get rid of c99-isms

src/microhttpd/test_sha256.c

@@ -33,7 +33,7 @@ static int verbose = 0; /* verbose level (0-1)*/
 
 struct str_with_len
 {
-  const char * const str;
+  const char *const str;
   const size_t len;
 };
 
@@ -46,31 +46,47 @@ struct data_unit1
 };
 
 static const struct data_unit1 data_units1[] = {
-    {D_STR_W_LEN("abc"),
-        {0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23,
-         0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad}},
-    {D_STR_W_LEN("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"),
-        {0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39,
-         0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1}},
-    {D_STR_W_LEN(""),
-        {0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
-         0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55}},
-    {D_STR_W_LEN("1234567890!@~%&$@#{}[]\\/!?`."),
-        {0x2f, 0xad, 0x7a, 0xff, 0x7d, 0xfe, 0xcd, 0x78, 0xe4, 0xa6, 0xf3, 0x85, 0x97, 0x9d, 0xdc, 0x39,
-         0x55, 0x24, 0x35, 0x4a, 0x00, 0x6f, 0x42, 0x72, 0x41, 0xc1, 0x52, 0xa7, 0x01, 0x0b, 0x2c, 0x41}},
-    {D_STR_W_LEN("Simple string."),
-        {0x01, 0x73, 0x17, 0xc4, 0x0a, 0x9a, 0x0e, 0x81, 0xb3, 0xa4, 0xb1, 0x8e, 0xe9, 0xd6, 0xc2, 0xdf,
-         0xfa, 0x7d, 0x53, 0x4e, 0xa1, 0xda, 0xb2, 0x5a, 0x75, 0xbb, 0x2c, 0x30, 0x2f, 0x5f, 0x7a, 0xf4}},
-    {D_STR_W_LEN("abcdefghijklmnopqrstuvwxyz"),
-        {0x71, 0xc4, 0x80, 0xdf, 0x93, 0xd6, 0xae, 0x2f, 0x1e, 0xfa, 0xd1, 0x44, 0x7c, 0x66, 0xc9, 0x52,
-         0x5e, 0x31, 0x62, 0x18, 0xcf, 0x51, 0xfc, 0x8d, 0x9e, 0xd8, 0x32, 0xf2, 0xda, 0xf1, 0x8b, 0x73}},
-    {D_STR_W_LEN("zyxwvutsrqponMLKJIHGFEDCBA"),
-        {0xce, 0x7d, 0xde, 0xb6, 0x1f, 0x7c, 0x1d, 0x83, 0x7c, 0x60, 0xd8, 0x36, 0x73, 0x82, 0xac, 0x92,
-         0xca, 0x37, 0xfd, 0x72, 0x8b, 0x0c, 0xd1, 0x6c, 0x55, 0xd5, 0x88, 0x98, 0x24, 0xfa, 0x16, 0xf2}},
-    {D_STR_W_LEN("abcdefghijklmnopqrstuvwxyzzyxwvutsrqponMLKJIHGFEDCBA"
-                 "abcdefghijklmnopqrstuvwxyzzyxwvutsrqponMLKJIHGFEDCBA"),
-        {0x27, 0xd1, 0xe8, 0xbc, 0x6a, 0x79, 0x16, 0x83, 0x61, 0x73, 0xa9, 0xa8, 0x9b, 0xaf, 0xaf, 0xcf,
-         0x47, 0x4d, 0x09, 0xef, 0x6d, 0x50, 0x35, 0x12, 0x25, 0x72, 0xd8, 0x68, 0xdc, 0x1f, 0xd2, 0xf4}},
+  {D_STR_W_LEN ("abc"),
+   {0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde,
+    0x5d, 0xae, 0x22, 0x23,
+    0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61,
+    0xf2, 0x00, 0x15, 0xad}},
+  {D_STR_W_LEN ("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"),
+   {0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93,
+    0x0c, 0x3e, 0x60, 0x39,
+    0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4,
+    0x19, 0xdb, 0x06, 0xc1}},
+  {D_STR_W_LEN (""),
+   {0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8,
+    0x99, 0x6f, 0xb9, 0x24,
+    0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, 0xa4, 0x95, 0x99, 0x1b,
+    0x78, 0x52, 0xb8, 0x55}},
+  {D_STR_W_LEN ("1234567890!@~%&$@#{}[]\\/!?`."),
+   {0x2f, 0xad, 0x7a, 0xff, 0x7d, 0xfe, 0xcd, 0x78, 0xe4, 0xa6, 0xf3, 0x85,
+    0x97, 0x9d, 0xdc, 0x39,
+    0x55, 0x24, 0x35, 0x4a, 0x00, 0x6f, 0x42, 0x72, 0x41, 0xc1, 0x52, 0xa7,
+    0x01, 0x0b, 0x2c, 0x41}},
+  {D_STR_W_LEN ("Simple string."),
+   {0x01, 0x73, 0x17, 0xc4, 0x0a, 0x9a, 0x0e, 0x81, 0xb3, 0xa4, 0xb1, 0x8e,
+    0xe9, 0xd6, 0xc2, 0xdf,
+    0xfa, 0x7d, 0x53, 0x4e, 0xa1, 0xda, 0xb2, 0x5a, 0x75, 0xbb, 0x2c, 0x30,
+    0x2f, 0x5f, 0x7a, 0xf4}},
+  {D_STR_W_LEN ("abcdefghijklmnopqrstuvwxyz"),
+   {0x71, 0xc4, 0x80, 0xdf, 0x93, 0xd6, 0xae, 0x2f, 0x1e, 0xfa, 0xd1, 0x44,
+    0x7c, 0x66, 0xc9, 0x52,
+    0x5e, 0x31, 0x62, 0x18, 0xcf, 0x51, 0xfc, 0x8d, 0x9e, 0xd8, 0x32, 0xf2,
+    0xda, 0xf1, 0x8b, 0x73}},
+  {D_STR_W_LEN ("zyxwvutsrqponMLKJIHGFEDCBA"),
+   {0xce, 0x7d, 0xde, 0xb6, 0x1f, 0x7c, 0x1d, 0x83, 0x7c, 0x60, 0xd8, 0x36,
+    0x73, 0x82, 0xac, 0x92,
+    0xca, 0x37, 0xfd, 0x72, 0x8b, 0x0c, 0xd1, 0x6c, 0x55, 0xd5, 0x88, 0x98,
+    0x24, 0xfa, 0x16, 0xf2}},
+  {D_STR_W_LEN ("abcdefghijklmnopqrstuvwxyzzyxwvutsrqponMLKJIHGFEDCBA"
+                "abcdefghijklmnopqrstuvwxyzzyxwvutsrqponMLKJIHGFEDCBA"),
+   {0x27, 0xd1, 0xe8, 0xbc, 0x6a, 0x79, 0x16, 0x83, 0x61, 0x73, 0xa9, 0xa8,
+    0x9b, 0xaf, 0xaf, 0xcf,
+    0x47, 0x4d, 0x09, 0xef, 0x6d, 0x50, 0x35, 0x12, 0x25, 0x72, 0xd8, 0x68,
+    0xdc, 0x1f, 0xd2, 0xf4}},
 };
 
 static const size_t units1_num = sizeof(data_units1) / sizeof(data_units1[0]);
@@ -89,95 +105,154 @@ struct data_unit2
 
 /* Size must be less than 512 bytes! */
 static const struct data_unit2 data_units2[] = {
-    { { {97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116,
-        117, 118, 119, 120, 121, 122}, 26},/* a..z ASCII sequence */
-      {0x71, 0xc4, 0x80, 0xdf, 0x93, 0xd6, 0xae, 0x2f, 0x1e, 0xfa, 0xd1, 0x44, 0x7c, 0x66, 0xc9, 0x52,
-       0x5e, 0x31, 0x62, 0x18, 0xcf, 0x51, 0xfc, 0x8d, 0x9e, 0xd8, 0x32, 0xf2, 0xda, 0xf1, 0x8b, 0x73}
-    },
-    { { {65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
-        65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
-        65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65
-        }, 72 },/* 'A' x 72 times */
-      {0x6a, 0x6d, 0x69, 0x1a, 0xc9, 0xba, 0x70, 0x95, 0x50, 0x46, 0x75, 0x7c, 0xd6, 0x85, 0xb6, 0x25,
-       0x77, 0x73, 0xff, 0x3a, 0xd9, 0x3f, 0x43, 0xd4, 0xd4, 0x81, 0x2c, 0x5b, 0x10, 0x6f, 0x4b, 0x5b}
-    },
-    { { {19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
-        43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
-        68, 69, 70, 71, 72, 73}, 55},/* 19..73 sequence */
-      {0x06, 0xe4, 0xb3, 0x9e, 0xf1, 0xfb, 0x6c, 0xcf, 0xd7, 0x3f, 0x50, 0x9e, 0xf4, 0x16, 0x17, 0xd4,
-       0x63, 0x7c, 0x39, 0x1e, 0xa8, 0x0f, 0xa9, 0x88, 0x03, 0x44, 0x98, 0x0e, 0x95, 0x81, 0xf0, 0x2a}
-    },
-    { { {7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
-        32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56,
-        57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69}, 63},/* 7..69 sequence */
-      {0x4a, 0xd3, 0xc6, 0x87, 0x1f, 0xd1, 0xc5, 0xe2, 0x3e, 0x52, 0xdc, 0x22, 0xd1, 0x10, 0xd2, 0x05,
-       0x15, 0x23, 0xcd, 0x15, 0xac, 0x24, 0x88, 0x26, 0x02, 0x00, 0x70, 0x78, 0x9f, 0x17, 0xf8, 0xd9}
-    },
-    { { {38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
-        62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86,
-        87, 88, 89, 90, 91, 92}, 55},/* 38..92 sequence */
-      {0xe6, 0x03, 0x0f, 0xc9, 0x0d, 0xca, 0x0c, 0x26, 0x41, 0xcf, 0x43, 0x27, 0xec, 0xd6, 0x28, 0x2a,
-       0x98, 0x24, 0x55, 0xd3, 0x5a, 0xed, 0x8b, 0x32, 0x19, 0x78, 0xeb, 0x83, 0x1d, 0x19, 0x92, 0x79}
-    },
-    { { {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
-        28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
-        53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72},
+  { { {97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
+       112, 113, 114, 115, 116,
+       117, 118, 119, 120, 121, 122}, 26}, /* a..z ASCII sequence */
+    {0x71, 0xc4, 0x80, 0xdf, 0x93, 0xd6, 0xae, 0x2f, 0x1e, 0xfa, 0xd1, 0x44,
+     0x7c, 0x66, 0xc9, 0x52,
+     0x5e, 0x31, 0x62, 0x18, 0xcf, 0x51, 0xfc, 0x8d, 0x9e, 0xd8, 0x32, 0xf2,
+     0xda, 0xf1, 0x8b, 0x73}},
+  { { {65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
+       65, 65, 65, 65, 65, 65,
+       65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
+       65, 65, 65, 65, 65, 65,
+       65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
+       65, 65, 65, 65, 65, 65}, 72 },/* 'A' x 72 times */
+    {0x6a, 0x6d, 0x69, 0x1a, 0xc9, 0xba, 0x70, 0x95, 0x50, 0x46, 0x75, 0x7c,
+     0xd6, 0x85, 0xb6, 0x25,
+     0x77, 0x73, 0xff, 0x3a, 0xd9, 0x3f, 0x43, 0xd4, 0xd4, 0x81, 0x2c, 0x5b,
+     0x10, 0x6f, 0x4b, 0x5b}},
+  { { {19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
+       37, 38, 39, 40, 41, 42,
+       43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60,
+       61, 62, 63, 64, 65, 66, 67,
+       68, 69, 70, 71, 72, 73}, 55}, /* 19..73 sequence */
+    {0x06, 0xe4, 0xb3, 0x9e, 0xf1, 0xfb, 0x6c, 0xcf, 0xd7, 0x3f, 0x50, 0x9e,
+     0xf4, 0x16, 0x17, 0xd4,
+     0x63, 0x7c, 0x39, 0x1e, 0xa8, 0x0f, 0xa9, 0x88, 0x03, 0x44, 0x98, 0x0e,
+     0x95, 0x81, 0xf0, 0x2a}},
+  { { {7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+       26, 27, 28, 29, 30, 31,
+       32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+       50, 51, 52, 53, 54, 55, 56,
+       57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69}, 63}, /* 7..69 sequence */
+    {0x4a, 0xd3, 0xc6, 0x87, 0x1f, 0xd1, 0xc5, 0xe2, 0x3e, 0x52, 0xdc, 0x22,
+     0xd1, 0x10, 0xd2, 0x05,
+     0x15, 0x23, 0xcd, 0x15, 0xac, 0x24, 0x88, 0x26, 0x02, 0x00, 0x70, 0x78,
+     0x9f, 0x17, 0xf8, 0xd9}},
+  { { {38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
+       56, 57, 58, 59, 60, 61,
+       62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+       80, 81, 82, 83, 84, 85, 86,
+       87, 88, 89, 90, 91, 92}, 55}, /* 38..92 sequence */
+    {0xe6, 0x03, 0x0f, 0xc9, 0x0d, 0xca, 0x0c, 0x26, 0x41, 0xcf, 0x43, 0x27,
+     0xec, 0xd6, 0x28, 0x2a,
+     0x98, 0x24, 0x55, 0xd3, 0x5a, 0xed, 0x8b, 0x32, 0x19, 0x78, 0xeb, 0x83,
+     0x1d, 0x19, 0x92, 0x79}},
+  { { {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+       21, 22, 23, 24, 25, 26, 27,
+       28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
+       46, 47, 48, 49, 50, 51, 52,
+       53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
+       71, 72},
       72},/* 1..72 sequence */
-      {0x87, 0xa2, 0xfa, 0x2e, 0xec, 0x53, 0x05, 0x3c, 0xb1, 0xee, 0x07, 0xd7, 0x59, 0x70, 0xf6, 0x50,
-       0xcd, 0x9d, 0xc5, 0x8b, 0xdc, 0xb8, 0x65, 0x30, 0x4f, 0x70, 0x82, 0x9e, 0xbd, 0xe2, 0x7d, 0xac}
-    },
-    { { {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
-        27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
-        52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76,
-        77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100,
-        101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120,
-        121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140,
-        141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160,
-        161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180,
-        181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200,
-        201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220,
-        221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240,
-        241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}, 256}, /* 0..255 sequence */
-      {0x40, 0xaf, 0xf2, 0xe9, 0xd2, 0xd8, 0x92, 0x2e, 0x47, 0xaf, 0xd4, 0x64, 0x8e, 0x69, 0x67, 0x49,
-       0x71, 0x58, 0x78, 0x5f, 0xbd, 0x1d, 0xa8, 0x70, 0xe7, 0x11, 0x02, 0x66, 0xbf, 0x94, 0x48, 0x80}
-    },
-    { { {199, 198, 197, 196, 195, 194, 193, 192, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180,
-        179, 178, 177, 176, 175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162, 161, 160,
-        159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 143, 142, 141, 140,
-        139}, 61}, /* 199..139 sequence */
-      {0x85, 0xf8, 0xa2, 0x83, 0xd6, 0x3c, 0x76, 0x8e, 0xea, 0x8f, 0x1c, 0x57, 0x2d, 0x85, 0xb6, 0xff,
-       0xd8, 0x33, 0x57, 0x62, 0x1d, 0x37, 0xae, 0x0e, 0xfc, 0x22, 0xd3, 0xd5, 0x8f, 0x53, 0x21, 0xb7}
-    },
-    { { {255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240, 239, 238, 237, 236,
-        235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 223, 222, 221, 220, 219, 218, 217, 216,
-        215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 205, 204, 203, 202, 201, 200, 199, 198, 197, 196,
-        195, 194, 193, 192, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, 178, 177, 176,
-        175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162, 161, 160, 159, 158, 157, 156,
-        155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 143, 142, 141, 140, 139, 138, 137, 136,
-        135, 134, 133, 132, 131, 130, 129, 128, 127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116,
-        115, 114, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 97, 96, 95,
-        94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70,
-        69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45,
-        44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20,
-        19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}, 255}, /* 255..1 sequence */
-      {0x61, 0x86, 0x96, 0xab, 0x3e, 0xaa, 0x0e, 0x64, 0xb2, 0xf7, 0x2d, 0x75, 0x47, 0x5a, 0x14, 0x97,
-       0xa3, 0x3d, 0x59, 0xa4, 0x08, 0xd9, 0x9e, 0x73, 0xf2, 0x78, 0x00, 0x5b, 0x4b, 0x55, 0xca, 0x43}
-    },
-    { { {41, 35, 190, 132, 225, 108, 214, 174, 82, 144, 73, 241, 241, 187, 233, 235, 179, 166, 219, 60, 135,
-        12, 62, 153, 36, 94, 13, 28, 6, 183, 71, 222, 179, 18, 77, 200, 67, 187, 139, 166, 31, 3, 90, 125, 9,
-        56, 37, 31, 93, 212, 203, 252, 150, 245, 69, 59, 19, 13, 137, 10, 28, 219, 174, 50, 32, 154, 80, 238,
-        64, 120, 54, 253, 18, 73, 50, 246, 158, 125, 73, 220, 173, 79, 20, 242, 68, 64, 102, 208, 107, 196,
-        48, 183, 50, 59, 161, 34, 246, 34, 145, 157, 225, 139, 31, 218, 176, 202, 153, 2, 185, 114, 157, 73,
-        44, 128, 126, 197, 153, 213, 233, 128, 178, 234, 201, 204, 83, 191, 103, 214, 191, 20, 214, 126, 45,
-        220, 142, 102, 131, 239, 87, 73, 97, 255, 105, 143, 97, 205, 209, 30, 157, 156, 22, 114, 114, 230,
-        29, 240, 132, 79, 74, 119, 2, 215, 232, 57, 44, 83, 203, 201, 18, 30, 51, 116, 158, 12, 244, 213,
-        212, 159, 212, 164, 89, 126, 53, 207, 50, 34, 244, 204, 207, 211, 144, 45, 72, 211, 143, 117, 230,
-        217, 29, 42, 229, 192, 247, 43, 120, 129, 135, 68, 14, 95, 80, 0, 212, 97, 141, 190, 123, 5, 21, 7,
-        59, 51, 130, 31, 24, 112, 146, 218, 100, 84, 206, 177, 133, 62, 105, 21, 248, 70, 106, 4, 150, 115,
-        14, 217, 22, 47, 103, 104, 212, 247, 74, 74, 208, 87, 104}, 255}, /* pseudo-random data */
-      {0x08, 0x7f, 0x86, 0xac, 0xe2, 0x2e, 0x28, 0x56, 0x74, 0x53, 0x4f, 0xc0, 0xfb, 0xb8, 0x79, 0x57,
-       0xc5, 0xc8, 0xd1, 0xb7, 0x47, 0xb7, 0xd9, 0xea, 0x97, 0xa8, 0x67, 0xe9, 0x26, 0x93, 0xee, 0xa3}
-    }
+    {0x87, 0xa2, 0xfa, 0x2e, 0xec, 0x53, 0x05, 0x3c, 0xb1, 0xee, 0x07, 0xd7,
+     0x59, 0x70, 0xf6, 0x50,
+     0xcd, 0x9d, 0xc5, 0x8b, 0xdc, 0xb8, 0x65, 0x30, 0x4f, 0x70, 0x82, 0x9e,
+     0xbd, 0xe2, 0x7d, 0xac}},
+  { { {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+       21, 22, 23, 24, 25, 26,
+       27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
+       45, 46, 47, 48, 49, 50, 51,
+       52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
+       70, 71, 72, 73, 74, 75, 76,
+       77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94,
+       95, 96, 97, 98, 99, 100,
+       101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
+       115, 116, 117, 118, 119, 120,
+       121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134,
+       135, 136, 137, 138, 139, 140,
+       141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
+       155, 156, 157, 158, 159, 160,
+       161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174,
+       175, 176, 177, 178, 179, 180,
+       181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194,
+       195, 196, 197, 198, 199, 200,
+       201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214,
+       215, 216, 217, 218, 219, 220,
+       221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234,
+       235, 236, 237, 238, 239, 240,
+       241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254,
+       255}, 256},                                                                        /* 0..255 sequence */
+    {0x40, 0xaf, 0xf2, 0xe9, 0xd2, 0xd8, 0x92, 0x2e, 0x47, 0xaf, 0xd4, 0x64,
+     0x8e, 0x69, 0x67, 0x49,
+     0x71, 0x58, 0x78, 0x5f, 0xbd, 0x1d, 0xa8, 0x70, 0xe7, 0x11, 0x02, 0x66,
+     0xbf, 0x94, 0x48, 0x80}},
+  { { {199, 198, 197, 196, 195, 194, 193, 192, 191, 190, 189, 188, 187, 186,
+       185, 184, 183, 182, 181, 180,
+       179, 178, 177, 176, 175, 174, 173, 172, 171, 170, 169, 168, 167, 166,
+       165, 164, 163, 162, 161, 160,
+       159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146,
+       145, 144, 143, 142, 141, 140,
+       139}, 61},  /* 199..139 sequence */
+    {0x85, 0xf8, 0xa2, 0x83, 0xd6, 0x3c, 0x76, 0x8e, 0xea, 0x8f, 0x1c, 0x57,
+     0x2d, 0x85, 0xb6, 0xff,
+     0xd8, 0x33, 0x57, 0x62, 0x1d, 0x37, 0xae, 0x0e, 0xfc, 0x22, 0xd3, 0xd5,
+     0x8f, 0x53, 0x21, 0xb7}},
+  { { {255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242,
+       241, 240, 239, 238, 237, 236,
+       235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 223, 222,
+       221, 220, 219, 218, 217, 216,
+       215, 214, 213, 212, 211, 210, 209, 208, 207, 206, 205, 204, 203, 202,
+       201, 200, 199, 198, 197, 196,
+       195, 194, 193, 192, 191, 190, 189, 188, 187, 186, 185, 184, 183, 182,
+       181, 180, 179, 178, 177, 176,
+       175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162,
+       161, 160, 159, 158, 157, 156,
+       155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 143, 142,
+       141, 140, 139, 138, 137, 136,
+       135, 134, 133, 132, 131, 130, 129, 128, 127, 126, 125, 124, 123, 122,
+       121, 120, 119, 118, 117, 116,
+       115, 114, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102,
+       101, 100, 99, 98, 97, 96, 95,
+       94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77,
+       76, 75, 74, 73, 72, 71, 70,
+       69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52,
+       51, 50, 49, 48, 47, 46, 45,
+       44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27,
+       26, 25, 24, 23, 22, 21, 20,
+       19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}, 255},  /* 255..1 sequence */
+    {0x61, 0x86, 0x96, 0xab, 0x3e, 0xaa, 0x0e, 0x64, 0xb2, 0xf7, 0x2d, 0x75,
+     0x47, 0x5a, 0x14, 0x97,
+     0xa3, 0x3d, 0x59, 0xa4, 0x08, 0xd9, 0x9e, 0x73, 0xf2, 0x78, 0x00, 0x5b,
+     0x4b, 0x55, 0xca, 0x43}},
+  { { {41, 35, 190, 132, 225, 108, 214, 174, 82, 144, 73, 241, 241, 187, 233,
+       235, 179, 166, 219, 60, 135,
+       12, 62, 153, 36, 94, 13, 28, 6, 183, 71, 222, 179, 18, 77, 200, 67, 187,
+       139, 166, 31, 3, 90, 125, 9,
+       56, 37, 31, 93, 212, 203, 252, 150, 245, 69, 59, 19, 13, 137, 10, 28,
+       219, 174, 50, 32, 154, 80, 238,
+       64, 120, 54, 253, 18, 73, 50, 246, 158, 125, 73, 220, 173, 79, 20, 242,
+       68, 64, 102, 208, 107, 196,
+       48, 183, 50, 59, 161, 34, 246, 34, 145, 157, 225, 139, 31, 218, 176, 202,
+       153, 2, 185, 114, 157, 73,
+       44, 128, 126, 197, 153, 213, 233, 128, 178, 234, 201, 204, 83, 191, 103,
+       214, 191, 20, 214, 126, 45,
+       220, 142, 102, 131, 239, 87, 73, 97, 255, 105, 143, 97, 205, 209, 30,
+       157, 156, 22, 114, 114, 230,
+       29, 240, 132, 79, 74, 119, 2, 215, 232, 57, 44, 83, 203, 201, 18, 30, 51,
+       116, 158, 12, 244, 213,
+       212, 159, 212, 164, 89, 126, 53, 207, 50, 34, 244, 204, 207, 211, 144,
+       45, 72, 211, 143, 117, 230,
+       217, 29, 42, 229, 192, 247, 43, 120, 129, 135, 68, 14, 95, 80, 0, 212,
+       97, 141, 190, 123, 5, 21, 7,
+       59, 51, 130, 31, 24, 112, 146, 218, 100, 84, 206, 177, 133, 62, 105, 21,
+       248, 70, 106, 4, 150, 115,
+       14, 217, 22, 47, 103, 104, 212, 247, 74, 74, 208, 87, 104}, 255},  /* pseudo-random data */
+    {0x08, 0x7f, 0x86, 0xac, 0xe2, 0x2e, 0x28, 0x56, 0x74, 0x53, 0x4f, 0xc0,
+     0xfb, 0xb8, 0x79, 0x57,
+     0xc5, 0xc8, 0xd1, 0xb7, 0x47, 0xb7, 0xd9, 0xea, 0x97, 0xa8, 0x67, 0xe9,
+     0x26, 0x93, 0xee, 0xa3}}
 };
 
 static const size_t units2_num = sizeof(data_units2) / sizeof(data_units2[0]);
@@ -196,17 +271,17 @@ static const size_t units2_num = sizeof(data_units2) / sizeof(data_units2[0]);
  */
 static void
 bin2hex (const uint8_t *bin,
-        size_t len,
-        char *hex)
+         size_t len,
+         char *hex)
 {
   while (len-- > 0)
-    {
-      unsigned int b1, b2;
-      b1 = (*bin >> 4) & 0xf;
-      *hex++ = (char)((b1 > 9) ? (b1 + 'A' - 10) : (b1 + '0'));
-      b2 = *bin++ & 0xf;
-      *hex++ = (char)((b2 > 9) ? (b2 + 'A' - 10) : (b2 + '0'));
-    }
+  {
+    unsigned int b1, b2;
+    b1 = (*bin >> 4) & 0xf;
+    *hex++ = (char) ((b1 > 9) ? (b1 + 'A' - 10) : (b1 + '0'));
+    b2 = *bin++ & 0xf;
+    *hex++ = (char) ((b2 > 9) ? (b2 + 'A' - 10) : (b2 + '0'));
+  }
   *hex = 0;
 }
 
@@ -216,26 +291,28 @@ check_result (const char *test_name,
               const uint8_t calcualted[SHA256_DIGEST_SIZE],
               const uint8_t expected[SHA256_DIGEST_SIZE])
 {
-  int failed = memcmp(calcualted, expected, SHA256_DIGEST_SIZE);
+  int failed = memcmp (calcualted, expected, SHA256_DIGEST_SIZE);
   check_num++; /* Print 1-based numbers */
   if (failed)
-    {
-      char calc_str[SHA256_DIGEST_STRING_SIZE];
-      char expc_str[SHA256_DIGEST_STRING_SIZE];
-      bin2hex(calcualted, SHA256_DIGEST_SIZE, calc_str);
-      bin2hex(expected, SHA256_DIGEST_SIZE, expc_str);
-      fprintf (stderr, "FAILED: %s check %u: calculated digest %s, expected digest %s.\n",
-               test_name, check_num, calc_str, expc_str);
-      fflush (stderr);
-    }
+  {
+    char calc_str[SHA256_DIGEST_STRING_SIZE];
+    char expc_str[SHA256_DIGEST_STRING_SIZE];
+    bin2hex (calcualted, SHA256_DIGEST_SIZE, calc_str);
+    bin2hex (expected, SHA256_DIGEST_SIZE, expc_str);
+    fprintf (stderr,
+             "FAILED: %s check %u: calculated digest %s, expected digest %s.\n",
+             test_name, check_num, calc_str, expc_str);
+    fflush (stderr);
+  }
   else if (verbose)
-    {
-      char calc_str[SHA256_DIGEST_STRING_SIZE];
-      bin2hex(calcualted, SHA256_DIGEST_SIZE, calc_str);
-      printf ("PASSED: %s check %u: calculated digest %s match expected digest.\n",
-               test_name, check_num, calc_str);
-      fflush (stdout);
-    }
+  {
+    char calc_str[SHA256_DIGEST_STRING_SIZE];
+    bin2hex (calcualted, SHA256_DIGEST_SIZE, calc_str);
+    printf (
+      "PASSED: %s check %u: calculated digest %s match expected digest.\n",
+      test_name, check_num, calc_str);
+    fflush (stdout);
+  }
   return failed ? 1 : 0;
 }
 
@@ -245,91 +322,111 @@ check_result (const char *test_name,
  */
 
 /* Calculated SHA-256 as one pass for whole data */
-int test1_str(void)
+static int
+test1_str (void)
 {
   int num_failed = 0;
-  for (unsigned int i = 0; i < units1_num; i++)
-    {
-      struct sha256_ctx ctx;
-      uint8_t digest[SHA256_DIGEST_SIZE];
-
-      MHD_SHA256_init (&ctx);
-      MHD_SHA256_update (&ctx, (const uint8_t*)data_units1[i].str_l.str, data_units1[i].str_l.len);
-      sha256_finish (&ctx, digest);
-      num_failed += check_result (__FUNCTION__, i, digest,
-                                  data_units1[i].digest);
-    }
+  unsigned int i;
+
+  for (i = 0; i < units1_num; i++)
+  {
+    struct sha256_ctx ctx;
+    uint8_t digest[SHA256_DIGEST_SIZE];
+
+    MHD_SHA256_init (&ctx);
+    MHD_SHA256_update (&ctx, (const uint8_t*) data_units1[i].str_l.str,
+                       data_units1[i].str_l.len);
+    sha256_finish (&ctx, digest);
+    num_failed += check_result (__FUNCTION__, i, digest,
+                                data_units1[i].digest);
+  }
   return num_failed;
 }
 
-int test1_bin(void)
+
+static int
+test1_bin (void)
 {
   int num_failed = 0;
-  for (unsigned int i = 0; i < units2_num; i++)
-    {
-      struct sha256_ctx ctx;
-      uint8_t digest[SHA256_DIGEST_SIZE];
-
-      MHD_SHA256_init (&ctx);
-      MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin, data_units2[i].bin_l.len);
-      sha256_finish (&ctx, digest);
-      num_failed += check_result (__FUNCTION__, i, digest,
-                                  data_units2[i].digest);
-    }
+  unsigned int i;
+
+  for (i = 0; i < units2_num; i++)
+  {
+    struct sha256_ctx ctx;
+    uint8_t digest[SHA256_DIGEST_SIZE];
+
+    MHD_SHA256_init (&ctx);
+    MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin,
+                       data_units2[i].bin_l.len);
+    sha256_finish (&ctx, digest);
+    num_failed += check_result (__FUNCTION__, i, digest,
+                                data_units2[i].digest);
+  }
   return num_failed;
 }
 
 /* Calculated SHA-256 as two iterations for whole data */
-int test2_str(void)
+static int
+test2_str (void)
 {
   int num_failed = 0;
-  for (unsigned int i = 0; i < units1_num; i++)
-    {
-      struct sha256_ctx ctx;
-      uint8_t digest[SHA256_DIGEST_SIZE];
-      size_t part_s = data_units1[i].str_l.len / 4;
-
-      MHD_SHA256_init (&ctx);
-      MHD_SHA256_update (&ctx, (const uint8_t*)data_units1[i].str_l.str, part_s);
-      MHD_SHA256_update (&ctx, (const uint8_t*)data_units1[i].str_l.str + part_s, data_units1[i].str_l.len - part_s);
-      sha256_finish (&ctx, digest);
-      num_failed += check_result (__FUNCTION__, i, digest,
-                                  data_units1[i].digest);
-    }
+  unsigned int i;
+
+  for (i = 0; i < units1_num; i++)
+  {
+    struct sha256_ctx ctx;
+    uint8_t digest[SHA256_DIGEST_SIZE];
+    size_t part_s = data_units1[i].str_l.len / 4;
+
+    MHD_SHA256_init (&ctx);
+    MHD_SHA256_update (&ctx, (const uint8_t*) data_units1[i].str_l.str, part_s);
+    MHD_SHA256_update (&ctx, (const uint8_t*) data_units1[i].str_l.str + part_s,
+                       data_units1[i].str_l.len - part_s);
+    sha256_finish (&ctx, digest);
+    num_failed += check_result (__FUNCTION__, i, digest,
+                                data_units1[i].digest);
+  }
   return num_failed;
 }
 
-int test2_bin(void)
+
+static int
+test2_bin (void)
 {
   int num_failed = 0;
-  for (unsigned int i = 0; i < units2_num; i++)
-    {
-      struct sha256_ctx ctx;
-      uint8_t digest[SHA256_DIGEST_SIZE];
-      size_t part_s = data_units2[i].bin_l.len * 2 / 3;
-
-      MHD_SHA256_init (&ctx);
-      MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin, part_s);
-      MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin + part_s, data_units2[i].bin_l.len - part_s);
-      sha256_finish (&ctx, digest);
-      num_failed += check_result (__FUNCTION__, i, digest,
-                                  data_units2[i].digest);
-    }
+  unsigned int i;
+
+  for (i = 0; i < units2_num; i++)
+  {
+    struct sha256_ctx ctx;
+    uint8_t digest[SHA256_DIGEST_SIZE];
+    size_t part_s = data_units2[i].bin_l.len * 2 / 3;
+
+    MHD_SHA256_init (&ctx);
+    MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin, part_s);
+    MHD_SHA256_update (&ctx, data_units2[i].bin_l.bin + part_s,
+                       data_units2[i].bin_l.len - part_s);
+    sha256_finish (&ctx, digest);
+    num_failed += check_result (__FUNCTION__, i, digest,
+                                data_units2[i].digest);
+  }
   return num_failed;
 }
 
-int main(int argc, char * argv[])
+
+int
+main (int argc, char *argv[])
 {
   int num_failed = 0;
-  (void)has_in_name; /* Mute compiler warning. */
-  if (has_param(argc, argv, "-v") || has_param(argc, argv, "--verbose"))
+  (void) has_in_name; /* Mute compiler warning. */
+  if (has_param (argc, argv, "-v") || has_param (argc, argv, "--verbose"))
     verbose = 1;
 
-  num_failed += test1_str();
-  num_failed += test1_bin();
+  num_failed += test1_str ();
+  num_failed += test1_bin ();
 
-  num_failed += test2_str();
-  num_failed += test2_bin();
+  num_failed += test2_str ();
+  num_failed += test2_bin ();
 
   return num_failed ? 1 : 0;
 }