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author | Sebastian Rasmussen <sebras@gmail.com> | 2017-10-29 13:15:04 +0100 |
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committer | Tor Andersson <tor.andersson@artifex.com> | 2017-11-22 23:09:51 +0100 |
commit | e0ecb56e43727e25c3d9838ff98244d7c47a4c81 (patch) | |
tree | c7429a0ae7b90598a57534e772bb5ce522d9880b | |
parent | 0341de323d93bb6f7344dd381690e04314cbd9ae (diff) | |
download | mupdf-e0ecb56e43727e25c3d9838ff98244d7c47a4c81.tar.xz |
js: Return undef when not finding metadata.
Previously when metadata was not found mupdf still tried
to return a string to the caller, but the string was uninitialized.
-rw-r--r-- | source/tools/murun.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/source/tools/murun.c b/source/tools/murun.c index ea66f0ac..6754b32e 100644 --- a/source/tools/murun.c +++ b/source/tools/murun.c @@ -1648,13 +1648,17 @@ static void ffi_Document_getMetaData(js_State *J) fz_document *doc = ffi_todocument(J, 0); const char *key = js_tostring(J, 1); char info[256]; + int found; fz_try(ctx) - fz_lookup_metadata(ctx, doc, key, info, sizeof info); + found = fz_lookup_metadata(ctx, doc, key, info, sizeof info); fz_catch(ctx) rethrow(J); - js_pushstring(J, info); + if (found) + js_pushstring(J, info); + else + js_pushundefined(J); } static void ffi_Document_isReflowable(js_State *J) |