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authorMattias Andrée <maandree@operamail.com>2015-11-13 22:01:11 +0100
committerMattias Andrée <maandree@operamail.com>2015-11-13 22:01:11 +0100
commit3ebcc813dc643fc0853ebc159fa5b6e747258933 (patch)
tree448a287a5ed02ca8705538d71215431840b94816
parentadd todos (diff)
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improve performance on strstr and wcsstr if the needle is one character wide
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--src/string/strstr.c2
-rw-r--r--src/wchar/wcsstr.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/src/string/strstr.c b/src/string/strstr.c
index a2c31f6..f396570 100644
--- a/src/string/strstr.c
+++ b/src/string/strstr.c
@@ -37,6 +37,8 @@
*/
char* (strstr)(const char* haystack, const char* needle)
{
+ if (*needle && !(needle[1]))
+ return (strchr)(haystack, *needle);
return (memmem)(haystack, strlen(haystack), needle, strlen(needle));
}
diff --git a/src/wchar/wcsstr.c b/src/wchar/wcsstr.c
index 36ae893..b0600e1 100644
--- a/src/wchar/wcsstr.c
+++ b/src/wchar/wcsstr.c
@@ -33,6 +33,8 @@
*/
wchar_t* (wcswcs)(const wchar_t* haystack, const wchar_t* needle)
{
+ if (*needle && !(needle[1]))
+ return (wcschr)(haystack, *needle);
return (wcsstr)(haystack, needle);
}