Move STDIN, STDOUT, and STDERR to lower case

14 files changed, 37 insertions, 37 deletions

diff --git a/bpkg/archive.cxx b/bpkg/archive.cxx
index ba03d70..f61e7f3 100644
--- a/bpkg/archive.cxx
+++ b/bpkg/archive.cxx
@@ -64,7 +64,7 @@ namespace bpkg
     for (const string& o: co.tar_option ())
       args.push_back (o.c_str ());
 
-    // -O/--to-stdout -- extract to STDOUT.
+    // -O/--to-stdout -- extract to stdout.
     //
     args.push_back ("-O");
 
@@ -106,7 +106,7 @@ namespace bpkg
       if (verb >= 2)
         print_process (args);
 
-      // If err is false, then redirect STDERR to STDOUT.
+      // If err is false, then redirect stderr to stdout.
       //
       auto_fd nfd (err ? nullfd : fdnull ());
 
diff --git a/bpkg/archive.hxx b/bpkg/archive.hxx
index 6904f7a..17e854a 100644
--- a/bpkg/archive.hxx
+++ b/bpkg/archive.hxx
@@ -20,7 +20,7 @@ namespace bpkg
   package_dir (const path& archive);
 
   // Start the process of extracting the specified file from the archive. If
-  // error is false, then redirect STDERR to /dev/null (this can be used, for
+  // error is false, then redirect stderr to /dev/null (this can be used, for
   // example, to suppress diagnostics).
   //
   // Return a pair of processes that form a pipe. Wait on the second first.
diff --git a/bpkg/checksum.cxx b/bpkg/checksum.cxx
index 7f4afa8..ba55205 100644
--- a/bpkg/checksum.cxx
+++ b/bpkg/checksum.cxx
@@ -24,7 +24,7 @@ namespace bpkg
   check_sha256 (const path& prog)
   {
     // This one doesn't have --version or --help. Running it without any
-    // arguments causes it to calculate the sum of STDIN. But we can ask
+    // arguments causes it to calculate the sum of stdin. But we can ask
     // it to calculate a sum of an empty string.
     //
     const char* args[] = {prog.string ().c_str (), "-q", "-s", "", nullptr};
@@ -36,7 +36,7 @@ namespace bpkg
       if (verb >= 3)
         print_process (args);
 
-      process pr (pp, args, 0, -1, 1); // Redirect STDOUT and STDERR to a pipe.
+      process pr (pp, args, 0, -1, 1); // Redirect stdout and stderr to a pipe.
 
       try
       {
@@ -83,7 +83,7 @@ namespace bpkg
     if (verb >= 3)
       print_process (args);
 
-    // Pipe STDOUT. Process exceptions must be handled by the caller.
+    // Pipe stdout. Process exceptions must be handled by the caller.
     //
     return process (pp, args.data (), 0, -1);
   }
@@ -93,7 +93,7 @@ namespace bpkg
   static bool
   check_sha256sum (const path& prog)
   {
-    // sha256sum --version prints the version to STDOUT and exits with 0
+    // sha256sum --version prints the version to stdout and exits with 0
     // status. The first line starts with "sha256sum (GNU coreutils) 8.21".
     //
     const char* args[] = {prog.string ().c_str (), "--version", nullptr};
@@ -105,7 +105,7 @@ namespace bpkg
       if (verb >= 3)
         print_process (args);
 
-      process pr (pp, args, 0, -1); // Redirect STDOUT to a pipe.
+      process pr (pp, args, 0, -1); // Redirect stdout to a pipe.
 
       try
       {
@@ -160,7 +160,7 @@ namespace bpkg
     if (verb >= 3)
       print_process (args);
 
-    // Pipe STDOUT. Process exceptions must be handled by the caller.
+    // Pipe stdout. Process exceptions must be handled by the caller.
     //
     return process (pp, args.data (), 0, -1);
   }
@@ -170,7 +170,7 @@ namespace bpkg
   static bool
   check_shasum (const path& prog)
   {
-    // shasum --version prints just the version to STDOUT and exits with 0
+    // shasum --version prints just the version to stdout and exits with 0
     // status. The output looks like "5.84".
     //
     const char* args[] = {prog.string ().c_str (), "--version", nullptr};
@@ -182,7 +182,7 @@ namespace bpkg
       if (verb >= 3)
         print_process (args);
 
-      process pr (pp, args, 0, -1); // Redirect STDOUT to a pipe.
+      process pr (pp, args, 0, -1); // Redirect stdout to a pipe.
 
       try
       {
@@ -226,7 +226,7 @@ namespace bpkg
     if (verb >= 3)
       print_process (args);
 
-    // Pipe STDOUT. Process exceptions must be handled by the caller.
+    // Pipe stdout. Process exceptions must be handled by the caller.
     //
     return process (pp, args.data (), 0, -1);
   }
diff --git a/bpkg/fetch-git.cxx b/bpkg/fetch-git.cxx
index 395caf7..95dcbc7 100644
--- a/bpkg/fetch-git.cxx
+++ b/bpkg/fetch-git.cxx
@@ -1192,7 +1192,7 @@ namespace bpkg
 
       // Note that we suppress the (too detailed) fetch command output if the
       // verbosity level is 1. However, we still want to see the progress in
-      // this case, unless STDERR is not directed to a terminal.
+      // this case, unless stderr is not directed to a terminal.
       //
       // Also note that we don't need to specify --refmap option since we can
       // rely on the init() function that properly sets the
diff --git a/bpkg/fetch.cxx b/bpkg/fetch.cxx
index ad903cc..f764cce 100644
--- a/bpkg/fetch.cxx
+++ b/bpkg/fetch.cxx
@@ -23,7 +23,7 @@ namespace bpkg
   {
     tracer trace ("check_wget");
 
-    // wget --version prints the version to STDOUT and exits with 0
+    // wget --version prints the version to stdout and exits with 0
     // status. The first line starts with "GNU Wget X.Y[.Z].
     //
     const char* args[] = {prog.string ().c_str (), "--version", nullptr};
@@ -35,7 +35,7 @@ namespace bpkg
       if (verb >= 3)
         print_process (args);
 
-      process pr (pp, args, 0, -1); // Redirect STDOUT to a pipe.
+      process pr (pp, args, 0, -1); // Redirect stdout to a pipe.
 
       string l;
 
@@ -105,7 +105,7 @@ namespace bpkg
     };
 
     // Map verbosity level. If we are running quiet or at level 1
-    // and the output is STDOUT, then run wget quiet. If at level
+    // and the output is stdout, then run wget quiet. If at level
     // 1 and the output is a file, then show the progress bar. At
     // level 2 and 3 run it at the default level (so we will print
     // the command line and it will display the progress, error
@@ -181,7 +181,7 @@ namespace bpkg
   static bool
   check_curl (const path& prog)
   {
-    // curl --version prints the version to STDOUT and exits with 0
+    // curl --version prints the version to stdout and exits with 0
     // status. The first line starts with "curl X.Y.Z"
     //
     const char* args[] = {prog.string ().c_str (), "--version", nullptr};
@@ -193,7 +193,7 @@ namespace bpkg
       if (verb >= 3)
         print_process (args);
 
-      process pr (pp, args, 0, -1); // Redirect STDOUT to a pipe.
+      process pr (pp, args, 0, -1); // Redirect stdout to a pipe.
 
       try
       {
@@ -238,7 +238,7 @@ namespace bpkg
     };
 
     // Map verbosity level. If we are running quiet or at level 1
-    // and the output is STDOUT, then run curl quiet. If at level
+    // and the output is stdout, then run curl quiet. If at level
     // 1 and the output is a file, then show the progress bar. At
     // level 2 and 3 run it at the default level (so we will print
     // the command line and it will display its elaborate progress).
@@ -270,7 +270,7 @@ namespace bpkg
     for (const string& o: ops)
       args.push_back (o.c_str ());
 
-    // Output. By default curl writes to STDOUT.
+    // Output. By default curl writes to stdout.
     //
     if (fo)
     {
@@ -319,7 +319,7 @@ namespace bpkg
       if (verb >= 3)
         print_process (args);
 
-      process pr (pp, args, 0, -1, 1); // Redirect STDOUT and STDERR to a pipe.
+      process pr (pp, args, 0, -1, 1); // Redirect stdout and stderr to a pipe.
 
       try
       {
diff --git a/bpkg/fetch.hxx b/bpkg/fetch.hxx
index b7b9a29..b1433c6 100644
--- a/bpkg/fetch.hxx
+++ b/bpkg/fetch.hxx
@@ -106,7 +106,7 @@ namespace bpkg
   //
 
   // Start the process of fetching the specified URL. If out is empty, then
-  // fetch to STDOUT. In this case also don't show any progress unless we are
+  // fetch to stdout. In this case also don't show any progress unless we are
   // running verbose.
   //
   butl::process
diff --git a/bpkg/pkg-build.cli b/bpkg/pkg-build.cli
index a1a79de..c370ac4 100644
--- a/bpkg/pkg-build.cli
+++ b/bpkg/pkg-build.cli
@@ -253,7 +253,7 @@ namespace bpkg
 
     bool --print-only|-p
     {
-      "Print to \cb{STDOUT} what would be done without actually doing
+      "Print to \cb{stdout} what would be done without actually doing
        anything."
     }
 
diff --git a/bpkg/pkg-disfigure.cxx b/bpkg/pkg-disfigure.cxx
index bcd14f1..8da25be 100644
--- a/bpkg/pkg-disfigure.cxx
+++ b/bpkg/pkg-disfigure.cxx
@@ -135,8 +135,8 @@ namespace bpkg
             {
               auto_fd dev_null (open_dev_null ());
 
-              // Redirect STDERR to /dev/null. Note that we don't expect
-              // anything to be written to STDOUT.
+              // Redirect stderr to /dev/null. Note that we don't expect
+              // anything to be written to stdout.
               //
               process pr (start_b (o,
                                    1 /* stdout */, dev_null /* stderr */,
diff --git a/bpkg/pkg-drop.cli b/bpkg/pkg-drop.cli
index 4ef3733..2d7f206 100644
--- a/bpkg/pkg-drop.cli
+++ b/bpkg/pkg-drop.cli
@@ -72,7 +72,7 @@ namespace bpkg
 
     bool --print-only|-p
     {
-      "Print to \cb{STDOUT} what would be done without actually doing
+      "Print to \cb{stdout} what would be done without actually doing
        anything."
     }
 
diff --git a/bpkg/pkg-status.cli b/bpkg/pkg-status.cli
index fd6cba1..5ef00a9 100644
--- a/bpkg/pkg-status.cli
+++ b/bpkg/pkg-status.cli
@@ -29,8 +29,8 @@ namespace bpkg
      \l{bpkg-pkg-build(1)}). Additionally, the status of immediate or all
      dependencies of the above packages can be printed by specifying the
      \c{\b{--immediate}|\b{-i}} or \c{\b{--recursive}|\b{-r}} options,
-     respectively. Note that the status is written to \cb{STDOUT}, not
-     \cb{STDERR}.
+     respectively. Note that the status is written to \cb{stdout}, not
+     \cb{stderr}.
 
      The status output format is regular with components separated with
      spaces. Each line starts with the package name (and version, if
diff --git a/bpkg/pkg-verify.cxx b/bpkg/pkg-verify.cxx
index 69014ac..a372efa 100644
--- a/bpkg/pkg-verify.cxx
+++ b/bpkg/pkg-verify.cxx
@@ -28,7 +28,7 @@ namespace bpkg
 
     // If diag is false, we need to make tar not print any diagnostics. There
     // doesn't seem to be an option to suppress this and the only way is to
-    // redirect STDERR to something like /dev/null.
+    // redirect stderr to something like /dev/null.
     //
     // If things go badly for tar and it starts spitting errors instead of the
     // manifest, the manifest parser will fail. But that's ok since we assume
@@ -196,7 +196,7 @@ namespace bpkg
       {
         try
         {
-          manifest_serializer s (cout, "STDOUT");
+          manifest_serializer s (cout, "stdout");
           m.serialize (s);
         }
         catch (const manifest_serialization& e)
@@ -205,7 +205,7 @@ namespace bpkg
         }
         catch (const io_error&)
         {
-          fail << "unable to write to STDOUT";
+          fail << "unable to write to stdout";
         }
       }
       else if (verb && !o.silent () && !o.no_result ())
diff --git a/bpkg/rep-info.cli b/bpkg/rep-info.cli
index 35afd55..6ce1953 100644
--- a/bpkg/rep-info.cli
+++ b/bpkg/rep-info.cli
@@ -29,8 +29,8 @@ namespace bpkg
      prerequisite repositories followed by the list of available packages.
 
      This default format can be altered in various ways using options listed
-     below. Note also that the information is written to \cb{STDOUT}, not
-     \cb{STDERR}.
+     below. Note also that the information is written to \cb{stdout}, not
+     \cb{stderr}.
 
      If the current working directory contains a \cb{bpkg} configuration, then
      \cb{rep-info} will use its certificate database for the repository
diff --git a/bpkg/rep-info.cxx b/bpkg/rep-info.cxx
index 9f78a91..b551084 100644
--- a/bpkg/rep-info.cxx
+++ b/bpkg/rep-info.cxx
@@ -177,7 +177,7 @@ namespace bpkg
 
           // Note: serializing without any extra repository_manifests info.
           //
-          manifest_serializer s (cout, "STDOUT");
+          manifest_serializer s (cout, "stdout");
 
           for (const repository_manifest& rm: rms)
             rm.serialize (s);
@@ -268,7 +268,7 @@ namespace bpkg
 
           // Note: serializing without any extra package_manifests info.
           //
-          manifest_serializer s (cout, "STDOUT");
+          manifest_serializer s (cout, "stdout");
           for (const package_manifest& pm: pms)
             pm.serialize (s);
           s.next ("", ""); // End of stream.
@@ -310,7 +310,7 @@ namespace bpkg
     }
     catch (const io_error&)
     {
-      fail << "unable to write to STDOUT";
+      fail << "unable to write to stdout";
     }
 
     return 0;
diff --git a/bpkg/rep-list.cli b/bpkg/rep-list.cli
index e487ddc..5bd538d 100644
--- a/bpkg/rep-list.cli
+++ b/bpkg/rep-list.cli
@@ -24,7 +24,7 @@ namespace bpkg
      The \cb{rep-list} command lists the repositories in the configuration.
 
      For each repository a line containing the repository name and location is
-     printed to \cb{STDOUT}. If the \cb{--complements|-c} and/or
+     printed to \cb{stdout}. If the \cb{--complements|-c} and/or
      \cb{--prerequisites|-p} options are specified, then it is followed by
      the list of complement and/or prerequisite repositories, recursively."
   }