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From 3950b1afedd1a5247dcb0eb4acffc3fe045a9fb3 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
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Date: Mon, 3 May 2021 17:10:42 +0200
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Subject: [PATCH] libselinux: label_common(): do not discard const qualifier
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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As the const qualifier is discarded in label_common(), do not return a
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const qualified pointer pointer from the local function `lookup_all()`.
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label_file.c: In function ‘lookup_common’:
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label_file.c:994:24: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
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994 | struct spec *result = (struct spec*)matches[0];
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| ^
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Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
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---
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libselinux/src/label_file.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/libselinux/src/label_file.c b/libselinux/src/label_file.c
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index cfce23e0119e..b080fcf1305b 100644
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--- a/libselinux/src/label_file.c
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+++ b/libselinux/src/label_file.c
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@@ -845,7 +845,7 @@ static void closef(struct selabel_handle *rec)
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// Finds all the matches of |key| in the given context. Returns the result in
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// the allocated array and updates the match count. If match_count is NULL,
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// stops early once the 1st match is found.
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-static const struct spec **lookup_all(struct selabel_handle *rec,
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+static struct spec **lookup_all(struct selabel_handle *rec,
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const char *key,
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int type,
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bool partial,
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@@ -861,7 +861,7 @@ static const struct spec **lookup_all(struct selabel_handle *rec,
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unsigned int sofar = 0;
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char *sub = NULL;
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- const struct spec **result = NULL;
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+ struct spec **result = NULL;
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if (match_count) {
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*match_count = 0;
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result = calloc(data->nspec, sizeof(struct spec*));
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@@ -987,11 +987,11 @@ static struct spec *lookup_common(struct selabel_handle *rec,
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const char *key,
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int type,
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bool partial) {
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- const struct spec **matches = lookup_all(rec, key, type, partial, NULL);
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+ struct spec **matches = lookup_all(rec, key, type, partial, NULL);
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if (!matches) {
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return NULL;
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}
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- struct spec *result = (struct spec*)matches[0];
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+ struct spec *result = matches[0];
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free(matches);
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return result;
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}
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@@ -1054,7 +1054,7 @@ static bool hash_all_partial_matches(struct selabel_handle *rec, const char *key
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assert(digest);
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size_t total_matches;
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- const struct spec **matches = lookup_all(rec, key, 0, true, &total_matches);
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+ struct spec **matches = lookup_all(rec, key, 0, true, &total_matches);
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if (!matches) {
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return false;
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}
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--
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2.32.0
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