diff options
Diffstat (limited to 'locale')
| -rw-r--r-- | locale/programs/locarchive.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/locale/programs/locarchive.c b/locale/programs/locarchive.c index 02f89de3a8..66c5d393e2 100644 --- a/locale/programs/locarchive.c +++ b/locale/programs/locarchive.c @@ -131,14 +131,12 @@ create_archive (const char *archivefname, struct locarhandle *ah) /* To prepare for enlargements of the mmaped area reserve some address space. */ - size_t reserved; + size_t reserved = RESERVE_MMAP_SIZE; int xflags = 0; - p = mmap64 (NULL, RESERVE_MMAP_SIZE, PROT_NONE, MAP_ANON, -1, 0); - if (p != MAP_FAILED) - { - xflags = MAP_FIXED; - reserved = RESERVE_MMAP_SIZE; - } + if (total < RESERVE_MMAP_SIZE + && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_ANON, -1, 0)) + != MAP_FAILED)) + xflags = MAP_FIXED; else { p = NULL; @@ -580,14 +578,13 @@ open_archive (struct locarhandle *ah, bool readonly) /* To prepare for enlargements of the mmaped area reserve some address space. */ - size_t reserved; + size_t reserved = RESERVE_MMAP_SIZE; int xflags = 0; - void *p = mmap64 (NULL, RESERVE_MMAP_SIZE, PROT_NONE, MAP_ANON, -1, 0); - if (p != MAP_FAILED) - { - xflags = MAP_FIXED; - reserved = RESERVE_MMAP_SIZE; - } + void *p; + if (st.st_size < RESERVE_MMAP_SIZE + && ((p = mmap64 (NULL, RESERVE_MMAP_SIZE, PROT_NONE, MAP_ANON, -1, 0)) + != MAP_FAILED)) + xflags = MAP_FIXED; else { p = NULL; @@ -612,7 +609,7 @@ close_archive (struct locarhandle *ah) { if (ah->fd != -1) { - munmap (ah->addr, ah->mmaped); + munmap (ah->addr, MAX (ah->reserved, ah->mmaped)); close (ah->fd); } } |