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Tcl_DString *linePtr) /* Initialized Tcl_DString that receives the
* command line (WCHAR). */
{
const char *arg, *start, *special, *bspos;
int quote = 0;
size_t i;
Tcl_DString ds;
#ifdef TCL_WIN_PIPE_FULLESC
/* full escape inclusive %-subst avoidance */
static const char specMetaChars[] = "&|^<>!()%";
/* Characters to enclose in quotes if unpaired
* quote flag set. */
static const char specMetaChars2[] = "%";
/* Character to enclose in quotes in any case
* (regardless of unpaired-flag). */
#else
/* escape considering quotation only (no %-subst avoidance) */
static const char specMetaChars[] = "&|^<>!()";
/* Characters to enclose in quotes if unpaired
* quote flag set. */
#endif
/*
* Quote flags:
* CL_ESCAPE - escape argument;
* CL_QUOTE - enclose in quotes;
* CL_UNPAIRED - previous arguments chain contains unpaired quote-char;
*/
enum {CL_ESCAPE = 1, CL_QUOTE = 2, CL_UNPAIRED = 4};
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/*
* Start to current or first backslash
*/
start = !bspos ? special : bspos;
continue;
}
#ifdef TCL_WIN_PIPE_FULLESC
/*
* Special case for % - should be enclosed always (paired
* also)
*/
if (strchr(specMetaChars2, *special)) {
special = QuoteCmdLinePart(&ds, start, special,
specMetaChars2, &bspos);
/*
* Start to current or first backslash.
*/
start = !bspos ? special : bspos;
continue;
}
#endif
/*
* Other not special (and not meta) character
*/
bspos = NULL; /* reset last backslash position (not
* interesting) */
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