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-rw-r--r--win/winMain.c132
1 files changed, 130 insertions, 2 deletions
diff --git a/win/winMain.c b/win/winMain.c
index 254d194..273cf0f 100644
--- a/win/winMain.c
+++ b/win/winMain.c
@@ -9,7 +9,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: winMain.c,v 1.26 2007/12/13 15:28:56 dgp Exp $
+ * RCS: @(#) $Id: winMain.c,v 1.26.2.1 2010/05/31 13:47:33 nijtmans Exp $
*/
#include "tkInt.h"
@@ -33,6 +33,10 @@ static void WishPanic(CONST char *format, ...);
extern int Tktest_Init(Tcl_Interp *interp);
#endif /* TK_TEST */
+#if defined(__CYGWIN__)
+static void setargv(int *argcPtr, char ***argvPtr);
+#endif /* __CYGWIN__ */
+
static BOOL consoleRequired = TRUE;
/*
@@ -104,8 +108,12 @@ WinMain(
* Get our args from the c-runtime. Ignore lpszCmdLine.
*/
+#if defined(__CYGWIN__)
+ setargv(&argc, &argv);
+#else
argc = __argc;
argv = __argv;
+#endif
/*
* Forward slashes substituted for backslashes.
@@ -284,7 +292,127 @@ main(
return 0;
}
#endif /* !__GNUC__ || TK_TEST */
-
+
+
+/*
+ *-------------------------------------------------------------------------
+ *
+ * setargv --
+ *
+ * Parse the Windows command line string into argc/argv. Done here
+ * because we don't trust the builtin argument parser in crt0. Windows
+ * applications are responsible for breaking their command line into
+ * arguments.
+ *
+ * 2N backslashes + quote -> N backslashes + begin quoted string
+ * 2N + 1 backslashes + quote -> literal
+ * N backslashes + non-quote -> literal
+ * quote + quote in a quoted string -> single quote
+ * quote + quote not in quoted string -> empty string
+ * quote -> begin quoted string
+ *
+ * Results:
+ * Fills argcPtr with the number of arguments and argvPtr with the array
+ * of arguments.
+ *
+ * Side effects:
+ * Memory allocated.
+ *
+ *--------------------------------------------------------------------------
+ */
+
+#if defined(__CYGWIN__)
+static void
+setargv(
+ int *argcPtr, /* Filled with number of argument strings. */
+ char ***argvPtr) /* Filled with argument strings (malloc'd). */
+{
+ char *cmdLine, *p, *arg, *argSpace;
+ char **argv;
+ int argc, size, inquote, copy, slashes;
+
+ cmdLine = GetCommandLine(); /* INTL: BUG */
+
+ /*
+ * Precompute an overly pessimistic guess at the number of arguments in
+ * the command line by counting non-space spans.
+ */
+
+ size = 2;
+ for (p = cmdLine; *p != '\0'; p++) {
+ if ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */
+ size++;
+ while ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */
+ p++;
+ }
+ if (*p == '\0') {
+ break;
+ }
+ }
+ }
+ argSpace = (char *) ckalloc(
+ (unsigned) (size * sizeof(char *) + strlen(cmdLine) + 1));
+ argv = (char **) argSpace;
+ argSpace += size * sizeof(char *);
+ size--;
+
+ p = cmdLine;
+ for (argc = 0; argc < size; argc++) {
+ argv[argc] = arg = argSpace;
+ while ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */
+ p++;
+ }
+ if (*p == '\0') {
+ break;
+ }
+
+ inquote = 0;
+ slashes = 0;
+ while (1) {
+ copy = 1;
+ while (*p == '\\') {
+ slashes++;
+ p++;
+ }
+ if (*p == '"') {
+ if ((slashes & 1) == 0) {
+ copy = 0;
+ if ((inquote) && (p[1] == '"')) {
+ p++;
+ copy = 1;
+ } else {
+ inquote = !inquote;
+ }
+ }
+ slashes >>= 1;
+ }
+
+ while (slashes) {
+ *arg = '\\';
+ arg++;
+ slashes--;
+ }
+
+ if ((*p == '\0') || (!inquote &&
+ ((*p == ' ') || (*p == '\t')))) { /* INTL: ISO space. */
+ break;
+ }
+ if (copy != 0) {
+ *arg = *p;
+ arg++;
+ }
+ p++;
+ }
+ *arg = '\0';
+ argSpace = arg + 1;
+ }
+ argv[argc] = NULL;
+
+ *argcPtr = argc;
+ *argvPtr = argv;
+}
+#endif /* __CYGWIN__ */
+
/*
* Local Variables:
* mode: c