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Patch for cygutils: make cygstart behave better under mount -X
- From: Michael Schaap <cygwin at mscha dot org>
- To: cygwin at cygwin dot com
- Date: 2005年5月12日 20:23:34 +0200
- Subject: Patch for cygutils: make cygstart behave better under mount -X
- Reply-to: cygwin at cygwin dot com
Hi,
Attached is a patch to fix cygstart behaviour when running under "mount
-X". Cygstart now ensures that the Windows environment is synchronized
with the Cygwin one.
(For more details, see the recent thread: "Fixing strace and cygcheck so
that they work with mount -X")
Chuck, can you, at your convenience, apply this patch and release a new
version of cygutils?
Thanks in advance,
- Michael
--- ORIG/cygstart.c 2005年03月08日 06:22:51.000000000 +0100
+++ cygstart.c 2005年05月12日 00:37:06.047250000 +0200
@@ -40,7 +40,7 @@
#define MSDN_URL "http://msdn.microsoft.com/library/en-us/shellcc/platform/"; \
"Shell/reference/functions/shellexecute.asp"
-static const char versionID[] = "1.0";
+static const char versionID[] = "1.2";
/* for future CVS */
static const char revID[] =
"$Id: cygstart.c,v 1.3 2005年03月08日 05:22:51 cwilson Exp $";
@@ -64,6 +64,7 @@
static void help(poptContext optCon, FILE *f, char *name);
static void version(poptContext optCon, FILE *f, char *name);
static void license(poptContext optCon, FILE *f, char *name);
+static void setup_win_environ(void);
int main(int argc, const char **argv)
{
@@ -404,6 +405,9 @@
{
int ret;
+ /* Need to sync the Windows environment when running under "mount -X" */
+ setup_win_environ();
+
ret = (int) ShellExecute(NULL, action, aPath, args, workDir, show);
if (ret >= 32) {
return TRUE;
@@ -511,3 +515,25 @@
printTopDescription(f, name);
printLicense(f, name);
}
+
+/* Copy cygwin environment variables to the Windows environment if they're not
+ * already there. */
+static void setup_win_environ(void)
+{
+ char **envp = environ;
+ char *var, *val;
+ char curval[2];
+
+ while (envp && *envp) {
+ var = strdup(*envp++);
+ val = strchr(var, '=');
+ *val++ = '0円';
+
+ if (GetEnvironmentVariable(var, curval, 2) == 0
+ && GetLastError() == ERROR_ENVVAR_NOT_FOUND) {
+ SetEnvironmentVariable(var, val);
+ }
+
+ free(var);
+ }
+}
--
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