gallium/util: add some const qualifiers in u_bitmask.c
And add/update comments. Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com> Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
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@@ -90,7 +90,7 @@ static inline boolean
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util_bitmask_resize(struct util_bitmask *bm,
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unsigned minimum_index)
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{
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unsigned minimum_size = minimum_index + 1;
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const unsigned minimum_size = minimum_index + 1;
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unsigned new_size;
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util_bitmask_word *new_words;
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@@ -131,7 +131,7 @@ util_bitmask_resize(struct util_bitmask *bm,
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/**
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* Lazily update the filled.
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* Check if we can increment the filled counter.
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*/
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static inline void
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util_bitmask_filled_set(struct util_bitmask *bm,
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@@ -146,6 +146,10 @@ util_bitmask_filled_set(struct util_bitmask *bm,
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}
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}
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/**
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* Check if we need to decrement the filled counter.
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*/
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static inline void
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util_bitmask_filled_unset(struct util_bitmask *bm,
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unsigned index)
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@@ -167,7 +171,7 @@ util_bitmask_add(struct util_bitmask *bm)
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assert(bm);
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/* linear search for an empty index */
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/* linear search for an empty index, starting at filled position */
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word = bm->filled / UTIL_BITMASK_BITS_PER_WORD;
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bit = bm->filled % UTIL_BITMASK_BITS_PER_WORD;
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mask = 1 << bit;
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@@ -249,9 +253,9 @@ boolean
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util_bitmask_get(struct util_bitmask *bm,
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unsigned index)
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{
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unsigned word = index / UTIL_BITMASK_BITS_PER_WORD;
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unsigned bit = index % UTIL_BITMASK_BITS_PER_WORD;
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util_bitmask_word mask = 1 << bit;
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const unsigned word = index / UTIL_BITMASK_BITS_PER_WORD;
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const unsigned bit = index % UTIL_BITMASK_BITS_PER_WORD;
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const util_bitmask_word mask = 1 << bit;
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assert(bm);
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