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bstr: use vsnprintf with a proper size of 0 instead of a 1-sized buffer

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There is no need for that, use of 0 size is well defined.
This commit is contained in:
Kacper Michajłow 2024-09-25 01:50:02 +02:00 committed by sfan5
parent c3d9243a3e
commit 2c2755992d
1 changed files with 1 additions and 4 deletions
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5
misc/bstr.c
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@ -393,10 +393,7 @@ void bstr_xappend_vasprintf(void *talloc_ctx, bstr *s, const char *fmt,
va_copy(copy, ap);
size_t avail = talloc_get_size(s->start) - s->len;
char *dest = s->start ? s->start + s->len : NULL;
char c;
if (avail < 1)
dest = &c;
size = vsnprintf(dest, MPMAX(avail, 1), fmt, copy);
size = vsnprintf(dest, avail, fmt, copy);
va_end(copy);
if (size < 0)