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config.pl get: be better behaved

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When printing an option's value, print a newline at the end.

When the requested option is missing, fail with status 1 (the usual
convention for "not found") rather than -1 (which has a
system-dependent effect).
This commit is contained in:
Gilles Peskine 2017-10-09 16:56:18 +02:00 committed by Simon Butcher
parent 01f57e351c
commit d98e9e8577
1 changed files with 5 additions and 5 deletions
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10
scripts/config.pl
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@ -56,7 +56,7 @@ Commands
unset <symbol> - Comments out the #define for the given symbol if unset <symbol> - Comments out the #define for the given symbol if
present in the configuration file. present in the configuration file.
get <symbol> - Finds the #define for the given symbol, returning get <symbol> - Finds the #define for the given symbol, returning
an exitcode of 0 if the symbol is found, and -1 if an exitcode of 0 if the symbol is found, and 1 if
not. The value of the symbol is output if one is not. The value of the symbol is output if one is
specified in the configuration file. specified in the configuration file.
full - Uncomments all #define's in the configuration file full - Uncomments all #define's in the configuration file
@ -220,7 +220,7 @@ for my $line (@config_lines) {
} }
# Did the set command work? # Did the set command work?
if ($action eq "set"&& $force_option && !$done) { if ($action eq "set" && $force_option && !$done) {
# If the force option was set, append the symbol to the end of the file # If the force option was set, append the symbol to the end of the file
my $line = "#define $name"; my $line = "#define $name";
@ -236,14 +236,14 @@ if (defined $config_write) {
} }
if ($action eq "get") { if ($action eq "get") {
if($done) { if ($done) {
if ($value ne '') { if ($value ne '') {
print $value; print "$value\n";
} }
exit 0; exit 0;
} else { } else {
# If the symbol was not found, return an error # If the symbol was not found, return an error
exit -1; exit 1;
} }
} }