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Yoda comments on the mysteries of this code.

master
Xavier Leroy 2016-09-05 19:13:48 +02:00
parent a91d6a5470
commit 72d7dd734e
1 changed files with 6 additions and 2 deletions
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8
byterun/startup.c
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@ -310,8 +310,12 @@ CAMLexport void caml_main(char **argv)
exe_name = argv[0];
fd = caml_attempt_open(&exe_name, &trail, 0);
/* Should we really do that at all? The current executable is ocamlrun
itself, it's never a bytecode program. */
/* Little grasshopper wonders why we do that at all, since
"The current executable is ocamlrun itself, it's never a bytecode
program". Little grasshopper "ocamlc -custom" in mind should keep.
With -custom, we have an executable that is ocamlrun itself
concatenated with the bytecode. So, if the attempt with argv[0]
failed, it is worth trying again with executable_name. */
if (fd < 0 && (proc_self_exe = caml_executable_name()) != NULL) {
exe_name = proc_self_exe;
fd = caml_attempt_open(&exe_name, &trail, 0);