33 lines
1.9 KiB
Diff
33 lines
1.9 KiB
Diff
From 4a690c47260ca507bbcf92e2a68f66d3ec9a23fb Mon Sep 17 00:00:00 2001
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From: Tom Gundersen <teg@jklm.no>
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Date: Thu, 25 Sep 2014 16:12:41 +0200
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Subject: [PATCH] shared: path-util - try to make PATH_FORECH_PREFIX look less
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wrong
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We replace the idiom "X && !(*foo = 0)" with "X && ((*foo = 0), true)".
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This is not a functional change, but should hopefully make it less
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likely that people and static analyzers believe there is a typo here
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(i.e., to make it clear that the intention was not "X && *foo != 0").
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Thanks to David Herrmann for the suggestion.
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---
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src/shared/path-util.h | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/shared/path-util.h b/src/shared/path-util.h
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index d85291bb44..8d171a57ec 100644
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--- a/src/shared/path-util.h
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+++ b/src/shared/path-util.h
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@@ -65,8 +65,8 @@ int fsck_exists(const char *fstype);
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* the tree, to root. Also returns "" (and not "/"!) for the root
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* directory. Excludes the specified directory itself */
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#define PATH_FOREACH_PREFIX(prefix, path) \
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- for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); streq(prefix, "/") ? NULL : strrchr(prefix, '/'); }); _slash && !(*_slash = 0); _slash = strrchr((prefix), '/'))
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+ for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); streq(prefix, "/") ? NULL : strrchr(prefix, '/'); }); _slash && ((*_slash = 0), true); _slash = strrchr((prefix), '/'))
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/* Same as PATH_FOREACH_PREFIX but also includes the specified path itself */
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#define PATH_FOREACH_PREFIX_MORE(prefix, path) \
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- for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); if (streq(prefix, "/")) prefix[0] = 0; strrchr(prefix, 0); }); _slash && !(*_slash = 0); _slash = strrchr((prefix), '/'))
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+ for (char *_slash = ({ path_kill_slashes(strcpy(prefix, path)); if (streq(prefix, "/")) prefix[0] = 0; strrchr(prefix, 0); }); _slash && ((*_slash = 0), true); _slash = strrchr((prefix), '/'))
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