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Update comments in ext/misc/sqlite3_stdio.c to reflect the latest enhancements. 

No changes to code.

FossilOrigin-Name: 9621c3b527702b47799538e028f96945b5697752dbb56078aa7f114c72fd4e1a
This commit is contained in:
drh 2024-10-11 19:57:41 +00:00
parent 4dfc4dc2df
commit 4859bc9a9f
3 changed files with 16 additions and 26 deletions
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28
ext/misc/sqlite3_stdio.c
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@ -31,27 +31,17 @@
#include <fcntl.h>
/*
** If the SQLITE_U8TEXT_ONLY option is defined, then only use
** _O_U8TEXT, _O_WTEXT, and similar together with the UTF-16
** interfaces to the Windows CRT. The use of ANSI-only routines
** like fputs() and ANSI modes like _O_TEXT and _O_BINARY is
** avoided.
** If the SQLITE_U8TEXT_ONLY option is defined, then use O_U8TEXT
** when appropriate on all output.
**
** The downside of using SQLITE_U8TEXT_ONLY is that it becomes
** impossible to output a bare newline character (0x0a) - that is,
** a newline that is not preceded by a carriage return (0x0d).
** And without that capability, sometimes the output will be slightly
** incorrect, as extra 0x0d characters will have been inserted where
** they do not belong.
** If the SQLITE_U8TEXT_STDIO option is defined, then use O_U8TEXT
** when appropriate when writing to stdout or stderr. Use O_BINARY for
** anything else.
**
** The SQLITE_U8TEXT_STDIO compile-time option is a compromise.
** It always enables _O_WTEXT or similar for stdin, stdout, stderr,
** but allows other streams to be _O_TEXT and/or O_BINARY. The
** SQLITE_U8TEXT_STDIO option has the same downside as SQLITE_U8TEXT_ONLY
** in that stray 0x0d characters might appear where they ought not, but
** at least with this option those characters only appear on standard
** I/O streams, and not on new streams that might be created by the
** application using sqlite3_fopen() or sqlite3_popen().
** The default behavior, if neither of the above is defined is to
** use O_U8TEXT when writing to the Windows console (or anything
** else for which _isatty() returns true) and to use O_BINARY for
** all other output.
*/
#if defined(SQLITE_U8TEXT_ONLY)
# define UseWtextForOutput(fd) 1

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@ -1,5 +1,5 @@
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D 2024-10-11T19:33:22.928
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F ext/misc/sqlar.c a6175790482328171da47095f87608b48a476d4fac78d8a9ff18b03a2454f634
F ext/misc/sqlite3_stdio.c 74d86044cc45475cb0f7fa0d07e7bb5b3cc77c4339b084af7a4afe1b9cc008ef
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F ext/misc/stmtrand.c 59cffa5d8e158943ff1ce078956d8e208e8c04e67307e8f249dece2436dcb7fc
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