[flang-commits] [flang] FDATE extension implementation: get date and time in ctime format (PR #71222)

[David Truby via flang-commits]

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@@ -13,8 +13,25 @@
 #include "tools.h"
 #include "flang/Runtime/descriptor.h"
 #include <cstdlib>
+#include <ctime>
 #include <limits>
 
+#ifdef _WIN32
+inline const char *ctime_alloc(
+    char *buffer, size_t bufsize, const time_t cur_time) {
+  int error = ctime_s(buffer, bufsize, &cur_time);
+  assert(error == 0 && "ctime_s returned an error");
+  return buffer;
+}
+#else
+inline const char *ctime_alloc(
+    char *buffer, size_t bufsize, const time_t cur_time) {
+  const char *res = ctime_r(&cur_time, buffer);
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DavidTruby wrote:

Never mind, POSIX_C_SOURCE doesn't exist on macos.... Isn't cross platform development fun? Keep it as-is

https://github.com/llvm/llvm-project/pull/71222