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If a LEDGER_ envvar has no value, ignore it

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This commit is contained in:
John Wiegley 2009-02-13 01:53:33 -04:00
parent f594bf787a
commit c0fd8d5e15
1 changed files with 3 additions and 1 deletions
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4
src/option.cc
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@ -126,7 +126,9 @@ void process_environment(const char ** envp, const string& tag,
if (*q == '=') { if (*q == '=') {
try { try {
process_option(string(buf), scope, q + 1, string(*p, q - *p)); string value = string(*p, q - *p);
if (! value.empty())
process_option(string(buf), scope, q + 1, value);
} }
catch (const std::exception& err) { catch (const std::exception& err) {
add_error_context("While parsing environment variable option '" add_error_context("While parsing environment variable option '"