Usermode/libc - Fix strchr and strrchr behavior

diff --git a/Usermode/Libraries/libc.so_src/string.c b/Usermode/Libraries/libc.so_src/string.c
index d61d51d..09481d8 100644 (file)
--- a/Usermode/Libraries/libc.so_src/string.c
+++ b/Usermode/Libraries/libc.so_src/string.c
@@ -184,15 +184,16 @@ EXPORT char *strndup(const char *str, size_t maxlen)
 /**
  * \fn EXPORT char *strchr(char *str, int character)
  * \brief Locate a character in a string
+ * \note The terminating NUL is part of the string
  */
 EXPORT char *strchr(const char *_str, int character)
 {
        const unsigned char* str = (const unsigned char*)_str;
-       for(;*str;str++)
+       do
        {
                if( *str == character )
                        return (char*)str;
-       }
+       } while( *str++ );
        return NULL;
 }
 
@@ -203,11 +204,12 @@ EXPORT char *strchr(const char *_str, int character)
 EXPORT char *strrchr(const char *_str, int character)
 {
        const unsigned char* str = (const unsigned char*)_str;
-       for( size_t i = strlen(_str); i--; )
+       size_t  i = strlen(_str);
+       do
        {
                if(str[i] == character)
                        return (void*)&str[i];
-       }
+       } while( i -- );
        return NULL;
 }