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Merge branch 'obsd-master'

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This commit is contained in:
Thomas Adam
2015-11-13 00:01:15 +00:00
parent b2f19c9d06 e71a915412
commit a7027ed8e5
5 changed files with 101 additions and 101 deletions
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114
utf8.c
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@ -349,12 +349,12 @@ static void utf8_build(void);
/* Set a single character. */
void
utf8_set(struct utf8_data *utf8data, u_char ch)
utf8_set(struct utf8_data *ud, u_char ch)
{
*utf8data->data = ch;
utf8data->size = 1;
*ud->data = ch;
ud->size = 1;
utf8data->width = 1;
ud->width = 1;
}
/*
@ -367,18 +367,18 @@ utf8_set(struct utf8_data *utf8data, u_char ch)
* Returns 1 if more UTF-8 to come, 0 if not UTF-8.
*/
int
utf8_open(struct utf8_data *utf8data, u_char ch)
utf8_open(struct utf8_data *ud, u_char ch)
{
memset(utf8data, 0, sizeof *utf8data);
memset(ud, 0, sizeof *ud);
if (ch >= 0xc2 && ch <= 0xdf)
utf8data->size = 2;
ud->size = 2;
else if (ch >= 0xe0 && ch <= 0xef)
utf8data->size = 3;
ud->size = 3;
else if (ch >= 0xf0 && ch <= 0xf4)
utf8data->size = 4;
ud->size = 4;
else
return (0);
utf8_append(utf8data, ch);
utf8_append(ud, ch);
return (1);
}
@ -388,20 +388,20 @@ utf8_open(struct utf8_data *utf8data, u_char ch)
* Returns 1 if more UTF-8 data to come, 0 if finished.
*/
int
utf8_append(struct utf8_data *utf8data, u_char ch)
utf8_append(struct utf8_data *ud, u_char ch)
{
/* XXX this should do validity checks too! */
if (utf8data->have >= utf8data->size)
if (ud->have >= ud->size)
fatalx("UTF-8 character overflow");
if (utf8data->size > sizeof utf8data->data)
if (ud->size > sizeof ud->data)
fatalx("UTF-8 character size too large");
utf8data->data[utf8data->have++] = ch;
if (utf8data->have != utf8data->size)
ud->data[ud->have++] = ch;
if (ud->have != ud->size)
return (1);
utf8data->width = utf8_width(utf8_combine(utf8data));
ud->width = utf8_width(utf8_combine(ud));
return (0);
}
@ -450,29 +450,29 @@ utf8_width(u_int uc)
/* Combine UTF-8 into 32-bit Unicode. */
u_int
utf8_combine(const struct utf8_data *utf8data)
utf8_combine(const struct utf8_data *ud)
{
u_int value;
value = 0xff;
switch (utf8data->size) {
switch (ud->size) {
case 1:
value = utf8data->data[0];
value = ud->data[0];
break;
case 2:
value = utf8data->data[1] & 0x3f;
value |= (utf8data->data[0] & 0x1f) << 6;
value = ud->data[1] & 0x3f;
value |= (ud->data[0] & 0x1f) << 6;
break;
case 3:
value = utf8data->data[2] & 0x3f;
value |= (utf8data->data[1] & 0x3f) << 6;
value |= (utf8data->data[0] & 0xf) << 12;
value = ud->data[2] & 0x3f;
value |= (ud->data[1] & 0x3f) << 6;
value |= (ud->data[0] & 0xf) << 12;
break;
case 4:
value = utf8data->data[3] & 0x3f;
value |= (utf8data->data[2] & 0x3f) << 6;
value |= (utf8data->data[1] & 0x3f) << 12;
value |= (utf8data->data[0] & 0x7) << 18;
value = ud->data[3] & 0x3f;
value |= (ud->data[2] & 0x3f) << 6;
value |= (ud->data[1] & 0x3f) << 12;
value |= (ud->data[0] & 0x7) << 18;
break;
}
return (value);
@ -480,29 +480,29 @@ utf8_combine(const struct utf8_data *utf8data)
/* Split 32-bit Unicode into UTF-8. */
int
utf8_split(u_int uc, struct utf8_data *utf8data)
utf8_split(u_int uc, struct utf8_data *ud)
{
if (uc < 0x7f) {
utf8data->size = 1;
utf8data->data[0] = uc;
ud->size = 1;
ud->data[0] = uc;
} else if (uc < 0x7ff) {
utf8data->size = 2;
utf8data->data[0] = 0xc0 | ((uc >> 6) & 0x1f);
utf8data->data[1] = 0x80 | (uc & 0x3f);
ud->size = 2;
ud->data[0] = 0xc0 | ((uc >> 6) & 0x1f);
ud->data[1] = 0x80 | (uc & 0x3f);
} else if (uc < 0xffff) {
utf8data->size = 3;
utf8data->data[0] = 0xe0 | ((uc >> 12) & 0xf);
utf8data->data[1] = 0x80 | ((uc >> 6) & 0x3f);
utf8data->data[2] = 0x80 | (uc & 0x3f);
ud->size = 3;
ud->data[0] = 0xe0 | ((uc >> 12) & 0xf);
ud->data[1] = 0x80 | ((uc >> 6) & 0x3f);
ud->data[2] = 0x80 | (uc & 0x3f);
} else if (uc < 0x1fffff) {
utf8data->size = 4;
utf8data->data[0] = 0xf0 | ((uc >> 18) & 0x7);
utf8data->data[1] = 0x80 | ((uc >> 12) & 0x3f);
utf8data->data[2] = 0x80 | ((uc >> 6) & 0x3f);
utf8data->data[3] = 0x80 | (uc & 0x3f);
ud->size = 4;
ud->data[0] = 0xf0 | ((uc >> 18) & 0x7);
ud->data[1] = 0x80 | ((uc >> 12) & 0x3f);
ud->data[2] = 0x80 | ((uc >> 6) & 0x3f);
ud->data[3] = 0x80 | (uc & 0x3f);
} else
return (-1);
utf8data->width = utf8_width(uc);
ud->width = utf8_width(uc);
return (0);
}
@ -527,7 +527,7 @@ utf8_split2(u_int uc, u_char *ptr)
int
utf8_strvis(char *dst, const char *src, size_t len, int flag)
{
struct utf8_data utf8data;
struct utf8_data ud;
const char *start, *end;
int more;
size_t i;
@ -536,18 +536,18 @@ utf8_strvis(char *dst, const char *src, size_t len, int flag)
end = src + len;
while (src < end) {
if (utf8_open(&utf8data, *src)) {
if (utf8_open(&ud, *src)) {
more = 1;
while (++src < end && more)
more = utf8_append(&utf8data, *src);
more = utf8_append(&ud, *src);
if (!more) {
/* UTF-8 character finished. */
for (i = 0; i < utf8data.size; i++)
*dst++ = utf8data.data[i];
for (i = 0; i < ud.size; i++)
*dst++ = ud.data[i];
continue;
} else if (utf8data.have > 0) {
} else if (ud.have > 0) {
/* Not a complete UTF-8 character. */
src -= utf8data.have;
src -= ud.have;
}
}
if (src < end - 1)
@ -572,7 +572,7 @@ utf8_sanitize(const char *src)
char *dst;
size_t n;
int more;
struct utf8_data utf8data;
struct utf8_data ud;
u_int i;
dst = NULL;
@ -580,18 +580,18 @@ utf8_sanitize(const char *src)
n = 0;
while (*src != '\0') {
dst = xreallocarray(dst, n + 1, sizeof *dst);
if (utf8_open(&utf8data, *src)) {
if (utf8_open(&ud, *src)) {
more = 1;
while (*++src != '\0' && more)
more = utf8_append(&utf8data, *src);
more = utf8_append(&ud, *src);
if (!more) {
dst = xreallocarray(dst, n + utf8data.width,
dst = xreallocarray(dst, n + ud.width,
sizeof *dst);
for (i = 0; i < utf8data.width; i++)
for (i = 0; i < ud.width; i++)
dst[n++] = '_';
continue;
}
src -= utf8data.have;
src -= ud.have;
}
if (*src > 0x1f && *src < 0x7f)
dst[n] = *src;