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[PATCH] strstr-simple: pacify GCC 12.1
From: |
Paul Eggert |
Subject: |
[PATCH] strstr-simple: pacify GCC 12.1 |
Date: |
Sat, 21 May 2022 13:40:11 -0700 |
* lib/str-two-way.h (two_way_long_needle): Pacify GCC 12.1
-Wsuggest-attribute=pure (x86-64, -O2).
---
ChangeLog | 6 ++++++
lib/str-two-way.h | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 30ffdcb7c3..327100aaf1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-05-21 Paul Eggert <eggert@cs.ucla.edu>
+
+ strstr-simple: pacify GCC 12.1
+ * lib/str-two-way.h (two_way_long_needle): Pacify GCC 12.1
+ -Wsuggest-attribute=pure (x86-64, -O2).
+
2022-05-20 Paul Eggert <eggert@cs.ucla.edu>
dfa: steer cleer of POSIX-reserved symbols
diff --git a/lib/str-two-way.h b/lib/str-two-way.h
index 7ee344aea1..b00017c0b4 100644
--- a/lib/str-two-way.h
+++ b/lib/str-two-way.h
@@ -231,7 +231,7 @@ critical_factorization (const unsigned char *needle, size_t
needle_len,
most 2 * HAYSTACK_LEN - NEEDLE_LEN comparisons occur in searching.
If AVAILABLE modifies HAYSTACK_LEN (as in strstr), then at most 3 *
HAYSTACK_LEN - NEEDLE_LEN comparisons occur in searching. */
-static RETURN_TYPE
+static RETURN_TYPE _GL_ATTRIBUTE_PURE
two_way_short_needle (const unsigned char *haystack, size_t haystack_len,
const unsigned char *needle, size_t needle_len)
{
@@ -325,7 +325,7 @@ two_way_short_needle (const unsigned char *haystack, size_t
haystack_len,
If AVAILABLE modifies HAYSTACK_LEN (as in strstr), then at most 3 *
HAYSTACK_LEN - NEEDLE_LEN comparisons occur in searching, and
sublinear performance is not possible. */
-static RETURN_TYPE
+static RETURN_TYPE _GL_ATTRIBUTE_PURE
two_way_long_needle (const unsigned char *haystack, size_t haystack_len,
const unsigned char *needle, size_t needle_len)
{
--
2.36.1
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