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-rw-r--r--src/nvim/charset.c46
-rw-r--r--src/nvim/ex_cmds.c10
-rw-r--r--src/nvim/message.c2
-rw-r--r--src/nvim/option.c3
-rw-r--r--src/nvim/screen.c2
-rw-r--r--src/nvim/testdir/test_display.vim24
6 files changed, 59 insertions, 28 deletions
diff --git a/src/nvim/charset.c b/src/nvim/charset.c
index f9d5adbc12..fb158f377a 100644
--- a/src/nvim/charset.c
+++ b/src/nvim/charset.c
@@ -509,7 +509,7 @@ char_u* str_foldcase(char_u *str, int orglen, char_u *buf, int buflen)
// Does NOT work for multi-byte characters, c must be <= 255.
// Also doesn't work for the first byte of a multi-byte, "c" must be a
// character!
-static char_u transchar_buf[11];
+static char_u transchar_charbuf[11];
/// Translate a character into a printable one, leaving printable ASCII intact
///
@@ -520,11 +520,17 @@ static char_u transchar_buf[11];
/// @return translated character into a static buffer.
char_u *transchar(int c)
{
+ return transchar_buf(curbuf, c);
+}
+
+char_u *transchar_buf(const buf_T *buf, int c)
+ FUNC_ATTR_NONNULL_ALL
+{
int i = 0;
if (IS_SPECIAL(c)) {
// special key code, display as ~@ char
- transchar_buf[0] = '~';
- transchar_buf[1] = '@';
+ transchar_charbuf[0] = '~';
+ transchar_charbuf[1] = '@';
i = 2;
c = K_SECOND(c);
}
@@ -532,14 +538,14 @@ char_u *transchar(int c)
if ((!chartab_initialized && (((c >= ' ') && (c <= '~'))))
|| ((c <= 0xFF) && vim_isprintc_strict(c))) {
// printable character
- transchar_buf[i] = (char_u)c;
- transchar_buf[i + 1] = NUL;
+ transchar_charbuf[i] = (char_u)c;
+ transchar_charbuf[i + 1] = NUL;
} else if (c <= 0xFF) {
- transchar_nonprint(transchar_buf + i, c);
+ transchar_nonprint(buf, transchar_charbuf + i, c);
} else {
- transchar_hex((char *)transchar_buf + i, c);
+ transchar_hex((char *)transchar_charbuf + i, c);
}
- return transchar_buf;
+ return transchar_charbuf;
}
/// Like transchar(), but called with a byte instead of a character
@@ -548,13 +554,13 @@ char_u *transchar(int c)
///
/// @param[in] c Byte to translate.
///
-/// @return pointer to translated character in transchar_buf.
+/// @return pointer to translated character in transchar_charbuf.
char_u *transchar_byte(const int c)
FUNC_ATTR_WARN_UNUSED_RESULT
{
if (c >= 0x80) {
- transchar_nonprint(transchar_buf, c);
- return transchar_buf;
+ transchar_nonprint(curbuf, transchar_charbuf, c);
+ return transchar_charbuf;
}
return transchar(c);
}
@@ -563,16 +569,18 @@ char_u *transchar_byte(const int c)
///
/// @warning Does not work for multi-byte characters, c must be <= 255.
///
-/// @param[out] buf Buffer to store result in, must be able to hold at least
-/// 5 bytes (conversion result + NUL).
+/// @param[in] buf Required to check the file format
+/// @param[out] charbuf Buffer to store result in, must be able to hold
+/// at least 5 bytes (conversion result + NUL).
/// @param[in] c Character to convert. NUL is assumed to be NL according to
/// `:h NL-used-for-NUL`.
-void transchar_nonprint(char_u *buf, int c)
+void transchar_nonprint(const buf_T *buf, char_u *charbuf, int c)
+ FUNC_ATTR_NONNULL_ALL
{
if (c == NL) {
// we use newline in place of a NUL
c = NUL;
- } else if ((c == CAR) && (get_fileformat(curbuf) == EOL_MAC)) {
+ } else if ((c == CAR) && (get_fileformat(buf) == EOL_MAC)) {
// we use CR in place of NL in this case
c = NL;
}
@@ -580,14 +588,14 @@ void transchar_nonprint(char_u *buf, int c)
if (dy_flags & DY_UHEX || c > 0x7f) {
// 'display' has "uhex"
- transchar_hex((char *)buf, c);
+ transchar_hex((char *)charbuf, c);
} else {
// 0x00 - 0x1f and 0x7f
- buf[0] = '^';
+ charbuf[0] = '^';
// DEL displayed as ^?
- buf[1] = (char_u)(c ^ 0x40);
+ charbuf[1] = (char_u)(c ^ 0x40);
- buf[2] = NUL;
+ charbuf[2] = NUL;
}
}
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index bb4e92efc0..3669cbbd2d 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -135,7 +135,7 @@ void do_ascii(const exarg_T *const eap)
char buf1[20];
if (vim_isprintc_strict(c) && (c < ' ' || c > '~')) {
char_u buf3[7];
- transchar_nonprint(buf3, c);
+ transchar_nonprint(curbuf, buf3, c);
vim_snprintf(buf1, sizeof(buf1), " <%s>", (char *)buf3);
} else {
buf1[0] = NUL;
@@ -2240,11 +2240,9 @@ int do_ecmd(
goto theend;
}
- /*
- * if the file was changed we may not be allowed to abandon it
- * - if we are going to re-edit the same file
- * - or if we are the only window on this file and if ECMD_HIDE is FALSE
- */
+ // If the file was changed we may not be allowed to abandon it:
+ // - if we are going to re-edit the same file
+ // - or if we are the only window on this file and if ECMD_HIDE is FALSE
if ( ((!other_file && !(flags & ECMD_OLDBUF))
|| (curbuf->b_nwindows == 1
&& !(flags & (ECMD_HIDE | ECMD_ADDBUF))))
diff --git a/src/nvim/message.c b/src/nvim/message.c
index 6e2a221ab0..6cd5616acf 100644
--- a/src/nvim/message.c
+++ b/src/nvim/message.c
@@ -1621,7 +1621,7 @@ const char *str2special(const char **const sp, const bool replace_spaces,
// Check for an illegal byte.
if (MB_BYTE2LEN((uint8_t)(*str)) > len) {
- transchar_nonprint((char_u *)buf, c);
+ transchar_nonprint(curbuf, (char_u *)buf, c);
*sp = str + 1;
return buf;
}
diff --git a/src/nvim/option.c b/src/nvim/option.c
index f9b76750ba..484d9da3a1 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -7270,7 +7270,8 @@ unsigned int get_bkc_value(buf_T *buf)
}
/// Return the current end-of-line type: EOL_DOS, EOL_UNIX or EOL_MAC.
-int get_fileformat(buf_T *buf)
+int get_fileformat(const buf_T *buf)
+ FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL
{
int c = *buf->b_p_ff;
diff --git a/src/nvim/screen.c b/src/nvim/screen.c
index 1191886888..9f450888a2 100644
--- a/src/nvim/screen.c
+++ b/src/nvim/screen.c
@@ -3634,7 +3634,7 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
mb_utf8 = false; // don't draw as UTF-8
}
} else if (c != NUL) {
- p_extra = transchar(c);
+ p_extra = transchar_buf(wp->w_buffer, c);
if (n_extra == 0) {
n_extra = byte2cells(c) - 1;
}
diff --git a/src/nvim/testdir/test_display.vim b/src/nvim/testdir/test_display.vim
index a177f6140e..66b016c8b2 100644
--- a/src/nvim/testdir/test_display.vim
+++ b/src/nvim/testdir/test_display.vim
@@ -202,6 +202,30 @@ func Test_edit_long_file_name()
call delete(longName)
endfunc
+func Test_unprintable_fileformats()
+ CheckScreendump
+
+ call writefile(["unix\r", "two"], 'Xunix.txt')
+ call writefile(["mac\r", "two"], 'Xmac.txt')
+ let lines =<< trim END
+ edit Xunix.txt
+ split Xmac.txt
+ edit ++ff=mac
+ END
+ let filename = 'Xunprintable'
+ call writefile(lines, filename)
+ let buf = RunVimInTerminal('-S '.filename, #{rows: 9, cols: 50})
+ call VerifyScreenDump(buf, 'Test_display_unprintable_01', {})
+ call term_sendkeys(buf, "\<C-W>\<C-W>\<C-L>")
+ call VerifyScreenDump(buf, 'Test_display_unprintable_02', {})
+
+ " clean up
+ call StopVimInTerminal(buf)
+ call delete('Xunix.txt')
+ call delete('Xmac.txt')
+ call delete(filename)
+endfunc
+
" Test for scrolling that modifies buffer during visual block
func Test_visual_block_scroll()
" See test/functional/legacy/visual_mode_spec.lua
generated by cgit (git 2.34.1) at 2025-05-30 12:37:51 +0000