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Add p format modifier for padding to width.

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This commit is contained in:
nicm
2019-11-25 15:04:15 +00:00
parent 5d0504ee11
commit 1ebd8c1234
4 changed files with 52 additions and 3 deletions
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23
utf8.c
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@ -390,7 +390,7 @@ utf8_cstrwidth(const char *s)
return (width);
}
/* Pad UTF-8 string to width. Caller frees. */
/* Pad UTF-8 string to width on the left. Caller frees. */
char *
utf8_padcstr(const char *s, u_int width)
{
@ -411,6 +411,27 @@ utf8_padcstr(const char *s, u_int width)
return (out);
}
/* Pad UTF-8 string to width on the right. Caller frees. */
char *
utf8_rpadcstr(const char *s, u_int width)
{
size_t slen;
char *out;
u_int n, i;
n = utf8_cstrwidth(s);
if (n >= width)
return (xstrdup(s));
slen = strlen(s);
out = xmalloc(slen + 1 + (width - n));
for (i = 0; i < width - n; i++)
out[i] = ' ';
memcpy(out + i, s, slen);
out[i + slen] = '\0';
return (out);
}
int
utf8_cstrhas(const char *s, const struct utf8_data *ud)
{