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Merge branch 'obsd-master'

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This commit is contained in:
Thomas Adam
2016-01-31 12:01:09 +00:00
parent 404379049a fa64b89ad7
commit 5fce21728e
6 changed files with 75 additions and 13 deletions
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37
utf8.c
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@ -723,6 +723,43 @@ utf8_trimcstr(const char *s, u_int width)
return (out);
}
/* Trim UTF-8 string to width. Caller frees. */
char *
utf8_rtrimcstr(const char *s, u_int width)
{
struct utf8_data *tmp, *next, *end;
char *out;
u_int at;
tmp = utf8_fromcstr(s);
for (end = tmp; end->size != 0; end++)
/* nothing */;
if (end == tmp) {
free(tmp);
return (xstrdup(""));
}
next = end - 1;
at = 0;
for (;;)
{
if (at + next->width > width) {
next++;
break;
}
at += next->width;
if (next == tmp)
break;
next--;
}
out = utf8_tocstr(next);
free(tmp);
return (out);
}
/* Pad UTF-8 string to width. Caller frees. */
char *
utf8_padcstr(const char *s, u_int width)