108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/*
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*******************************************************************************
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*
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* Copyright (C) 2000, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: ucmmerge.c
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2000nov09
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* created by: Markus W. Scherer
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*
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* This tool reads two .ucm files and merges them.
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* Merging the files allows to update the ICU data while keeping ICU-specific
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* changes like "MBCS"->"EBCDIC_STATEFUL" or adding <icu:state>.
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*
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* To compile, just call a C compiler/linker with this source file.
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* On Windows: cl ucmmerge.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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extern int
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main(int argc, const char *argv[]) {
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FILE *old, *update;
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char line[200];
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char *s, *end;
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unsigned long b, i, mappingsTop=0;
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/* open the two input files */
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if(argc<3) {
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fprintf(stderr, "usage: %s old-ucm-filename new-ucm-filename\n", argv[0]);
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return 2;
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}
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old=fopen(argv[1], "r");
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if(old==NULL) {
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fprintf(stderr, "error: unable to open %s\n", argv[1]);
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return 2;
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}
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update=fopen(argv[2], "r");
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if(update==NULL) {
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fprintf(stderr, "error: unable to open %s\n", argv[2]);
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return 2;
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}
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/* copy old until before the "created on" line */
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for(;;) {
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if(fgets(line, sizeof(line), old)==NULL) {
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return 1;
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}
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if(0==strncmp(line, "# File created on ", 18)) {
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break;
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}
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fputs(line, stdout);
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}
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/* skip update until before the "created on" line */
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for(;;) {
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if(fgets(line, sizeof(line), update)==NULL) {
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return 1;
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}
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if(0==strncmp(line, "# File created on ", 18)) {
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break;
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}
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}
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/* copy the "created on" line from update */
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fputs(line, stdout);
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/* copy the rest of the old header including the "CHARMAP" line */
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for(;;) {
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if(fgets(line, sizeof(line), old)==NULL) {
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return 1;
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}
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fputs(line, stdout);
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if(0==strncmp(line, "CHARMAP", 7)) {
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break;
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}
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}
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/* skip the rest of the update header */
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for(;;) {
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if(fgets(line, sizeof(line), update)==NULL) {
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return 1;
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}
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if(0==strncmp(line, "CHARMAP", 7)) {
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break;
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}
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}
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/* copy the rest of the update file */
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for(;;) {
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if(fgets(line, sizeof(line), update)==NULL) {
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break;
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}
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fputs(line, stdout);
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}
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fclose(old);
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fclose(update);
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return 0;
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}
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