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-rw-r--r--butl/process15
1 files changed, 14 insertions, 1 deletions
diff --git a/butl/process b/butl/process
index 96b161f..e1eea29 100644
--- a/butl/process
+++ b/butl/process
@@ -9,8 +9,9 @@
# include <sys/types.h> // pid_t
#endif
+#include <iosfwd>
#include <cassert>
-#include <cstdint> // uint32_t
+#include <cstdint> // uint32_t
#include <system_error>
#include <butl/path>
@@ -260,6 +261,18 @@ namespace butl
static process_path
try_path_search (const path&, bool, const dir_path& = dir_path ());
+ // Print process commmand line. If the number of elements is specified,
+ // then it will print the piped multi-process command line, if present.
+ // In this case, the expected format is as follows:
+ //
+ // name1 arg arg ... nullptr
+ // name2 arg arg ... nullptr
+ // ...
+ // nameN arg arg ... nullptr nullptr
+ //
+ static void
+ print (std::ostream&, const char* const args[], size_t n = 0);
+
public:
#ifndef _WIN32
using handle_type = pid_t;