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* [gcc r13-5250] libfortran: Fix execute_command_line for Windows
@ 2023-01-18 22:32 Tobias Burnus
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From: Tobias Burnus @ 2023-01-18 22:32 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8e2c6e7b426b6c9c13076208b2e176d4aa1432f1
commit r13-5250-g8e2c6e7b426b6c9c13076208b2e176d4aa1432f1
Author: Tobias Burnus <tobias@codesourcery.com>
Date: Wed Jan 18 23:31:41 2023 +0100
libfortran: Fix execute_command_line for Windows
On Windows, 'system' is called - that fails with -1 if the command
interpreter could not be started; on POSIX systems, if the child
process could not be started by the shell, exit(127)/_exit(127) is
called/returned. On Windows, cmd.exe (and also the PowerShell) return
errorlevel 9009.
libgfortran/ChangeLog:
* intrinsics/execute_command_line.c (execute_command_line): On
Windows, regard system()'s return value of 9009 as EXEC_INVALIDCOMMAND.
Diff:
---
libgfortran/intrinsics/execute_command_line.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libgfortran/intrinsics/execute_command_line.c b/libgfortran/intrinsics/execute_command_line.c
index 305f067d973..0d1688400c2 100644
--- a/libgfortran/intrinsics/execute_command_line.c
+++ b/libgfortran/intrinsics/execute_command_line.c
@@ -144,6 +144,11 @@ execute_command_line (const char *command, bool wait, int *exitstat,
#if defined(WEXITSTATUS) && defined(WIFEXITED)
|| (WIFEXITED(res) && WEXITSTATUS(res) == 127)
|| (WIFEXITED(res) && WEXITSTATUS(res) == 126)
+#endif
+#ifdef __MINGW32__
+ /* cmd.exe sets the errorlevel to 9009,
+ if the command could not be executed. */
+ || res == 9009
#endif
)
/* Shell return codes 126 and 127 mean that the command line could
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