* predefined table is a little faster...

diff --git a/libcitadel/lib/stringbuf.c b/libcitadel/lib/stringbuf.c
index 8f37fada7d726a9c41532c3bc70da70b096d2d19..1573ee979dda339136ad834f8a26acfbea661b5b 100644 (file)
--- a/libcitadel/lib/stringbuf.c
+++ b/libcitadel/lib/stringbuf.c
@@ -29,6 +29,24 @@ int BaseStrBufSize = 64;
 
 const char *StrBufNOTNULL = ((char*) NULL) - 1;
 
+const char HexList[256][3] = {
+"00","01","02","03","04","05","06","07","08","09","0A","0B","0C","0D","0E","0F",
+"10","11","12","13","14","15","16","17","18","19","1A","1B","1C","1D","1E","1F",
+"20","21","22","23","24","25","26","27","28","29","2A","2B","2C","2D","2E","2F",
+"30","31","32","33","34","35","36","37","38","39","3A","3B","3C","3D","3E","3F",
+"40","41","42","43","44","45","46","47","48","49","4A","4B","4C","4D","4E","4F",
+"50","51","52","53","54","55","56","57","58","59","5A","5B","5C","5D","5E","5F",
+"60","61","62","63","64","65","66","67","68","69","6A","6B","6C","6D","6E","6F",
+"70","71","72","73","74","75","76","77","78","79","7A","7B","7C","7D","7E","7F",
+"80","81","82","83","84","85","86","87","88","89","8A","8B","8C","8D","8E","8F",
+"90","91","92","93","94","95","96","97","98","99","9A","9B","9C","9D","9E","9F",
+"A0","A1","A2","A3","A4","A5","A6","A7","A8","A9","AA","AB","AC","AD","AE","AF",
+"B0","B1","B2","B3","B4","B5","B6","B7","B8","B9","BA","BB","BC","BD","BE","BF",
+"C0","C1","C2","C3","C4","C5","C6","C7","C8","C9","CA","CB","CC","CD","CE","CF",
+"D0","D1","D2","D3","D4","D5","D6","D7","D8","D9","DA","DB","DC","DD","DE","DF",
+"E0","E1","E2","E3","E4","E5","E6","E7","E8","E9","EA","EB","EC","ED","EE","EF",
+"F0","F1","F2","F3","F4","F5","F6","F7","F8","F9","FA","FB","FC","FD","FE","FF"};
+
 /**
  * @defgroup StrBuf Stringbuffer, A class for manipulating strings with dynamic buffers
  * StrBuf is a versatile class, aiding the handling of dynamic strings
@@ -777,15 +795,10 @@ void StrBufUrlescAppend(StrBuf *OutBuf, const StrBuf *In, const char *PlainIn)
                        }
                }
                if (c == 1) {
-                       char ch;
-                       ch = *pch;
                        *pt = '%';
-                       *(pt + 1) =  ((ch & 0xF0) > 0x90) ?
-                               ('A' + ((ch & 0xF0) >> 4) - 0x0A) : 
-                               ('0' + ((ch & 0xF0) >> 4)) ;
-                       *(pt + 2) =  ((ch & 0x0F) > 0x09) ?
-                               ('A' + (ch & 0x0F) - 0x0A) : 
-                               ('0' + (ch & 0x0F)) ;
+                       
+                       *(pt + 1) = HexList[(unsigned char)*pch][0];
+                       *(pt + 2) = HexList[(unsigned char)*pch][1];
                        pt += 3;
                        OutBuf->BufUsed += 3;
                        pch ++;
@@ -3480,3 +3493,4 @@ int StrBufSipLine(StrBuf *LineBuf, StrBuf *Buf, const char **Ptr)
 
        return Buf->BufUsed - (ptr - Buf->buf);
 }
+