- while ((input = get_line_from_file(in)) != NULL) {
- if (lastline == NULL || strcmp(input, lastline) != 0) {
- print_line(lastline, count, out);
- free(lastline);
- lastline = input;
- count = 0;
+ s0 = NULL;
+
+ /* gnu uniq ignores newlines */
+ while ((s1 = bb_get_chomped_line_from_file(in)) != NULL) {
+ e1 = s1;
+ for (i=skip_fields ; i ; i--) {
+ e1 = bb_skip_whitespace(e1);
+ while (*e1 && !isspace(*e1)) {
+ ++e1;
+ }
+ }
+ for (i = skip_chars ; *e1 && i ; i--) {
+ ++e1;
+ }
+ if (s0) {
+ if (strcmp(e0, e1) == 0) {
+ ++dups; /* Note: Testing for overflow seems excessive. */
+ continue;
+ }
+ DO_LAST:
+ if ((dups && (uniq_flags & 2)) || (!dups && (uniq_flags & 4))) {
+ bb_fprintf(out, "\0%7d\t" + (uniq_flags & 1), dups + 1);
+ bb_fprintf(out, "%s\n", s0);
+ }
+ free((void *)s0);