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authorDaniel Mack <github@zonque.org>2015-11-02 10:57:38 +0100
committerDaniel Mack <github@zonque.org>2015-11-02 10:57:38 +0100
commit86b4428a58739a3899f0d2cee5bf78ba861d16b7 (patch)
tree62b24c733d65866a8302114cc3440d4ee3ca2097 /src/basic/utf8.c
parent8fa7cf70764319982e6617413cd0e287f6e35447 (diff)
parent025b4c410577a10692c608e7dbad712655abb858 (diff)
Merge pull request #1740 from shawnl/master
utf8.[ch]: use char32_t and char16_t instead of int, int32_t, int16_t
Diffstat (limited to 'src/basic/utf8.c')
-rw-r--r--src/basic/utf8.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/src/basic/utf8.c b/src/basic/utf8.c
index 7600d99903..cc041d5b34 100644
--- a/src/basic/utf8.c
+++ b/src/basic/utf8.c
@@ -54,7 +54,7 @@
#include "utf8.h"
#include "util.h"
-bool unichar_is_valid(uint32_t ch) {
+bool unichar_is_valid(char32_t ch) {
if (ch >= 0x110000) /* End of unicode space */
return false;
@@ -68,7 +68,7 @@ bool unichar_is_valid(uint32_t ch) {
return true;
}
-static bool unichar_is_control(uint32_t ch) {
+static bool unichar_is_control(char32_t ch) {
/*
0 to ' '-1 is the C0 range.
@@ -104,8 +104,9 @@ static int utf8_encoded_expected_len(const char *str) {
}
/* decode one unicode char */
-int utf8_encoded_to_unichar(const char *str) {
- int unichar, len, i;
+char32_t utf8_encoded_to_unichar(const char *str) {
+ char32_t unichar;
+ int len, i;
assert(str);
@@ -113,31 +114,31 @@ int utf8_encoded_to_unichar(const char *str) {
switch (len) {
case 1:
- return (int)str[0];
+ return (char32_t)str[0];
case 2:
unichar = str[0] & 0x1f;
break;
case 3:
- unichar = (int)str[0] & 0x0f;
+ unichar = (char32_t)str[0] & 0x0f;
break;
case 4:
- unichar = (int)str[0] & 0x07;
+ unichar = (char32_t)str[0] & 0x07;
break;
case 5:
- unichar = (int)str[0] & 0x03;
+ unichar = (char32_t)str[0] & 0x03;
break;
case 6:
- unichar = (int)str[0] & 0x01;
+ unichar = (char32_t)str[0] & 0x01;
break;
default:
return -EINVAL;
}
for (i = 1; i < len; i++) {
- if (((int)str[i] & 0xc0) != 0x80)
+ if (((char32_t)str[i] & 0xc0) != 0x80)
return -EINVAL;
unichar <<= 6;
- unichar |= (int)str[i] & 0x3f;
+ unichar |= (char32_t)str[i] & 0x3f;
}
return unichar;
@@ -149,7 +150,8 @@ bool utf8_is_printable_newline(const char* str, size_t length, bool newline) {
assert(str);
for (p = str; length;) {
- int encoded_len, val;
+ int encoded_len;
+ char32_t val;
encoded_len = utf8_encoded_valid_unichar(p);
if (encoded_len < 0 ||
@@ -277,7 +279,7 @@ char *ascii_is_valid(const char *str) {
* Returns: The length in bytes that the UTF-8 representation does or would
* occupy.
*/
-size_t utf8_encode_unichar(char *out_utf8, uint32_t g) {
+size_t utf8_encode_unichar(char *out_utf8, char32_t g) {
if (g < (1 << 7)) {
if (out_utf8)
@@ -321,7 +323,7 @@ char *utf16_to_utf8(const void *s, size_t length) {
t = r;
while (f < (const uint8_t*) s + length) {
- uint16_t w1, w2;
+ char16_t w1, w2;
/* see RFC 2781 section 2.2 */
@@ -329,7 +331,7 @@ char *utf16_to_utf8(const void *s, size_t length) {
f += 2;
if (!utf16_is_surrogate(w1)) {
- t += utf8_encode_unichar(t, w1);
+ t += utf8_encode_unichar(t, (char32_t) w1);
continue;
}
@@ -373,7 +375,8 @@ static int utf8_unichar_to_encoded_len(int unichar) {
/* validate one encoded unicode char and return its length */
int utf8_encoded_valid_unichar(const char *str) {
- int len, unichar, i;
+ int len, i;
+ char32_t unichar;
assert(str);