPLE) { - ret = asn1c__save_example_mk_makefile(arg, deps, datadir, destdir, - program_makefile, - library_makefile, argc, argv); - if(ret) break; - ret = asn1c__save_example_am_makefile(arg, deps, datadir, destdir, - example_am_makefile, - library_makefile, argc, argv); - if(ret) break; - - if(arg->flags & A1C_GEN_AUTOTOOLS_EXAMPLE) { - ret = asn1c__save_autotools_example(destdir, example_am_makefile); - if(ret) break; - } - } - } while(0); - - asn1c_dep_chainset_free(deps); - asn1c__cleanup_pdu_type(); - - generate_constant_file(arg, destdir); - - return ret; -} - -/* - * Dump the streams. - */ -static int -asn1c_dump_streams(arg_t *arg, asn1c_dep_chainset *deps, const char *destdir, - int optc, char **argv) { - if(arg->flags & A1C_PRINT_COMPILED) { - return asn1c_print_streams(arg); - } else { - return asn1c_save_streams(arg, deps, destdir, optc, argv); - } -} - -static int -asn1c_print_streams(arg_t *arg) { - compiler_streams_t *cs = arg->expr->data; - asn1p_expr_t *expr = arg->expr; - int i; - - for(i = 1; i < OT_MAX; i++) { - out_chunk_t *ot; - if(TQ_FIRST(&cs->destination[i].chunks) == NULL) - continue; - - printf("\n/*** <<< %s [%s] >>> ***/\n\n", - _compiler_stream2str[i], - expr->Identifier); - - TQ_FOR(ot, &(cs->destination[i].chunks), next) { - safe_fwrite(ot->buf, ot->len, 1, stdout); - } - } - - return 0; -} - -static int -asn1c_save_streams(arg_t *arg, asn1c_dep_chainset *deps, const char *destdir, - int optc, char **argv) { - asn1p_expr_t *expr = arg->expr; - compiler_streams_t *cs = expr->data; - out_chunk_t *ot; - FILE *fp_c, *fp_h; - char *tmpname_c, *tmpname_h; - char name_buf[FILENAME_MAX]; - const char *header_id; - const char *c_retained = ""; - const char *h_retained = ""; - char *filename; - - if(cs == NULL) { - safe_fprintf(stderr, "Cannot compile %s at line %d\n", - expr->Identifier, expr->_lineno); - return -1; - } - - filename = strdup(asn1c_make_identifier(AMI_MASK_ONLY_SPACES | AMI_USE_PREFIX, - expr, (char*)0)); - fp_c = asn1c_open_file(destdir, filename, ".c", &tmpname_c); - if(fp_c == NULL) { - return -1; - } - fp_h = asn1c_open_file(destdir, filename, ".h", &tmpname_h); - if(fp_h == NULL) { - unlink(tmpname_c); - free(tmpname_c); - fclose(fp_c); - return -1; - } - - generate_preamble(arg, fp_c, optc, argv); - generate_preamble(arg, fp_h, optc, argv); - - header_id = asn1c_make_identifier(AMI_USE_PREFIX, expr, NULL); - safe_fprintf(fp_h, - "#ifndef\t_%s_H_\n" - "#define\t_%s_H_\n" - "\n", header_id, header_id); - - safe_fprintf(fp_h, "\n"); - HINCLUDE("asn_application.h"); - -#define SAVE_STREAM(fp, idx, msg, actdep) do { \ - if(TQ_FIRST(&(cs->destination[idx].chunks)) && *msg) \ - safe_fprintf(fp, "\n/* %s */\n", msg); \ - TQ_FOR(ot, &(cs->destination[idx].chunks), next) { \ - if(actdep) asn1c_activate_dependency(deps, ot->buf, header_id); \ - safe_fwrite(ot->buf, ot->len, 1, fp); \ - } \ -} while(0) - - SAVE_STREAM(fp_h, OT_INCLUDES, "Including external dependencies", 1); - - safe_fprintf(fp_h, "\n#ifdef __cplusplus\nextern \"C\" {\n#endif\n"); - SAVE_STREAM(fp_h, OT_DEPS, "Dependencies", 0); - SAVE_STREAM(fp_h, OT_FWD_DECLS, "Forward declarations", 0); - SAVE_STREAM(fp_h, OT_FWD_DEFS, "Forward definitions", 0); - SAVE_STREAM(fp_h, OT_TYPE_DECLS, filename, 0); - SAVE_STREAM(fp_h, OT_FUNC_DECLS,"Implementation", 0); - safe_fprintf(fp_h, "\n#ifdef __cplusplus\n}\n#endif\n"); - - if(!(arg->flags & A1C_NO_INCLUDE_DEPS)) - SAVE_STREAM(fp_h, OT_POST_INCLUDE, "Referred external types", 1); - - safe_fprintf(fp_h, "\n#endif\t/* _%s_H_ */\n", header_id); - - HINCLUDE("asn_internal.h"); - safe_fprintf(fp_c, "#include \"%s.h\"\n\n", filename); - if(arg->flags & A1C_NO_INCLUDE_DEPS) - SAVE_STREAM(fp_c, OT_POST_INCLUDE, "", 1); - TQ_FOR(ot, &(cs->destination[OT_IOC_TABLES].chunks), next) - safe_fwrite(ot->buf, ot->len, 1, fp_c); - TQ_FOR(ot, &(cs->destination[OT_CTABLES].chunks), next) - safe_fwrite(ot->buf, ot->len, 1, fp_c); - TQ_FOR(ot, &(cs->destination[OT_CODE].chunks), next) - safe_fwrite(ot->buf, ot->len, 1, fp_c); - TQ_FOR(ot, &(cs->destination[OT_CTDEFS].chunks), next) - safe_fwrite(ot->buf, ot->len, 1, fp_c); - TQ_FOR(ot, &(cs->destination[OT_STAT_DEFS].chunks), next) - safe_fwrite(ot->buf, ot->len, 1, fp_c); - - assert(OT_MAX == 13); /* Protection from reckless changes */ - - fclose(fp_c); - fclose(fp_h); - - int ret = snprintf(name_buf, sizeof(name_buf), "%s%s.c", destdir, filename); - assert(ret > 0 && ret < (ssize_t)sizeof(name_buf)); - - if(identical_files(name_buf, tmpname_c)) { - c_retained = " (contents unchanged)"; - unlink(tmpname_c); - } else { - if(rename(tmpname_c, name_buf)) { - unlink(tmpname_c); - perror(tmpname_c); - free(tmpname_c); - free(tmpname_h); - return -1; - } - } - - sprintf(name_buf, "%s%s.h", destdir, filename); - if(identical_files(name_buf, tmpname_h)) { - h_retained = " (contents unchanged)"; - unlink(tmpname_h); - } else { - if(rename(tmpname_h, name_buf)) { - unlink(tmpname_h); - perror(tmpname_h); - free(tmpname_c); - free(tmpname_h); - return -1; - } - } - - free(tmpname_c); - free(tmpname_h); - - safe_fprintf(stderr, "Compiled %s%s.c%s\n", - destdir, filename, c_retained); - safe_fprintf(stderr, "Compiled %s%s.h%s\n", - destdir, filename, h_retained); - free(filename); - return 0; -} - -static int -generate_preamble(arg_t *arg, FILE *fp, int optc, char **argv) { - safe_fprintf(fp, - "/*\n" - " * Generated by asn1c-" VERSION " (http://lionet.info/asn1c)\n" - " * From ASN.1 module \"%s\"\n" - " * \tfound in \"%s\"\n", - arg->expr->module->ModuleName, - arg->expr->module->source_file_name); - if(optc > 1) { - int i; - safe_fprintf(fp, " * \t`asn1c "); - for(i = 1; i < optc; i++) - safe_fprintf(fp, "%s%s", i>1?" ":"", argv[i]); - safe_fprintf(fp, "`\n"); - } - safe_fprintf(fp, " */\n\n"); - return 0; -} - -static int -identical_files(const char *fname1, const char *fname2) { - char buf[2][4096]; - FILE *fp1, *fp2; - size_t olen, nlen; - int retval = 1; /* Files are identical */ - -#ifndef _WIN32 - struct stat sb; - - if(lstat(fname1, &sb) || !S_ISREG(sb.st_mode) - || lstat(fname2, &sb) || !S_ISREG(sb.st_mode)) { - return 0; /* Files are not identical */ - } -#endif - - fp1 = fopen(fname1, "r"); - if(!fp1) { return 0; } - fp2 = fopen(fname2, "r"); - if(!fp2) { fclose(fp1); return 0; } - - while((olen = fread(buf[0], 1, sizeof(buf[0]), fp1))) { - nlen = fread(buf[1], 1, olen, fp2); - if(nlen != olen || memcmp(buf[0], buf[1], nlen)) { - retval = 0; - break; - } - } - nlen = fread(buf[1], 1, 1, fp2); - if(nlen) retval = 0; - - fclose(fp1); - fclose(fp2); - return retval; -} - -/* - * Copy file for real. - */ -static int -real_copy(const char *src, const char *dst) { - unsigned char buf[4096]; - char *tmpname; - FILE *fpsrc, *fpdst; - size_t len; - int retval = 0; - - if(identical_files(src, dst)) - return retval; /* Success, no need to copy for real. */ - - fpsrc = fopen(src, "r"); - if(!fpsrc) { errno = EIO; return -1; } - fpdst = asn1c_open_file(NULL, dst, "", &tmpname); - if(!fpdst) { fclose(fpsrc); errno = EIO; return -1; } - - while(!feof(fpsrc)) { - len = fread(buf, 1, sizeof(buf), fpsrc); - if(safe_fwrite(buf, 1, len, fpdst) != len) { - perror(tmpname); - errno = EIO; - retval = -1; - break; - } - } - fclose(fpsrc); - fclose(fpdst); - - /* Check if copied correctly, and rename into a permanent name */ - if(retval) { - unlink(tmpname); - } else if(rename(tmpname, dst)) { - unlink(tmpname); - perror(tmpname); - retval = -1; - } - free(tmpname); - return retval; -} - -static int -asn1c_copy_over(arg_t *arg, const char *destdir, const char *path, - const char *msg) { -#ifdef _WIN32 - int use_real_copy = 1; -#else - int use_real_copy = !(arg->flags & A1C_LINK_SKELETONS); -#endif - - const char *fname = a1c_basename(path, destdir); - if(!fname - || (use_real_copy ? real_copy(path, fname) : symlink(path, fname)) - ) { - if(errno == EEXIST) { - struct stat sb1, sb2; - if(stat(path, &sb1) == 0 - && stat(fname, &sb2) == 0 - && sb1.st_dev == sb2.st_dev - && sb1.st_ino == sb2.st_ino) { - /* - * Nothing to do. - */ - safe_fprintf(stderr, - "File %s is already here as %s\n", - path, fname); - return 1; - } else { - safe_fprintf(stderr, - "Retaining local %s (%s suggested)\n", - fname, path); - return 1; - } - } else if(errno == ENOENT) { - /* Ignore this */ - return 0; - } else { - safe_fprintf(stderr, "%s %s -> %s failed: %s\n", - use_real_copy ? "Copy" : "Symlink", - path, fname, strerror(errno)); - return -1; - } - } - - const int has_msg = msg && *msg; - safe_fprintf(stderr, "%s %s\t-> %s%s%s\n", - use_real_copy ? "Copied" : "Symlinked", path, fname, - has_msg ? " " : "", has_msg ? msg : ""); - - return 1; -} - - -static int -generate_pdu_collection_file(arg_t *arg, const char *destdir) { - abuf *buf = generate_pdu_collection(arg); - assert(buf); - - FILE *fp = asn1c_open_file(destdir, "pdu_collection", ".c", 0); - if(fp == NULL) { - perror("pdu_collection.c"); - return -1; - } - safe_fwrite(buf->buffer, buf->length, 1, fp); - fclose(fp); - - safe_fprintf(stderr, "Generated pdu_collection.c\n"); - return 0; -} - -static abuf * -generate_pdu_collection(arg_t *arg) { - asn1p_module_t *mod; - abuf *buf = abuf_new(); - - abuf_printf(buf, "/*\n * Generated by asn1c-" VERSION - " (http://lionet.info/asn1c)\n */\n\n"); - abuf_printf(buf, - "struct asn_TYPE_descriptor_s;\t" - "/* Forward declaration */\n\n"); - - - TQ_FOR(mod, &(arg->asn->modules), mod_next) { - TQ_FOR(arg->expr, &(mod->members), next) { - if(include_type_to_pdu_collection(arg) == TI_NOT_INCLUDED) continue; - abuf_printf(buf, - "extern struct asn_TYPE_descriptor_s " - "asn_DEF_%s;\n", - asn1c_make_identifier(AMI_USE_PREFIX, arg->expr, NULL)); - } - } - - abuf_printf(buf, "\n\n"); - abuf_printf(buf, "struct asn_TYPE_descriptor_s *asn_pdu_collection[] = {\n"); - TQ_FOR(mod, &(arg->asn->modules), mod_next) { - int mod_printed = 0; - TQ_FOR(arg->expr, &(mod->members), next) { - switch(include_type_to_pdu_collection(arg)) { - case TI_NOT_INCLUDED: - continue; - case TI_INCLUDED_FROM_BULK: - /* Increment */ - asn1c__pdu_type_lookup(arg->expr->Identifier); - break; - case TI_INCLUDED_FROM_CMDLINE: - break; - } - if(!mod_printed++) { - abuf_printf(buf, "\t/* From module %s in %s */\n", - arg->expr->module->ModuleName, - arg->expr->module->source_file_name); - } - abuf_printf(buf, "\t&asn_DEF_%s,\t\n", - asn1c_make_identifier(AMI_USE_PREFIX, arg->expr, NULL)); - } - } - - abuf_printf(buf, "\t0\n};\n\n"); - - if(pdu_collection_has_unused_types(arg)) { - abuf_free(buf); - return NULL; - } - - return buf; -} - -static struct PDUType { - char *typename; - int used; -} *pduType; -static size_t pduTypes; - -static const char * -generate_pdu_C_definition(void) { - const char *src; - char *def; - char *dst; - if(pduTypes == 0) return ""; - def = malloc(strlen(pduType[0].typename) + 20); - assert(def); - strcpy(def, "-DPDU="); - for(src = pduType[0].typename, dst = def + 6; *src; src++, dst++) { - if((*dst = *src) == '-') { - *dst = '_'; - } - } - *dst++ = ' '; - *dst = 0; - return def; -} - -void -asn1c__add_pdu_type(const char *ctypename) { - char *typename = strdup(ctypename); - assert(typename && *typename); - - pduType = realloc(pduType, sizeof(pduType[0]) * (pduTypes + 1)); - assert(pduType); - pduType[pduTypes].used = 0; - pduType[pduTypes].typename = typename; - pduTypes++; -} - -static void -asn1c__cleanup_pdu_type() { - for(size_t i = 0; i < pduTypes; i++) { - free(pduType[i].typename); - } - free(pduType); - pduType = NULL; - pduTypes = 0; -} - -static int -asn1c__pdu_type_lookup(const char *typename) { - for(size_t i = 0; i < pduTypes; i++) { - struct PDUType *pt = &pduType[i]; - if(strcmp(pt->typename, typename) == 0) { - pt->used++; - return 1; - } - } - return 0; -} - -static int -need_to_generate_pdu_collection(arg_t *arg) { - /* If -pdu=all or -pdu=auto are given, we need to generate one. */ - if(arg->flags & (A1C_PDU_ALL|A1C_PDU_AUTO)) - return 1; - - /* - * If no -pdu=... flags were given, need to do it, too, - * effectively producing -pdu=auto. - */ - if(!(arg->flags & (A1C_PDU_ALL | A1C_PDU_AUTO | A1C_PDU_TYPE))) return 1; - - if(arg->flags & A1C_PDU_TYPE) { - return (pduTypes > 1) ? 1 : 0; - } - return 0; -} - -static int -pdu_collection_has_unused_types(arg_t *arg) { - int ret = 0; - - for(size_t i = 0; i < pduTypes; i++) { - struct PDUType *pt = &pduType[i]; - if(!pt->used) { - FATAL("Unknown ASN.1 type specified in -pdu=%s", pt->typename); - ret = -1; - } - } - - return ret; -} - -static enum include_type_result -include_type_to_pdu_collection(arg_t *arg) { - if(!asn1_lang_map[arg->expr->meta_type][arg->expr->expr_type].type_cb || - (arg->expr->meta_type == AMT_VALUE)) - return 0; - - /* Parameterized types can't serve as PDU's without instantiation. */ - if(arg->expr->lhs_params) { - return 0; - } - - if((arg->flags & A1C_PDU_ALL) - /* -pdu=auto */ - || ((arg->flags & A1C_PDU_AUTO) && !arg->expr->_type_referenced) - /* No -pdu=... whatsoever, act as if -pdu=auto */ - || (!(arg->flags & (A1C_PDU_ALL | A1C_PDU_AUTO | A1C_PDU_TYPE)) - && !arg->expr->_type_referenced) - || asn1c__pdu_type_lookup(arg->expr->Identifier)) { - return 1; - } - - return 0; -} - -static abuf * -generate_constant_collection(arg_t *arg) { - asn1p_module_t *mod; - abuf *buf = abuf_new(); - int empty_file = 1; - - abuf_printf(buf, "/*\n * Generated by asn1c-" VERSION - " (http://lionet.info/asn1c)\n */\n\n"); - abuf_printf(buf, "#ifndef _%sASN_CONSTANT_H\n#define _%sASN_CONSTANT_H\n\n", asn1c_prefix(), asn1c_prefix()); - - abuf_printf(buf, "#ifdef __cplusplus\nextern \"C\" {\n#endif\n\n"); - - TQ_FOR(mod, &(arg->asn->modules), mod_next) { - TQ_FOR(arg->expr, &(mod->members), next) { - if(arg->expr->meta_type != AMT_VALUE) - continue; - - if(arg->expr->expr_type == ASN_BASIC_INTEGER) { - abuf_printf(buf, "#define %s (%s)\n", - asn1c_make_identifier(AMI_USE_PREFIX, arg->expr, 0), - asn1p_itoa(arg->expr->value->value.v_integer)); - empty_file = 0; - } - } - } - - abuf_printf(buf, "\n\n#ifdef __cplusplus\n}\n#endif\n\n#endif /* _%sASN_CONSTANT_H */\n", asn1c_prefix()); - - if(empty_file) { - abuf_free(buf); - return 0; - } - return buf; -} - -static int -generate_constant_file(arg_t *arg, const char *destdir) { - abuf *buf = generate_constant_collection(arg); - char *filename; - int filename_len; - - if(!buf) return 0; - - filename_len = strlen(asn1c_prefix()) + strlen("asn_constant"); - filename = calloc(filename_len + 1, 1); - snprintf(filename, filename_len + 1, "%sasn_constant", asn1c_prefix()); - - if(arg->flags & A1C_PRINT_COMPILED) { - printf("\n/*** <<< asn_constant.h >>> ***/\n\n"); - safe_fwrite(buf->buffer, buf->length, 1, stdout); - } else { - - FILE *fp = asn1c_open_file(destdir, filename, ".h", 0); - if(fp == NULL) { - perror("asn_constant.h"); - return -1; - } - safe_fwrite(buf->buffer, buf->length, 1, fp); - fclose(fp); - } - safe_fprintf(stderr, "Generated %s.h\n", filename); - free(filename); - abuf_free(buf); - return 0; -}