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Silence GCC's "cast of pointer to integer of a different size" warning
When calculating hashes from pointers, it actually makes sense to cut off the most significant bits. In that case, said warning does not make a whole lot of sense. So let's just work around it by casting the pointer first to intptr_t and then casting up/down to the final integral type. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -18,6 +18,8 @@
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA. */
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#include <stdint.h>
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static reg_errcode_t re_compile_internal (regex_t *preg, const char * pattern,
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size_t length, reg_syntax_t syntax);
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static void re_compile_fastmap_iter (regex_t *bufp,
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@ -2577,7 +2579,7 @@ parse_dup_op (bin_tree_t *elem, re_string_t *regexp, re_dfa_t *dfa,
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old_tree = NULL;
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if (elem->token.type == SUBEXP)
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postorder (elem, mark_opt_subexp, (void *) (long) elem->token.opr.idx);
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postorder (elem, mark_opt_subexp, (void *) (intptr_t) elem->token.opr.idx);
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tree = create_tree (dfa, elem, NULL, (end == -1 ? OP_DUP_ASTERISK : OP_ALT));
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if (BE (tree == NULL, 0))
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@ -3806,7 +3808,7 @@ create_token_tree (re_dfa_t *dfa, bin_tree_t *left, bin_tree_t *right,
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static reg_errcode_t
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mark_opt_subexp (void *extra, bin_tree_t *node)
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{
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int idx = (int) (long) extra;
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int idx = (int) (intptr_t) extra;
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if (node->token.type == SUBEXP && node->token.opr.idx == idx)
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node->token.opt_subexp = 1;
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@ -21,7 +21,7 @@ static int pack_revindex_hashsz;
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static int pack_revindex_ix(struct packed_git *p)
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{
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unsigned long ui = (unsigned long)p;
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unsigned long ui = (unsigned long)(intptr_t)p;
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int i;
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ui = ui ^ (ui >> 16); /* defeat structure alignment */
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@ -2014,7 +2014,7 @@ static unsigned long pack_entry_hash(struct packed_git *p, off_t base_offset)
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{
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unsigned long hash;
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hash = (unsigned long)p + (unsigned long)base_offset;
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hash = (unsigned long)(intptr_t)p + (unsigned long)base_offset;
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hash += (hash >> 8) + (hash >> 16);
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return hash % MAX_DELTA_CACHE;
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}
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