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| author | Mike Pall <mike> | 2021-07-19 16:45:26 +0200 |
|---|---|---|
| committer | Mike Pall <mike> | 2021-07-19 16:45:26 +0200 |
| commit | a689e9dc430613755ae49b0c46cb9ba6c59d0006 (patch) | |
| tree | dc0fd51dd671ca01d024e00b7f7110d8f0e6f2f1 /src/lib_buffer.c | |
| parent | 02bcbea8b0f1b30b75460f31fb8749fec55d1e2e (diff) | |
| download | luajit-a689e9dc430613755ae49b0c46cb9ba6c59d0006.tar.gz luajit-a689e9dc430613755ae49b0c46cb9ba6c59d0006.tar.bz2 luajit-a689e9dc430613755ae49b0c46cb9ba6c59d0006.zip | |
String buffers, part 2f: Prevent self-put of buffer.
Sponsored by fmad.io.
Diffstat (limited to 'src/lib_buffer.c')
| -rw-r--r-- | src/lib_buffer.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib_buffer.c b/src/lib_buffer.c index f13320c4..cb7531a2 100644 --- a/src/lib_buffer.c +++ b/src/lib_buffer.c | |||
| @@ -126,6 +126,7 @@ LJLIB_CF(buffer_method_put) | |||
| 126 | lj_strfmt_putfnum((SBuf *)sbx, STRFMT_G14, numV(o)); | 126 | lj_strfmt_putfnum((SBuf *)sbx, STRFMT_G14, numV(o)); |
| 127 | } else if (tvisbuf(o)) { | 127 | } else if (tvisbuf(o)) { |
| 128 | SBufExt *sbx2 = bufV(o); | 128 | SBufExt *sbx2 = bufV(o); |
| 129 | if (sbx2 == sbx) lj_err_arg(L, arg+1, LJ_ERR_BUFFER_SELF); | ||
| 129 | lj_buf_putmem((SBuf *)sbx, sbx2->r, sbufxlen(sbx2)); | 130 | lj_buf_putmem((SBuf *)sbx, sbx2->r, sbufxlen(sbx2)); |
| 130 | } else if (!mo && !tvisnil(mo = lj_meta_lookup(L, o, MM_tostring))) { | 131 | } else if (!mo && !tvisnil(mo = lj_meta_lookup(L, o, MM_tostring))) { |
| 131 | /* Call __tostring metamethod inline. */ | 132 | /* Call __tostring metamethod inline. */ |