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Update WIN32 quoting roles documentation.

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This commit is contained in:
Bruce Momjian 2006-07-19 17:01:24 +00:00
parent 5b8b137b16
commit 87c3129e2e
1 changed files with 19 additions and 3 deletions
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22
src/include/port.h
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* $PostgreSQL: pgsql/src/include/port.h,v 1.94 2006/07/11 13:54:24 momjian Exp $ * $PostgreSQL: pgsql/src/include/port.h,v 1.95 2006/07/19 17:01:24 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -94,8 +94,24 @@ extern int find_other_exec(const char *argv0, const char *target,
* It also requires double-quotes around the executable name and * It also requires double-quotes around the executable name and
* any files used for redirection. Other args can use single-quotes. * any files used for redirection. Other args can use single-quotes.
* *
* See the "Notes" section about quotes at: * From http://www.computerhope.com/cmd.htm:
* http://home.earthlink.net/~rlively/MANUALS/COMMANDS/C/CMD.HTM *
* 1. If all of the following conditions are met, then quote characters
* on the command line are preserved:
*
* - no /S switch
* - exactly two quote characters
* - no special characters between the two quote characters, where special
* is one of: &<>()@^|
* - there are one or more whitespace characters between the the two quote
* characters
* - the string between the two quote characters is the name of an
* executable file.
*
* 2. Otherwise, old behavior is to see if the first character is a quote
* character and if so, strip the leading character and remove the last
* quote character on the command line, preserving any text after the last
* quote character.
*/ */
#if defined(WIN32) && !defined(__CYGWIN__) #if defined(WIN32) && !defined(__CYGWIN__)
#define SYSTEMQUOTE "\"" #define SYSTEMQUOTE "\""