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Allow strip escape sequence characters from log file

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The log without escape key stripped is like:

^M[12:47:17] ACRN:\>
^M[12:47:17] ACRN:\>lasdfjklsdjf
^M
^M[12:47:18] Error: Invalid command.
^M[12:47:19] ACRN:\>
^M[12:47:26] ACRN:\>
^M[12:47:26] ACRN:\>sdafkljsdkaljfklsadjflksdjafjsda^H ^H^H...
^M
^M[12:47:31] Error: Invalid command.

After strip escape key, the log is like:

[12:49:18] ACRN:\>
[12:49:19] ACRN:\>
[12:49:19] ACRN:\>ls

[12:49:19] Error: Invalid command.
[12:49:19] ACRN:\>
[12:49:19] ACRN:\>dfaslhj

[12:49:24] Error: Invalid command.

Beside escape key, it also handle backspace key as well.
This commit is contained in:
Yin Fengwei 2021-01-21 10:35:33 +08:00
parent 1079991608
commit c0c21b1814
5 changed files with 101 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/options.c
View file

@ -48,6 +48,7 @@ struct option_t option =
false, // No local echo
false, // No timestamp
"", // Log filename
false, // Strip esc charaters from log file
"" // Map string
};
@ -67,6 +68,7 @@ void print_help(char *argv[])
printf(" -t, --timestamp Prefix each new line with a timestamp\n");
printf(" -l, --log <filename> Log to file\n");
printf(" -m, --map <flags> Map special characters\n");
printf(" -S, --strip-esc Strip esc characters from log file\n");
printf(" -v, --version Display version\n");
printf(" -h, --help Display help\n");
printf("\n");
@ -117,6 +119,7 @@ void parse_options(int argc, char *argv[])
{"timestamp", no_argument, 0, 't'},
{"log", required_argument, 0, 'l'},
{"map", required_argument, 0, 'm'},
{"strip-esc", no_argument, 0, 'S'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0 }
@ -126,7 +129,7 @@ void parse_options(int argc, char *argv[])
int option_index = 0;
/* Parse argument using getopt_long */
c = getopt_long(argc, argv, "b:d:f:s:p:o:netl:m:vh", long_options, &option_index);
c = getopt_long(argc, argv, "b:d:f:s:p:o:netl:m:Svh", long_options, &option_index);
/* Detect the end of the options */
if (c == -1)
@ -189,6 +192,10 @@ void parse_options(int argc, char *argv[])
option.map = optarg;
break;
case 'S':
option.strip_esc = true;
break;
case 'v':
printf("tio v%s\n", VERSION);
printf("Copyright (c) 2014-2018 Martin Lund\n");