src/usr.bin/seq/seq.c - diff

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Diff for /src/usr.bin/seq/seq.c between version 1.6 and 1.7

version 1.6, 2022/02/25 16:00:39

version 1.7, 2023/06/12 20:15:06

Line 89

double first = 1.0;

double last = 0.0;

double incr = 0.0;

double last_shown_value = 0.0;

double prev = 0.0;

double cur, step;

struct lconv *locale;

char *fmt = NULL;

const char *sep = "\n";

const char *term = "\n";

char *cur_print, *last_print;

char *cur_print, *last_print, *prev_print;

char pad = ZERO;

if (pledge("stdio", NULL) == -1)

Line 176

} else

fmt = generate_format(first, incr, last, equalize, pad);

warnx("first: %f, incr: %f", first, incr);

for (step = 1, cur = first; incr > 0 ? cur <= last : cur >= last;

cur = first + incr * step++) {

if (cur != first)

fputs(sep, stdout);

printf(fmt, cur);

last_shown_value = cur;

prev = cur;

}

* Did we miss the last value of the range in the loop above?

* We might have, so check if the printable version of the last

* computed value ('cur') and desired 'last' value are equal. If they

* computed value ('cur') and desired 'last' value are equal. If

* are equal after formatting truncation, but 'cur' and

* they are equal after formatting truncation, but 'cur' and 'prev'

* 'last_shown_value' are not equal, it means the exit condition of the

* are different, it means the exit condition of the loop held true

* loop held true due to a rounding error and we still need to print

* due to a rounding error and we still need to print 'last'.

* 'last'.

if (asprintf(&cur_print, fmt, cur) == -1 ||

asprintf(&last_print, fmt, last) == -1)

asprintf(&last_print, fmt, last) == -1 ||

asprintf(&prev_print, fmt, prev) == -1)

err(1, "asprintf");

if (strcmp(cur_print, last_print) == 0 && cur != last_shown_value) {

if (strcmp(cur_print, last_print) == 0 &&

strcmp(cur_print, prev_print) != 0) {

if (cur != first)

fputs(sep, stdout);

fputs(last_print, stdout);

}

free(cur_print);

free(last_print);

free(prev_print);

fputs(term, stdout);