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127 lines
4.1 KiB
C
127 lines
4.1 KiB
C
/* Copyright (C) 1999-2001, 2003, 2005, 2008, 2012 Free Software Foundation, Inc.
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This file is part of the GNU LIBICONV Library.
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The GNU LIBICONV Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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The GNU LIBICONV Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU LIBICONV Library; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/>. */
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/* Creates the aliases.gperf table. */
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#include <stdio.h>
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#include <stdlib.h>
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static void emit_alias (FILE* out1, const char* alias, const char* c_name)
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{
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/* Output alias in upper case. */
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const char* s = alias;
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for (; *s; s++) {
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unsigned char c = * (unsigned char *) s;
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if (c >= 0x80)
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exit(1);
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if (c >= 'a' && c <= 'z')
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c -= 'a'-'A';
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putc(c, out1);
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}
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fprintf(out1,", ei_%s\n", c_name);
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}
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static void emit_encoding (FILE* out1, FILE* out2, const char* const* names, size_t n, const char* c_name)
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{
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fprintf(out2,"grep 'sizeof(\"");
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/* Output *names in upper case. */
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{
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const char* s = *names;
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for (; *s; s++) {
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unsigned char c = * (unsigned char *) s;
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if (c >= 0x80)
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exit(1);
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if (c >= 'a' && c <= 'z')
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c -= 'a'-'A';
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putc(c, out2);
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}
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}
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fprintf(out2,"\")' tmp.h | sed -e 's|^.*\\(stringpool_str[0-9]*\\).*$| (int)(long)\\&((struct stringpool_t *)0)->\\1,|'\n");
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for (; n > 0; names++, n--)
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emit_alias(out1, *names, c_name);
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}
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int main (int argc, char* argv[])
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{
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char* aliases_file_name;
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char* canonical_sh_file_name;
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char* canonical_local_sh_file_name;
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FILE* aliases_file;
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FILE* canonical_sh_file;
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if (argc != 4) {
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fprintf(stderr, "Usage: genaliases aliases.gperf canonical.sh canonical_local.sh\n");
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exit(1);
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}
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aliases_file_name = argv[1];
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canonical_sh_file_name = argv[2];
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canonical_local_sh_file_name = argv[3];
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aliases_file = fopen(aliases_file_name, "w");
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if (aliases_file == NULL) {
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fprintf(stderr, "Could not open '%s' for writing\n", aliases_file_name);
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exit(1);
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}
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fprintf(aliases_file, "struct alias { int name; unsigned int encoding_index; };\n");
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fprintf(aliases_file, "%%struct-type\n");
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fprintf(aliases_file, "%%language=ANSI-C\n");
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fprintf(aliases_file, "%%define hash-function-name aliases_hash\n");
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fprintf(aliases_file, "%%define lookup-function-name aliases_lookup\n");
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fprintf(aliases_file, "%%7bit\n");
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fprintf(aliases_file, "%%readonly-tables\n");
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fprintf(aliases_file, "%%global-table\n");
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fprintf(aliases_file, "%%define word-array-name aliases\n");
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fprintf(aliases_file, "%%pic\n");
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fprintf(aliases_file, "%%%%\n");
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#define DEFENCODING(xxx_names,xxx,xxx_ifuncs1,xxx_ifuncs2,xxx_ofuncs1,xxx_ofuncs2) \
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{ \
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static const char* const names[] = BRACIFY xxx_names; \
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emit_encoding(aliases_file,canonical_sh_file,names,sizeof(names)/sizeof(names[0]),#xxx); \
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}
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#define BRACIFY(...) { __VA_ARGS__ }
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#define DEFALIAS(xxx_alias,xxx) emit_alias(aliases_file,xxx_alias,#xxx);
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canonical_sh_file = fopen(canonical_sh_file_name, "w");
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if (canonical_sh_file == NULL) {
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fprintf(stderr, "Could not open '%s' for writing\n", canonical_sh_file_name);
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exit(1);
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}
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#include "encodings.def"
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if (ferror(canonical_sh_file) || fclose(canonical_sh_file))
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exit(1);
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canonical_sh_file = fopen(canonical_local_sh_file_name, "w");
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if (canonical_sh_file == NULL) {
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fprintf(stderr, "Could not open '%s' for writing\n", canonical_local_sh_file_name);
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exit(1);
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}
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#include "encodings_local.def"
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if (ferror(canonical_sh_file) || fclose(canonical_sh_file))
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exit(1);
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#undef DEFALIAS
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#undef BRACIFY
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#undef DEFENCODING
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if (ferror(aliases_file) || fclose(aliases_file))
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exit(1);
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exit(0);
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}
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