Apply clang formatting.

Executed with:
`find . -regextype posix-egrep -regex ".*\.([hc]|fmt|function)" | xargs -L1 clang-format-12 -i`

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/library/base64.c b/library/base64.c
index f78a29b..02dd281 100644
--- a/library/base64.c
+++ b/library/base64.c
@@ -21,138 +21,134 @@
 
 #if defined(MBEDTLS_BASE64_C)
 
-#include "mbedtls/base64.h"
+#    include "mbedtls/base64.h"
 
-#include <stdint.h>
+#    include <stdint.h>
 
-#if defined(MBEDTLS_SELF_TEST)
-#include <string.h>
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
-#endif /* MBEDTLS_SELF_TEST */
+#    if defined(MBEDTLS_SELF_TEST)
+#        include <string.h>
+#        if defined(MBEDTLS_PLATFORM_C)
+#            include "mbedtls/platform.h"
+#        else
+#            include <stdio.h>
+#            define mbedtls_printf printf
+#        endif /* MBEDTLS_PLATFORM_C */
+#    endif /* MBEDTLS_SELF_TEST */
 
-static const unsigned char base64_enc_map[64] =
-{
-    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
-    'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
-    'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
-    'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
-    'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
-    'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
-    '8', '9', '+', '/'
+static const unsigned char base64_enc_map[64] = {
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
+    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
+    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
+    'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
 };
 
-static const unsigned char base64_dec_map[128] =
-{
-    127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
-    127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
-    127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
-    127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
-    127, 127, 127,  62, 127, 127, 127,  63,  52,  53,
-     54,  55,  56,  57,  58,  59,  60,  61, 127, 127,
-    127,  64, 127, 127, 127,   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, 127, 127, 127, 127, 127, 127,  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, 127, 127, 127, 127, 127
+static const unsigned char base64_dec_map[128] = {
+    127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
+    127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
+    127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 62,  127,
+    127, 127, 63,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  127, 127,
+    127, 64,  127, 127, 127, 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,  127, 127, 127, 127, 127, 127, 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,  127, 127, 127, 127, 127
 };
 
-#define BASE64_SIZE_T_MAX   ( (size_t) -1 ) /* SIZE_T_MAX is not standard */
+#    define BASE64_SIZE_T_MAX ((size_t)-1) /* SIZE_T_MAX is not standard */
 
 /*
  * Constant flow conditional assignment to unsigned char
  */
-static void mbedtls_base64_cond_assign_uchar( unsigned char * dest, const unsigned char * const src,
-                                       unsigned char condition )
+static void mbedtls_base64_cond_assign_uchar(unsigned char *dest,
+                                             const unsigned char *const src,
+                                             unsigned char condition)
 {
     /* MSVC has a warning about unary minus on unsigned integer types,
      * but this is well-defined and precisely what we want to do here. */
-#if defined(_MSC_VER)
-#pragma warning( push )
-#pragma warning( disable : 4146 )
-#endif
+#    if defined(_MSC_VER)
+#        pragma warning(push)
+#        pragma warning(disable : 4146)
+#    endif
 
     /* Generate bitmask from condition, mask will either be 0xFF or 0 */
-    unsigned char mask = ( condition | -condition );
+    unsigned char mask = (condition | -condition);
     mask >>= 7;
     mask = -mask;
 
-#if defined(_MSC_VER)
-#pragma warning( pop )
-#endif
+#    if defined(_MSC_VER)
+#        pragma warning(pop)
+#    endif
 
-    *dest = ( ( *src ) & mask ) | ( ( *dest ) & ~mask );
+    *dest = ((*src) & mask) | ((*dest) & ~mask);
 }
 
 /*
  * Constant flow conditional assignment to uint_32
  */
-static void mbedtls_base64_cond_assign_uint32( uint32_t * dest, const uint32_t src,
-                                       uint32_t condition )
+static void mbedtls_base64_cond_assign_uint32(uint32_t *dest,
+                                              const uint32_t src,
+                                              uint32_t condition)
 {
     /* MSVC has a warning about unary minus on unsigned integer types,
      * but this is well-defined and precisely what we want to do here. */
-#if defined(_MSC_VER)
-#pragma warning( push )
-#pragma warning( disable : 4146 )
-#endif
+#    if defined(_MSC_VER)
+#        pragma warning(push)
+#        pragma warning(disable : 4146)
+#    endif
 
     /* Generate bitmask from condition, mask will either be 0xFFFFFFFF or 0 */
-    uint32_t mask = ( condition | -condition );
+    uint32_t mask = (condition | -condition);
     mask >>= 31;
     mask = -mask;
 
-#if defined(_MSC_VER)
-#pragma warning( pop )
-#endif
+#    if defined(_MSC_VER)
+#        pragma warning(pop)
+#    endif
 
-    *dest = ( src & mask ) | ( ( *dest ) & ~mask );
+    *dest = (src & mask) | ((*dest) & ~mask);
 }
 
 /*
  * Constant flow check for equality
  */
-static unsigned char mbedtls_base64_eq( size_t in_a, size_t in_b )
+static unsigned char mbedtls_base64_eq(size_t in_a, size_t in_b)
 {
     size_t difference = in_a ^ in_b;
 
     /* MSVC has a warning about unary minus on unsigned integer types,
      * but this is well-defined and precisely what we want to do here. */
-#if defined(_MSC_VER)
-#pragma warning( push )
-#pragma warning( disable : 4146 )
-#endif
+#    if defined(_MSC_VER)
+#        pragma warning(push)
+#        pragma warning(disable : 4146)
+#    endif
 
     difference |= -difference;
 
-#if defined(_MSC_VER)
-#pragma warning( pop )
-#endif
+#    if defined(_MSC_VER)
+#        pragma warning(pop)
+#    endif
 
     /* cope with the varying size of size_t per platform */
-    difference >>= ( sizeof( difference ) * 8 - 1 );
+    difference >>= (sizeof(difference) * 8 - 1);
 
-    return (unsigned char) ( 1 ^ difference );
+    return (unsigned char)(1 ^ difference);
 }
 
 /*
  * Constant flow lookup into table.
  */
-static unsigned char mbedtls_base64_table_lookup( const unsigned char * const table,
-                                                 const size_t table_size, const size_t table_index )
+static unsigned char
+mbedtls_base64_table_lookup(const unsigned char *const table,
+                            const size_t table_size,
+                            const size_t table_index)
 {
     size_t i;
     unsigned char result = 0;
 
-    for( i = 0; i < table_size; ++i )
-    {
-        mbedtls_base64_cond_assign_uchar( &result, &table[i], mbedtls_base64_eq( i, table_index ) );
+    for (i = 0; i < table_size; ++i) {
+        mbedtls_base64_cond_assign_uchar(&result, &table[i],
+                                         mbedtls_base64_eq(i, table_index));
     }
 
     return result;
@@ -161,71 +157,74 @@
 /*
  * Encode a buffer into base64 format
  */
-int mbedtls_base64_encode( unsigned char *dst, size_t dlen, size_t *olen,
-                   const unsigned char *src, size_t slen )
+int mbedtls_base64_encode(unsigned char *dst,
+                          size_t dlen,
+                          size_t *olen,
+                          const unsigned char *src,
+                          size_t slen)
 {
     size_t i, n;
     int C1, C2, C3;
     unsigned char *p;
 
-    if( slen == 0 )
-    {
+    if (slen == 0) {
         *olen = 0;
-        return 0 ;
+        return 0;
     }
 
-    n = slen / 3 + ( slen % 3 != 0 );
+    n = slen / 3 + (slen % 3 != 0);
 
-    if( n > ( BASE64_SIZE_T_MAX - 1 ) / 4 )
-    {
+    if (n > (BASE64_SIZE_T_MAX - 1) / 4) {
         *olen = BASE64_SIZE_T_MAX;
-        return MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL ;
+        return MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL;
     }
 
     n *= 4;
 
-    if( ( dlen < n + 1 ) || ( NULL == dst ) )
-    {
+    if ((dlen < n + 1) || (NULL == dst)) {
         *olen = n + 1;
-        return MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL ;
+        return MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL;
     }
 
-    n = ( slen / 3 ) * 3;
+    n = (slen / 3) * 3;
 
-    for( i = 0, p = dst; i < n; i += 3 )
-    {
+    for (i = 0, p = dst; i < n; i += 3) {
         C1 = *src++;
         C2 = *src++;
         C3 = *src++;
 
-        *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
-                                            ( ( C1 >> 2 ) & 0x3F ) );
+        *p++ = mbedtls_base64_table_lookup(
+            base64_enc_map, sizeof(base64_enc_map), ((C1 >> 2) & 0x3F));
 
-        *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
-                                            ( ( ( ( C1 &  3 ) << 4 ) + ( C2 >> 4 ) ) & 0x3F ) );
+        *p++ =
+            mbedtls_base64_table_lookup(base64_enc_map, sizeof(base64_enc_map),
+                                        ((((C1 & 3) << 4) + (C2 >> 4)) & 0x3F));
 
-        *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
-                                            ( ( ( ( C2 & 15 ) << 2 ) + ( C3 >> 6 ) ) & 0x3F ) );
+        *p++ = mbedtls_base64_table_lookup(
+            base64_enc_map, sizeof(base64_enc_map),
+            ((((C2 & 15) << 2) + (C3 >> 6)) & 0x3F));
 
-        *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
-                                            ( C3 & 0x3F ) );
+        *p++ = mbedtls_base64_table_lookup(base64_enc_map,
+                                           sizeof(base64_enc_map), (C3 & 0x3F));
     }
 
-    if( i < slen )
-    {
+    if (i < slen) {
         C1 = *src++;
-        C2 = ( ( i + 1 ) < slen ) ? *src++ : 0;
+        C2 = ((i + 1) < slen) ? *src++ : 0;
 
-        *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
-                                            ( ( C1 >> 2 ) & 0x3F ) );
+        *p++ = mbedtls_base64_table_lookup(
+            base64_enc_map, sizeof(base64_enc_map), ((C1 >> 2) & 0x3F));
 
-        *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
-                                            ( ( ( ( C1 & 3 ) << 4 ) + ( C2 >> 4 ) ) & 0x3F ) );
+        *p++ =
+            mbedtls_base64_table_lookup(base64_enc_map, sizeof(base64_enc_map),
+                                        ((((C1 & 3) << 4) + (C2 >> 4)) & 0x3F));
 
-        if( ( i + 1 ) < slen )
-             *p++ = mbedtls_base64_table_lookup( base64_enc_map, sizeof( base64_enc_map ),
-                                                 ( ( ( C2 & 15 ) << 2 ) & 0x3F ) );
-        else *p++ = '=';
+        if ((i + 1) < slen)
+            *p++ = mbedtls_base64_table_lookup(base64_enc_map,
+                                               sizeof(base64_enc_map),
+                                               (((C2 & 15) << 2) & 0x3F));
+        else
+            *p++ = '=';
 
         *p++ = '=';
     }
@@ -233,14 +232,17 @@
     *olen = p - dst;
     *p = 0;
 
-    return 0 ;
+    return 0;
 }
 
 /*
  * Decode a base64-formatted buffer
  */
-int mbedtls_base64_decode( unsigned char *dst, size_t dlen, size_t *olen,
-                   const unsigned char *src, size_t slen )
+int mbedtls_base64_decode(unsigned char *dst,
+                          size_t dlen,
+                          size_t *olen,
+                          const unsigned char *src,
+                          size_t slen)
 {
     size_t i, n;
     uint32_t j, x;
@@ -248,100 +250,96 @@
     unsigned char dec_map_lookup;
 
     /* First pass: check for validity and get output length */
-    for( i = n = j = 0; i < slen; i++ )
-    {
+    for (i = n = j = 0; i < slen; i++) {
         /* Skip spaces before checking for EOL */
         x = 0;
-        while( i < slen && src[i] == ' ' )
-        {
+        while (i < slen && src[i] == ' ') {
             ++i;
             ++x;
         }
 
         /* Spaces at end of buffer are OK */
-        if( i == slen )
+        if (i == slen)
             break;
 
-        if( ( slen - i ) >= 2 &&
-            src[i] == '\r' && src[i + 1] == '\n' )
+        if ((slen - i) >= 2 && src[i] == '\r' && src[i + 1] == '\n')
             continue;
 
-        if( src[i] == '\n' )
+        if (src[i] == '\n')
             continue;
 
         /* Space inside a line is an error */
-        if( x != 0 )
-            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER ;
+        if (x != 0)
+            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER;
 
-        if( src[i] == '=' && ++j > 2 )
-            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER ;
+        if (src[i] == '=' && ++j > 2)
+            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER;
 
-        dec_map_lookup = mbedtls_base64_table_lookup( base64_dec_map, sizeof( base64_dec_map ), src[i] );
+        dec_map_lookup = mbedtls_base64_table_lookup(
+            base64_dec_map, sizeof(base64_dec_map), src[i]);
 
-        if( src[i] > 127 || dec_map_lookup == 127 )
-            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER ;
+        if (src[i] > 127 || dec_map_lookup == 127)
+            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER;
 
-        if( dec_map_lookup < 64 && j != 0 )
-            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER ;
+        if (dec_map_lookup < 64 && j != 0)
+            return MBEDTLS_ERR_BASE64_INVALID_CHARACTER;
 
         n++;
     }
 
-    if( n == 0 )
-    {
+    if (n == 0) {
         *olen = 0;
-        return 0 ;
+        return 0;
     }
 
     /* The following expression is to calculate the following formula without
      * risk of integer overflow in n:
      *     n = ( ( n * 6 ) + 7 ) >> 3;
      */
-    n = ( 6 * ( n >> 3 ) ) + ( ( 6 * ( n & 0x7 ) + 7 ) >> 3 );
+    n = (6 * (n >> 3)) + ((6 * (n & 0x7) + 7) >> 3);
     n -= j;
 
-    if( dst == NULL || dlen < n )
-    {
+    if (dst == NULL || dlen < n) {
         *olen = n;
-        return MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL ;
+        return MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL;
     }
 
-   for( j = 3, n = x = 0, p = dst; i > 0; i--, src++ )
-   {
-        if( *src == '\r' || *src == '\n' || *src == ' ' )
+    for (j = 3, n = x = 0, p = dst; i > 0; i--, src++) {
+        if (*src == '\r' || *src == '\n' || *src == ' ')
             continue;
 
-        dec_map_lookup = mbedtls_base64_table_lookup( base64_dec_map, sizeof( base64_dec_map ), *src );
+        dec_map_lookup = mbedtls_base64_table_lookup(
+            base64_dec_map, sizeof(base64_dec_map), *src);
 
-        mbedtls_base64_cond_assign_uint32( &j, j - 1, mbedtls_base64_eq( dec_map_lookup, 64 ) );
-        x  = ( x << 6 ) | ( dec_map_lookup & 0x3F );
+        mbedtls_base64_cond_assign_uint32(
+            &j, j - 1, mbedtls_base64_eq(dec_map_lookup, 64));
+        x = (x << 6) | (dec_map_lookup & 0x3F);
 
-        if( ++n == 4 )
-        {
+        if (++n == 4) {
             n = 0;
-            if( j > 0 ) *p++ = (unsigned char)( x >> 16 );
-            if( j > 1 ) *p++ = (unsigned char)( x >>  8 );
-            if( j > 2 ) *p++ = (unsigned char)( x       );
+            if (j > 0)
+                *p++ = (unsigned char)(x >> 16);
+            if (j > 1)
+                *p++ = (unsigned char)(x >> 8);
+            if (j > 2)
+                *p++ = (unsigned char)(x);
         }
     }
 
     *olen = p - dst;
 
-    return 0 ;
+    return 0;
 }
 
-#if defined(MBEDTLS_SELF_TEST)
+#    if defined(MBEDTLS_SELF_TEST)
 
-static const unsigned char base64_test_dec[64] =
-{
-    0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD,
-    0xBF, 0x17, 0xD9, 0xA2, 0xC4, 0x17, 0x1A, 0x01,
-    0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3, 0xD7, 0x09,
-    0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13,
-    0xCA, 0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31,
-    0x6C, 0x08, 0x34, 0xFF, 0x8D, 0xC2, 0x6C, 0x38,
-    0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50, 0x4B,
-    0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97
+static const unsigned char base64_test_dec[64] = {
+    0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD, 0xBF, 0x17, 0xD9,
+    0xA2, 0xC4, 0x17, 0x1A, 0x01, 0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3,
+    0xD7, 0x09, 0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13, 0xCA,
+    0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31, 0x6C, 0x08, 0x34, 0xFF,
+    0x8D, 0xC2, 0x6C, 0x38, 0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50,
+    0x4B, 0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97
 };
 
 static const unsigned char base64_test_enc[] =
@@ -351,46 +349,44 @@
 /*
  * Checkup routine
  */
-int mbedtls_base64_self_test( int verbose )
+int mbedtls_base64_self_test(int verbose)
 {
     size_t len;
     const unsigned char *src;
     unsigned char buffer[128];
 
-    if( verbose != 0 )
-        mbedtls_printf( "  Base64 encoding test: " );
+    if (verbose != 0)
+        mbedtls_printf("  Base64 encoding test: ");
 
     src = base64_test_dec;
 
-    if( mbedtls_base64_encode( buffer, sizeof( buffer ), &len, src, 64 ) != 0 ||
-         memcmp( base64_test_enc, buffer, 88 ) != 0 )
-    {
-        if( verbose != 0 )
-            mbedtls_printf( "failed\n" );
+    if (mbedtls_base64_encode(buffer, sizeof(buffer), &len, src, 64) != 0 ||
+        memcmp(base64_test_enc, buffer, 88) != 0) {
+        if (verbose != 0)
+            mbedtls_printf("failed\n");
 
-        return 1 ;
+        return 1;
     }
 
-    if( verbose != 0 )
-        mbedtls_printf( "passed\n  Base64 decoding test: " );
+    if (verbose != 0)
+        mbedtls_printf("passed\n  Base64 decoding test: ");
 
     src = base64_test_enc;
 
-    if( mbedtls_base64_decode( buffer, sizeof( buffer ), &len, src, 88 ) != 0 ||
-         memcmp( base64_test_dec, buffer, 64 ) != 0 )
-    {
-        if( verbose != 0 )
-            mbedtls_printf( "failed\n" );
+    if (mbedtls_base64_decode(buffer, sizeof(buffer), &len, src, 88) != 0 ||
+        memcmp(base64_test_dec, buffer, 64) != 0) {
+        if (verbose != 0)
+            mbedtls_printf("failed\n");
 
-        return 1 ;
+        return 1;
     }
 
-    if( verbose != 0 )
-        mbedtls_printf( "passed\n\n" );
+    if (verbose != 0)
+        mbedtls_printf("passed\n\n");
 
-    return 0 ;
+    return 0;
 }
 
-#endif /* MBEDTLS_SELF_TEST */
+#    endif /* MBEDTLS_SELF_TEST */
 
 #endif /* MBEDTLS_BASE64_C */