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Do not expand single character format aliases inside #[] since they

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interfere with colours. GitHub issue 3239 from Magnus Gross.
This commit is contained in:
nicm 2022-06-27 09:14:49 +00:00
parent 9c89f7c2af
commit 786cff8db9
1 changed files with 11 additions and 7 deletions
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18
format.c
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@ -4606,7 +4606,7 @@ format_expand1(struct format_expand_state *es, const char *fmt)
{
struct format_tree *ft = es->ft;
char *buf, *out, *name;
const char *ptr, *s;
const char *ptr, *s, *style_end = NULL;
size_t off, len, n, outlen;
int ch, brackets;
char expanded[8192];
@ -4701,13 +4701,14 @@ format_expand1(struct format_expand_state *es, const char *fmt)
break;
fmt += n + 1;
continue;
case '[':
case '#':
/*
* If ##[ (with two or more #s), then it is a style and
* can be left for format_draw to handle.
*/
ptr = fmt;
n = 2;
ptr = fmt - (ch == '[');
n = 2 - (ch == '[');
while (*ptr == '#') {
ptr++;
n++;
@ -4721,6 +4722,7 @@ format_expand1(struct format_expand_state *es, const char *fmt)
memcpy(buf + off, fmt - 2, n + 1);
off += n + 1;
fmt = ptr + 1;
style_end = format_skip(fmt - 2, "]");
continue;
}
/* FALLTHROUGH */
@ -4735,10 +4737,12 @@ format_expand1(struct format_expand_state *es, const char *fmt)
continue;
default:
s = NULL;
if (ch >= 'A' && ch <= 'Z')
s = format_upper[ch - 'A'];
else if (ch >= 'a' && ch <= 'z')
s = format_lower[ch - 'a'];
if (fmt > style_end) { /* skip inside #[] */
if (ch >= 'A' && ch <= 'Z')
s = format_upper[ch - 'A'];
else if (ch >= 'a' && ch <= 'z')
s = format_lower[ch - 'a'];
}
if (s == NULL) {
while (len - off < 3) {
buf = xreallocarray(buf, 2, len);