[libmicrohttpd] 02/02: MHD_base64_to_bin_n(): improved readbility

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit d17b6cb79dd660083c22e06cc7b7aa6c7aea921d
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Fri Jun 2 16:10:02 2023 +0300

    MHD_base64_to_bin_n(): improved readbility
    
    No functional change
---
 src/microhttpd/mhd_str.c | 73 ++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 64 insertions(+), 9 deletions(-)

diff --git a/src/microhttpd/mhd_str.c b/src/microhttpd/mhd_str.c
index 3dd3783a..ff482020 100644
--- a/src/microhttpd/mhd_str.c
+++ b/src/microhttpd/mhd_str.c
@@ -2212,15 +2212,70 @@ MHD_base64_to_bin_n (const char *base64,
 #endif /* MHD_FAVOR_SMALL_CODE */
   static const map_type map[] = {
     /* -1 = invalid char, -2 = padding
-     0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  A,  B,  C,  D,  E,  F */
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,  /* 00..0F 
*/
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,  /* 10..1F 
*/
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,  /* 20..2F 
*/
-    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -2, -1, -1,  /* 30..3F 
*/
-    -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,  /* 40..4F 
*/
-    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,  /* 50..5F 
*/
-    -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,  /* 60..6F 
*/
-    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1   /* 70..7F 
*/
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    NUL,  SOH,  STX,  ETX,  EOT,  ENQ,  ACK,  BEL,  */
+    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
+    /*
+    0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+    BS,   HT,   LF,   VT,   FF,   CR,   SO,   SI,   */
+    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
+    /*
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    DLE,  DC1,  DC2,  DC3,  DC4,  NAK,  SYN,  ETB,  */
+    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
+    /*
+    0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
+    CAN,  EM,   SUB,  ESC,  FS,   GS,   RS,   US,   */
+    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
+    /*
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+    ' ',  '!',  '"',  '#',  '$',  '%',  '&',  '\'', */
+    -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
+    /*
+    0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
+    '(',  ')',  '*',  '+',  ',',  '-',  '.',  '/',  */
+    -1,   -1,   -1,   62,   -1,   -1,   -1,   63,
+    /*
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+    '0',  '1',  '2',  '3',  '4',  '5',  '6',  '7',  */
+    52,   53,   54,   55,   56,   57,   58,   59,
+    /*
+    0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
+    '8',  '9',  ':',  ';',  '<',  '=',  '>',  '?',  */
+    60,   61,   -1,   -1,   -1,   -2,   -1,   -1,
+    /*
+    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+    '@',  'A',  'B',  'C',  'D',  'E',  'F',  'G',  */
+    -1,    0,    1,    2,    3,    4,    5,    6,
+    /*
+    0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
+    'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',  */
+    7,     8,    9,   10,   11,   12,   13,   14,
+    /*
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+    'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',  */
+    15,   16,   17,   18,   19,   20,   21,   22,
+    /*
+     0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
+    'X',  'Y',  'Z',  '[',  '\',  ']',  '^',  '_',  */
+    23,   24,   25,   -1,   -1,   -1,   -1,   -1,
+    /*
+    0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+    '`',  'a',  'b',  'c',  'd',  'e',  'f',  'g',  */
+    -1,   26,   27,   28,   29,   30,   31,   32,
+    /*
+    0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
+    'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',  */
+    33,   34,   35,   36,   37,   38,   39,   40,
+    /*
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+    'p',  'q',  'r',  's',  't',  'u',  'v',  'w',  */
+    41,   42,   43,   44,   45,   46,   47,   48,
+    /*
+    0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
+    'x',  'y',  'z',  '{',  '|',  '}',  '~',  DEL,  */
+    49,   50,   51,   -1,   -1,   -1,   -1,   -1
+
 #ifndef MHD_FAVOR_SMALL_CODE
     ,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,  /* 80..8F 
*/

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