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core: use C++ versions of membuffer in add_to_string

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Avoid explicit calls to free().

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-03-10 16:50:03 +01:00 • committed by bstoeger
parent e65ba50c1a
commit 84b7ffafd2
1 changed files with 1 additions and 3 deletions
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4
core/membuffer.cpp
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@ -309,12 +309,10 @@ void put_quoted(struct membuffer *b, const char *text, int is_attribute, int is_
char *add_to_string_va(char *old, const char *fmt, va_list args)
{
char *res;
struct membuffer o = { 0 }, n = { 0 };
struct membufferpp o, n;
put_vformat(&n, fmt, args);
put_format(&o, "%s\n%s", old ?: "", mb_cstring(&n));
res = strdup(mb_cstring(&o));
free_buffer(&o);
free_buffer(&n);
free((void *)old);
return res;
}