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Check for strings before attempting to xfree them #991

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Check for strings before attempting to xfree them #991

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18 changes: 12 additions & 6 deletions ext/rugged/rugged_remote.c
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Original file line number Diff line number Diff line change
Expand Up @@ -343,7 +343,8 @@ static VALUE rb_git_remote_ls(int argc, VALUE *argv, VALUE self)
cleanup:

git_remote_disconnect(remote);
xfree(custom_headers.strings);
if (custom_headers.strings)
xfree(custom_headers.strings);

if (payload.exception)
rb_jump_tag(payload.exception);
Expand Down Expand Up @@ -541,7 +542,8 @@ static VALUE rb_git_remote_check_connection(int argc, VALUE *argv, VALUE self)
error = git_remote_connect(remote, direction, &callbacks, &proxy_options, &custom_headers);
git_remote_disconnect(remote);

xfree(custom_headers.strings);
if (custom_headers.strings)
xfree(custom_headers.strings);

if (payload.exception)
rb_jump_tag(payload.exception);
Expand Down Expand Up @@ -644,8 +646,10 @@ static VALUE rb_git_remote_fetch(int argc, VALUE *argv, VALUE self)

error = git_remote_fetch(remote, &refspecs, &opts, log_message);

xfree(refspecs.strings);
xfree(opts.custom_headers.strings);
if (refspecs.strings)
xfree(refspecs.strings);
if (opts.custom_headers.strings)
xfree(opts.custom_headers.strings);

if (payload.exception)
rb_jump_tag(payload.exception);
Expand Down Expand Up @@ -729,8 +733,10 @@ static VALUE rb_git_remote_push(int argc, VALUE *argv, VALUE self)

error = git_remote_push(remote, &refspecs, &opts);

xfree(refspecs.strings);
xfree(opts.custom_headers.strings);
if (refspecs.strings)
xfree(refspecs.strings);
if (opts.custom_headers.strings)
xfree(opts.custom_headers.strings);

if (payload.exception)
rb_jump_tag(payload.exception);
Expand Down