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authorNicholas Marriott <nicm@cvs.openbsd.org>2015-11-12 22:04:38 +0000
committerNicholas Marriott <nicm@cvs.openbsd.org>2015-11-12 22:04:38 +0000
commit1ca9198b8eb973d8e8413720e3068a18de279912 (patch)
treea0dc5fdc3b3ec760bc5c672f148e7edcf11ecb38 /usr.bin/tmux/utf8.c
parent13305bb994459b31239ff394cad05a300b8463a2 (diff)
Rename overly-long utf8data to ud throughout.
Diffstat (limited to 'usr.bin/tmux/utf8.c')
-rw-r--r--usr.bin/tmux/utf8.c116
1 files changed, 58 insertions, 58 deletions
diff --git a/usr.bin/tmux/utf8.c b/usr.bin/tmux/utf8.c
index ad8947ce751..bb4583dcb24 100644
--- a/usr.bin/tmux/utf8.c
+++ b/usr.bin/tmux/utf8.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: utf8.c,v 1.18 2015/11/12 12:43:36 nicm Exp $ */
+/* $OpenBSD: utf8.c,v 1.19 2015/11/12 22:04:37 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -350,12 +350,12 @@ 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;
}
/*
@@ -368,18 +368,18 @@ 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);
}
@@ -389,20 +389,20 @@ 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);
}
@@ -451,29 +451,29 @@ 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);
@@ -481,29 +481,29 @@ 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);
}
@@ -528,7 +528,7 @@ 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;
@@ -537,18 +537,18 @@ 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)
@@ -573,7 +573,7 @@ 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;
@@ -581,18 +581,18 @@ 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;