diff options
Diffstat (limited to 'libs/libcurl/src/strcase.c')
| -rw-r--r-- | libs/libcurl/src/strcase.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/libs/libcurl/src/strcase.c b/libs/libcurl/src/strcase.c index f932485204..09d2a8a961 100644 --- a/libs/libcurl/src/strcase.c +++ b/libs/libcurl/src/strcase.c @@ -28,8 +28,6 @@ #include "strcase.h" -static char raw_tolower(char in); - /* Mapping table to go from lowercase to uppercase for plain ASCII.*/ static const unsigned char touppermap[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, @@ -79,7 +77,7 @@ char Curl_raw_toupper(char in) /* Portable, consistent tolower. Do not use tolower() because its behavior is altered by the current locale. */ -static char raw_tolower(char in) +char Curl_raw_tolower(char in) { return tolowermap[(unsigned char) in]; } @@ -165,7 +163,7 @@ void Curl_strntolower(char *dest, const char *src, size_t n) return; do { - *dest++ = raw_tolower(*src); + *dest++ = Curl_raw_tolower(*src); } while(*src++ && --n); } @@ -179,6 +177,28 @@ bool Curl_safecmp(char *a, char *b) return !a && !b; } +/* + * Curl_timestrcmp() returns 0 if the two strings are identical. The time this + * function spends is a function of the shortest string, not of the contents. + */ +int Curl_timestrcmp(const char *a, const char *b) +{ + int match = 0; + int i = 0; + + if(a && b) { + while(1) { + match |= a[i]^b[i]; + if(!a[i] || !b[i]) + break; + i++; + } + } + else + return a || b; + return match; +} + /* --- public functions --- */ int curl_strequal(const char *first, const char *second) |