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- Fix seeking over multibyte characters (#195972)

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- Don't ship obsolete eight-bit.txt
This commit is contained in:
Miloslav Trmac 2006-07-10 20:52:23 +00:00
parent bed8c67a16
commit c58467173a
2 changed files with 74 additions and 4 deletions
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66
tcsh-6.14.00-wide-seeks.patch Normal file
View File

@ -0,0 +1,66 @@
--- tcsh/sh.h 2005-03-25 19:46:41.000000000 +0100
+++ tcsh-6.14.00/sh.h 2006-07-03 03:45:30.000000000 +0200
@@ -801,6 +801,13 @@
* exactly one if the input is seekable and tell is available.
* In other cases, the shell buffers enough blocks to keep all loops
* in the buffer.
+ *
+ * If (WIDE_STRINGS && cantell), fbobp is always a byte offset, but
+ * (fseekp - fbobp) and (feobp - fbobp) are character offsets (usable for
+ * fbuf indexing).
+ *
+ * If (!cantell), all offsets are character offsets; if (!WIDE_STRINGS), there
+ * is no difference between byte and character offsets.
*/
EXTERN struct Bin {
off_t Bfseekp; /* Seek pointer, generally != lseek() value */
@@ -824,7 +831,7 @@
#define TCSH_F_SEEK 2 /* File seek */
#define TCSH_E_SEEK 3 /* Eval seek */
union {
- off_t _f_seek;
+ off_t _f_seek; /* A byte offset if (cantell) */
Char* _c_seek;
} fc;
#define f_seek fc._f_seek
diff -u tcsh-6.14.00/sh.lex.c tcsh-6.14.00/sh.lex.c
--- tcsh-6.14.00/sh.lex.c 2006-07-03 03:46:11.000000000 +0200
+++ tcsh-6.14.00/sh.lex.c 2006-07-05 16:31:51.000000000 +0200
@@ -1736,7 +1736,9 @@
memmove(cbuf, cbuf + i, partial - i);
partial -= i;
} while (partial != 0 && nchars != 0);
- /* Throwing away possible partial multibyte characters on error */
+ /* Throwing away possible partial multibyte characters on error if the
+ stream is not seekable */
+ lseek(fildes, -(off_t)partial, L_INCR);
return res != 0 ? res : r;
}
@@ -1753,7 +1755,13 @@
(void) lseek(SHIN, fseekp, L_SET);
}
if (fseekp == feobp) {
- fbobp = feobp;
+ off_t bytes;
+ size_t i;
+
+ bytes = fbobp;
+ for (i = 0; i < (size_t)(feobp - fbobp); i++)
+ bytes += fclens[i];
+ fbobp = fseekp = feobp = bytes;
do
c = wide_read(SHIN, fbuf[0], BUFSIZE, 1);
while (c < 0 && errno == EINTR);
@@ -1926,9 +1934,9 @@
return;
case TCSH_F_SEEK:
#ifdef WIDE_STRINGS
- if (cantell && fseekp >= fbobp && fseekp < feobp) {
+ if (cantell && fseekp >= fbobp && fseekp <= feobp) {
size_t i;
-
+
l->f_seek = fbobp;
for (i = 0; i < fseekp - fbobp; i++)
l->f_seek += fclens[i];

12
tcsh.spec
View File

@ -3,7 +3,7 @@
Summary: An enhanced version of csh, the C shell.
Name: tcsh
Version: 6.14
Release: 8
Release: 9
License: distributable
Group: System Environment/Shells
Source: ftp://ftp.astron.com/pub/tcsh/tcsh-%{version}.00.tar.gz
@ -16,6 +16,7 @@ Patch5: tcsh-6.14.00-read.patch
Patch6: tcsh-6.14.00-sigint.patch
Patch7: tcsh-6.14.00-wide-crash.patch
Patch8: tcsh-6.14.00-colors.patch
Patch9: tcsh-6.14.00-wide-seeks.patch
Provides: csh = %{version}
Prereq: fileutils, grep
URL: http://www.tcsh.org/
@ -41,8 +42,7 @@ like syntax.
%patch6 -p1 -b .sigint
%patch7 -p1 -b .wide-crash
%patch8 -p1 -b .colors
nroff -me eight-bit.me > eight-bit.txt
%patch9 -p1 -b .wide-seeks
%build
%configure --without-hesiod
@ -102,12 +102,16 @@ fi
%files -f tcsh.lang
%defattr(-,root,root)
%doc FAQ Fixes NewThings complete.tcsh eight-bit.txt
%doc FAQ Fixes NewThings complete.tcsh
%{_bindir}/tcsh
%{_bindir}/csh
%{_mandir}/*/*
%changelog
* Mon Jul 10 2006 Miloslav Trmac <mitr@redhat.com> - 6.14-9
- Fix seeking over multibyte characters (#195972)
- Don't ship obsolete eight-bit.txt
* Thu Mar 23 2006 Miloslav Trmac <mitr@redhat.com> - 6.14-8
- Backport a patch to ignore LS_COLOR codes introduced in newer coreutils
(#186037)