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authorWilco Dijkstra <wilco.dijkstra@arm.com>2023-02-03 12:01:33 +0000
committerWilco Dijkstra <wilco.dijkstra@arm.com>2023-02-06 16:16:19 +0000
commit32c7acd46401530fdbd4e98508c9baaa705f8b53 (patch)
tree000fcd17f9b6ddbc14af397f33963e72a3c9d4bb /string
parentd2d3f3720ce627a4fe154d8dd14db716a32bcc6e (diff)
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Replace rawmemchr (s, '\0') with strchr
Almost all uses of rawmemchr find the end of a string.  Since most targets use
a generic implementation, replacing it with strchr is better since that is
optimized by compilers into strlen (s) + s.  Also fix the generic rawmemchr
implementation to use a cast to unsigned char in the if statement.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Diffstat (limited to 'string')
-rw-r--r--string/rawmemchr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/string/rawmemchr.c b/string/rawmemchr.c
index b44ad79859..aa8f8f2336 100644
--- a/string/rawmemchr.c
+++ b/string/rawmemchr.c
@@ -39,7 +39,7 @@ DIAG_IGNORE_NEEDS_COMMENT (11, "-Wstringop-overread");
 void *
 RAWMEMCHR (const void *s, int c)
 {
-  if (c != '\0')
+  if ((unsigned char) c != '\0')
     return memchr (s, c, (size_t)-1);
   return (char *)s + strlen (s);
 }