[PATCH] D111392: [flang] Add runtime interface for GET_ENVIRONMENT_VARIABLE

[Diana Picus via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG02602c02a301: [flang] Add runtime interface for GET_ENVIRONMENT_VARIABLE (authored by rovka).

Changed prior to commit:
  https://reviews.llvm.org/D111392?vs=378143&id=378917#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111392/new/

https://reviews.llvm.org/D111392

Files:
  flang/include/flang/Runtime/command.h


Index: flang/include/flang/Runtime/command.h
===================================================================
--- flang/include/flang/Runtime/command.h
+++ flang/include/flang/Runtime/command.h
@@ -35,6 +35,21 @@
 // Try to get the significant length of the n'th argument.
 // Returns 0 if it doesn't manage.
 std::int64_t RTNAME(ArgumentLength)(std::int32_t n);
+
+// 16.9.84 GET_ENVIRONMENT_VARIABLE
+// We're breaking up the interface into several different functions, since most
+// of the parameters are optional.
+
+// Try to get the value of the environment variable specified by NAME.
+// Returns a STATUS as described in the standard.
+std::int32_t RTNAME(EnvVariableValue)(const Descriptor &name,
+    const Descriptor *value = nullptr, bool trim_name = true,
+    const Descriptor *errmsg = nullptr);
+
+// Try to get the significant length of the environment variable specified by
+// NAME. Returns 0 if it doesn't manage.
+std::int64_t RTNAME(EnvVariableLength)(
+    const Descriptor &name, bool trim_name = true);
 }
 } // namespace Fortran::runtime
 


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