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Jeff King 67ba123fd1 terminal: seek when switching between reading and writing 
When a stdio stream is opened in update mode (e.g., "w+"),
the C standard forbids switching between reading or writing
without an intervening positioning function. Many
implementations are lenient about this, but Solaris libc
will flush the recently-read contents to the output buffer.
In this instance, that meant writing the non-echoed password
that the user just typed to the terminal.

Fix it by inserting a no-op fseek between the read and
write.

The opposite direction (writing followed by reading) is also
disallowed, but our intervening fflush is an acceptable
positioning function for that alternative.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-08-06 22:11:47 -07:00
..
fnmatch compat/fnmatch/fnmatch.c: give a fall-back definition for NULL 2011-05-26 09:25:47 -07:00
nedmalloc remove doubled words, e.g., s/to to/to/, and fix related typos 2011-04-13 11:59:11 -07:00
regex Fix compat/regex ANSIfication on MinGW 2010-08-26 09:25:53 -07:00
vcbuild Merge branch 'rj/msvc-fix' 2010-12-16 12:55:36 -08:00
win32 compat/win32/poll.c: upgrade from upstream 2011-10-30 18:45:16 -07:00
basename.c compat: add a basename() compatibility function 2009-05-31 17:57:59 -07:00
bswap.h compat: make gcc bswap an inline function 2011-03-16 12:44:59 -07:00
cygwin.c Merge branch 'jc/maint-cygwin-trust-executable-bit-default' 2011-07-13 14:31:36 -07:00
cygwin.h cygwin: Use native Win32 API for stat 2008-09-30 14:30:06 -07:00
fopen.c compat/fopen.c: avoid clobbering the system defined fopen macro 2008-05-08 17:43:01 -07:00
hstrerror.c Add a local implementation of hstrerror for the system which do not have it 2007-06-15 22:48:34 -07:00
inet_ntop.c inet_ntop.c: Work around GCC 4.6's detection of uninitialized variables 2011-10-18 10:34:07 -07:00
inet_pton.c compat: add inet_pton and inet_ntop prototypes 2010-11-04 16:53:49 -07:00
memmem.c optimize compat/ memmem() 2009-03-02 18:28:06 -08:00
mingw.c Merge branch 'pt/mingw-misc-fixes' 2011-10-18 21:59:11 -07:00
mingw.h Revert "upload-archive: use start_command instead of fork" 2011-11-15 15:39:33 -08:00
mkdtemp.c Fix gitmkdtemp: correct test for mktemp() return value 2010-02-25 12:08:22 -08:00
mmap.c War on whitespace 2007-06-07 00:04:01 -07:00
msvc.c win32: use our own dirent.h 2010-11-23 16:06:50 -08:00
msvc.h compat: provide a fallback va_copy definition 2011-02-26 01:06:50 -08:00
obstack.c obstack.c: Fix some sparse warnings 2011-09-11 14:43:33 -07:00
obstack.h obstack: Fix portability issues 2011-08-28 22:03:26 -07:00
pread.c Replacing the system call pread() with lseek()/xread()/lseek() sequence. 2007-01-09 16:40:40 -08:00
qsort.c cleanup: use internal memory allocation wrapper functions everywhere 2011-10-06 13:54:32 -07:00
setenv.c simplify inclusion of system header files. 2006-12-20 09:51:35 -08:00
snprintf.c Test for WIN32 instead of __MINGW32_ 2009-09-18 20:00:42 -07:00
strcasestr.c Clean up compatibility definitions. 2005-12-05 15:50:29 -08:00
strlcpy.c simplify inclusion of system header files. 2006-12-20 09:51:35 -08:00
strtok_r.c compat: add strtok_r() 2010-08-14 19:35:38 -07:00
strtoumax.c Add a compat/strtoumax.c for Solaris 8. 2007-02-19 18:20:30 -08:00
terminal.c terminal: seek when switching between reading and writing 2012-08-06 22:11:47 -07:00
terminal.h add generic terminal prompt function 2011-12-12 16:09:38 -08:00
unsetenv.c simplify inclusion of system header files. 2006-12-20 09:51:35 -08:00
win32.h Make usage of windows.h lean and mean 2009-09-18 20:00:42 -07:00
win32mmap.c Fix "Out of memory? mmap failed" for files larger than 4GB on Windows 2010-05-20 16:11:06 -07:00
winansi.c Make usage of windows.h lean and mean 2009-09-18 20:00:42 -07:00