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/* This program convert `\' in big5 wide-character to `\\'. */
/* by platin */
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <locale.h>
#include <libintl.h>
#define _(STRING) gettext(STRING)
#define PACKAGE "bg5cc"
#define LOCALEDIR "/usr/share/locale/"
const char *program_name;
const char BIG5_MAX=0xf7;
const char BIG5_MIN=0xa0;
/* Display usage information and exit. */
static void usage ()
{
printf (_("Usage: %s INPUTFILE [OUTPUTFILE] \n\
This program convert `\\' in big5 wide-character to `\\\\'\n\n\
If input file is -, standard input is read. \n\
If output file is empty or -, output is written to standard output.\n"),
program_name);
}
int main(int argc, char *argv[])
{
FILE *input_file,*output_file;
char buffer[1];
/* Set program name for messages. */
program_name = argv[0];
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
/* Check the argvs */
if(argc <2 || argc > 3){
usage();
exit(-1);
}
if(! strcmp(argv[1],"-")){
input_file=stdin;
} else {
input_file=fopen(argv[1], "r");
if(input_file == NULL){
fprintf(stderr, _("error while opening \"%s\" for reading: %s \n"),
argv[1],strerror(errno));
exit(errno);
}
}
if(argc == 2 || !strcmp(argv[2],"-")){
output_file=stdout;
} else {
output_file=fopen(argv[2], "w");
if(output_file == NULL){
fprintf(stderr, _("error while opening \"%s\" for writing: %s \n"),
argv[2],strerror(errno));
exit(errno);
}
}
while(fread(buffer, 1, 1, input_file) && ! feof(input_file)){
fwrite(buffer, 1, 1, output_file);
if(*buffer >= BIG5_MIN && *buffer <= BIG5_MAX){
if(fread(buffer,1,1,input_file) && !feof(input_file)){
if(*buffer == '\\')
fwrite(buffer, 1, 1, output_file);
fwrite(buffer, 1, 1, output_file);
}
}
}
fclose(output_file);
fclose(input_file);
return(0);
}
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