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Merge branch 'wip/smcv/64-bit-hash' into 'main'

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ghash: Correctly retrieve low 32 bits of 64-bit values

Closes #2787

See merge request GNOME/glib!2994
This commit is contained in:
Philip Withnall 2022-10-24 20:22:15 +00:00
commit e33f23a6b5
1 changed files with 7 additions and 2 deletions
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9
glib/ghash.c
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@ -2496,7 +2496,9 @@ g_int64_equal (gconstpointer v1,
guint
g_int64_hash (gconstpointer v)
{
return (guint) ((const guint) (*(guint64 *) v >> 32)) ^ (*(const guint *) v);
const guint64 *bits = v;
return (guint) ((*bits >> 32) ^ (*bits & 0xffffffffU));
}
/**
@ -2537,5 +2539,8 @@ g_double_equal (gconstpointer v1,
guint
g_double_hash (gconstpointer v)
{
return (guint) ((const guint) (*(guint64 *) v >> 32)) ^ (*(const guint *) v);
/* Same as g_int64_hash() */
const guint64 *bits = v;
return (guint) ((*bits >> 32) ^ (*bits & 0xffffffffU));
}