/*
* Read a soft-character definition string from a file. Strip off garbage
* at the beginning (to accommodate the "font2xx" output format).
*/
void
setup_softchars(const char *filename)
{
FILE *fp;
int c;
size_t len = 1024;
size_t use = 0;
char *buffer = (char *) malloc(len);
char *s;
char *first = 0;
char *last = 0;
int save_8bits = input_8bits;
input_8bits = FALSE; /* use the 7-bit input-parsing */
/* read the file into memory */
if ((fp = fopen(filename, "r")) == 0) {
perror(filename);
exit(EXIT_FAILURE);
}
while ((c = fgetc(fp)) != EOF) {
if (use + 1 >= len) {
buffer = (char *) realloc(buffer, len *= 2);
}
buffer[use++] = (char) c;
}
buffer[use] = '\0';
fclose(fp);
/* find the DCS that begins the control string */
/* and the ST that ends the control string */
for (s = buffer; *s; s++) {
if (first == 0) {
if (skip_dcs(s) != 0)
first = s;
} else {
if (!strncmp(s, st_input(), (size_t) 2)) {
last = s + 2;
*last = '\0';
break;
}
}
}
input_8bits = save_8bits;
if (first == 0 || last == 0) {
fprintf(stderr, "Not a vtXXX font description: %s\n", filename);
exit(EXIT_FAILURE);
}
for (s = buffer; (*s++ = *first++) != '\0';) ;
if (LOG_ENABLED && first != 0)
fprintf(log_fp, "Font String:\n%s\n", buffer);
font_string = buffer;
decode_header();
}
/*
* Strip the string terminator (ST) from the given string, returning true if
* we did this.
*/
int
strip_terminator(char *src)
{
int ok = strip_suffix(src, st_input());
if (!ok) {
int have = (int) strlen(src);
if (have > 0 && (unsigned char) src[have - 1] == ST) {
ok = TRUE;
src[--have] = '\0';
}
}
if (!ok && LOG_ENABLED)
fprintf(log_fp, "Missing ST\n");
return ok;
}
int main(int argc, char *argv[]) {
int fd;
int argc_count;
char buff[1];
int status_read;
int line_count = 0;
int word_count = 0;
int char_count = 0;
int total_word_count = 0;
int total_line_count = 0;
int total_char_count = 0;
int close_status;
char src[100]; //variable for the print errors
for(argc_count = 1; argc_count < argc; argc_count++) { //if the program had arguments this loop checks each of them
status_read = 1;
line_count = 0;
word_count = 0;
char_count = 0;
if((*argv[argc_count] == '-') && (strlen(argv[argc_count]) == 1)) {
st_input(&line_count,&word_count,&char_count); //function st_input is called which reads from the standart input
}
else {
fd = open(argv[argc_count], O_RDONLY); //opening the file(argument name)
if (fd == -1) { //if the file cant be opened, has bad name, etc. then will be printed an error in the terminal
strcpy(src, "wc: ");
perror(strcat(src, argv[argc_count]));
return 1;
}
while(status_read > 0) { // reading from file
status_read = read(fd, buff, 1);
if (status_read < 0) {
perror(strcpy(src, "wc: read()")); //an error will be printed in the terminal if there is some issue with the reading
return 1;
}
if(status_read != 0) { //checks if the file is empty
char_count++;
if(buff[0] == '\n') { // checking for lines
line_count++;
}
if(buff[0] == ' ' || buff[0] == '\n' || buff[0] == '\t') { //checking for words
if(temp != ' ' && temp != '\n' && temp != '\t' && temp != '\0' ) {
word_count++;
}
}
temp = buff[0];
}
}
temp = '\0';
close_status = close(fd); //closing the file
if (close_status == -1)
{
perror(strcpy(src, "wc: close()")); //an error will be printed in the terminal if there is some issue with the closing
return 1;
}
}
printf("%d %d %d %s\n",line_count,word_count,char_count,argv[argc_count]); //printing the counters and the argument name
total_word_count += word_count;
total_line_count += line_count;
total_char_count += char_count;
}
if(argc == 1) { // If there are no arguments then the program reads from the standart input
st_input(&line_count,&word_count,&char_count); //function st_input is called which reads from the standart input
printf("%d %d %d\n",line_count,word_count,char_count); //printing the counters
}
if(argc > 2) { //If there is more than one argument the program prints the total counters
printf("%d %d %d total\n",total_line_count,total_word_count,total_char_count); //printing the total counters
}
return 0;
}
