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Require C90 compliance

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Assume all supported platforms implement C90, and therefore they
(correctly) implement atexit(), memmove(), setlocale(), strerror(),
and vprintf(), and have <float.h> and <limits.h>.

(Also remove the configure check testing that "do ... while (0)" works
correctly; the non-do/while-based version of G_STMT_START and
G_STMT_END was removed years ago, but the check remained. Also, remove
some checks that configure.ac claimed were needed for libcharset, but
aren't actually used.)

Note that removing the g_memmove() function is not an ABI break even
on systems where g_memmove() was previously not a macro, because it
was never marked GLIB_AVAILABLE_IN_ALL or listed in glib.symbols, so
it would have been glib-internal since 2004.

https://bugzilla.gnome.org/show_bug.cgi?id=710519
This commit is contained in:
Dan Winship
2013-10-19 13:03:58 -04:00
parent 7f5b2901cf
commit 6e4a7fca43
16 changed files with 80 additions and 286 deletions
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4
glib/gbsearcharray.h
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@@ -215,7 +215,7 @@ g_bsearch_array_grow (GBSearchArray *barray,
else
barray = (GBSearchArray *) g_realloc (barray, sizeof (GBSearchArray) + new_size);
node = G_BSEARCH_ARRAY_NODES (barray) + index_ * bconfig->sizeof_node;
g_memmove (node + bconfig->sizeof_node, node, (barray->n_nodes - index_) * bconfig->sizeof_node);
memmove (node + bconfig->sizeof_node, node, (barray->n_nodes - index_) * bconfig->sizeof_node);
barray->n_nodes += 1;
return barray;
}
@@ -271,7 +271,7 @@ g_bsearch_array_remove (GBSearchArray *barray,
barray->n_nodes -= 1;
node = G_BSEARCH_ARRAY_NODES (barray) + index_ * bconfig->sizeof_node;
g_memmove (node, node + bconfig->sizeof_node, (barray->n_nodes - index_) * bconfig->sizeof_node);
memmove (node, node + bconfig->sizeof_node, (barray->n_nodes - index_) * bconfig->sizeof_node);
if (G_UNLIKELY (bconfig->flags & G_BSEARCH_ARRAY_AUTO_SHRINK))
{
guint new_size = barray->n_nodes * bconfig->sizeof_node;