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apply: remove unused call to free() in gitdiff_{old,new}name()
These two functions keep a copy of filename it was given, let gitdiff_verify_name() to rewrite it to a new filename and then free the original if they receive a newly minted filename. However (1) when the original name is NULL, gitdiff_verify_name() returns either NULL or a newly minted value. Either case, we do not have to worry about calling free() on the original NULL. (2) when the original name is not NULL, gitdiff_verify_name() either returns that as-is, or calls die() when it finds inconsistency in the patch. When the function returns, we know that "if ()" statement always is false. Noticed by Christian Couder. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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1 changed files with 0 additions and 6 deletions
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@ -953,21 +953,15 @@ static char *gitdiff_verify_name(const char *line, int isnull, char *orig_name,
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static int gitdiff_oldname(const char *line, struct patch *patch)
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{
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char *orig = patch->old_name;
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patch->old_name = gitdiff_verify_name(line, patch->is_new, patch->old_name,
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DIFF_OLD_NAME);
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if (orig != patch->old_name)
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free(orig);
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return 0;
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}
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static int gitdiff_newname(const char *line, struct patch *patch)
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{
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char *orig = patch->new_name;
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patch->new_name = gitdiff_verify_name(line, patch->is_delete, patch->new_name,
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DIFF_NEW_NAME);
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if (orig != patch->new_name)
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free(orig);
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return 0;
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}
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