From bfe9aeb47b494ec4243549340f9abf2a246e35a0 Mon Sep 17 00:00:00 2001 From: Patrik Nyblom Date: Wed, 13 Feb 2013 12:24:34 +0100 Subject: Add +pc {latin1|unicode} switch and io:printable_range/0 This is the base for implementing configurable ~tp printouts, so that the user can define which characters to view as actually printable in the shell and by io_lib:format. The functionality is neither documented nor used in this commit --- erts/emulator/beam/erl_init.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) (limited to 'erts/emulator/beam/erl_init.c') diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index ec3e0d54cb..83853dcd43 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -496,7 +496,7 @@ void erts_usage(void) erts_fprintf(stderr, "-d don't write a crash dump for internally detected errors\n"); erts_fprintf(stderr, " (halt(String) will still produce a crash dump)\n"); - + erts_fprintf(stderr, "-fn[u|a|l] Control how filenames are interpreted\n"); erts_fprintf(stderr, "-hms size set minimum heap size in words (default %d)\n", H_DEFAULT_SIZE); erts_fprintf(stderr, "-hmbs size set minimum binary virtual heap size in words (default %d)\n", @@ -509,7 +509,7 @@ void erts_usage(void) erts_fprintf(stderr, " Note that this flag is deprecated!\n"); erts_fprintf(stderr, "-M memory allocator switches,\n"); erts_fprintf(stderr, " see the erts_alloc(3) documentation for more info.\n"); - + erts_fprintf(stderr, "-pc Control what characters are considered printable (default latin1)\n"); erts_fprintf(stderr, "-P number set maximum number of processes on this node,\n"); erts_fprintf(stderr, " valid range is [%d-%d]\n", ERTS_MIN_PROCESSES, ERTS_MAX_PROCESSES); @@ -979,13 +979,30 @@ erl_start(int argc, char **argv) VERBOSE(DEBUG_SYSTEM, ("using display items %d\n",display_items)); break; + case 'p': + if (!strncmp(argv[i],"-pc",3)) { + int printable_chars = ERL_PRINTABLE_CHARACTERS_LATIN1; + arg = get_arg(argv[i]+3, argv[i+1], &i); + if (!strcmp(arg,"unicode")) { + printable_chars = ERL_PRINTABLE_CHARACTERS_UNICODE; + } else if (strcmp(arg,"latin1")) { + erts_fprintf(stderr, "bad range of printable " + "characters: %s\n", arg); + erts_usage(); + } + erts_set_printable_characters(printable_chars); + break; + } else { + erts_fprintf(stderr, "%s unknown flag %s\n", argv[0], argv[i]); + erts_usage(); + } case 'f': if (!strncmp(argv[i],"-fn",3)) { int warning_type = ERL_FILENAME_WARNING_WARNING; arg = get_arg(argv[i]+3, argv[i+1], &i); switch (*arg) { case 'u': - switch (*(argv[i]+4)) { + switch (*(arg+1)) { case 'w': case 0: break; @@ -997,7 +1014,7 @@ erl_start(int argc, char **argv) break; default: erts_fprintf(stderr, "bad type of warnings for " - "wrongly coded filename: %s\n", argv[i]+4); + "wrongly coded filename: %s\n", arg+1); erts_usage(); } erts_set_user_requested_filename_encoding @@ -1014,7 +1031,7 @@ erl_start(int argc, char **argv) ); break; case 'a': - switch (*(argv[i]+4)) { + switch (*(arg+1)) { case 'w': case 0: break; @@ -1026,7 +1043,7 @@ erl_start(int argc, char **argv) break; default: erts_fprintf(stderr, "bad type of warnings for " - "wrongly coded filename: %s\n", argv[i]+4); + "wrongly coded filename: %s\n", arg+1); erts_usage(); } erts_set_user_requested_filename_encoding -- cgit v1.2.3