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| author | Gerd Moellmann <gerd@gnu.org> | 2000-09-06 21:42:14 +0000 |
|---|---|---|
| committer | Gerd Moellmann <gerd@gnu.org> | 2000-09-06 21:42:14 +0000 |
| commit | 684b01ee39da9caf6b70afd28f461dfcd0b3adca (patch) | |
| tree | eb77d8b65b09e835446a5d2155c2a27040def15a /src/buffer.c | |
| parent | 0a58f9464829317ab60b8ed350f07be0618749f0 (diff) | |
| download | emacs-684b01ee39da9caf6b70afd28f461dfcd0b3adca.tar.gz | |
(set_buffer_internal_1) [REL_ALLOC_MMAP]: If
buffer's text buffer is null, map new memory.
Diffstat (limited to 'src/buffer.c')
| -rw-r--r-- | src/buffer.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/buffer.c b/src/buffer.c index 5c5c2e05b25..a839b1e97a9 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -1548,6 +1548,17 @@ set_buffer_internal_1 (b) register Lisp_Object tail, valcontents; Lisp_Object tem; +#ifdef REL_ALLOC_MMAP + if (b->text->beg == NULL) + { + BLOCK_INPUT; + BUFFER_REALLOC (BUF_BEG_ADDR (b), + (BUF_Z_BYTE (b) - BUF_BEG_BYTE (b) + + BUF_GAP_SIZE (b) + 1)); + UNBLOCK_INPUT; + } +#endif /* REL_ALLOC_MMAP */ + if (current_buffer == b) return; |