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authorLaurent Bercot <ska-skaware@skarnet.org>2021-06-30 11:25:07 +0000
committerLaurent Bercot <ska@appnovation.com>2021-06-30 11:25:07 +0000
commit6c7a5b92bdfe68e847d371cc41f6655df3ef1ba5 (patch)
tree94515f79ddde39bfcb5514a263a320bf374fa6d2 /src/libstddjb/cdb_init.c
parente0bc74ff013a3628b17911be624d17067259c07b (diff)
downloadskalibs-6c7a5b92bdfe68e847d371cc41f6655df3ef1ba5.tar.xz
bugfix: offset in cdb mmap
An offset of -1 worked because most OSes treat it as 0, but DS9k would fail on it. Signed-off-by: Laurent Bercot <ska@appnovation.com>
Diffstat (limited to 'src/libstddjb/cdb_init.c')
-rw-r--r--src/libstddjb/cdb_init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstddjb/cdb_init.c b/src/libstddjb/cdb_init.c
index 2a1ffb3..8b56c1a 100644
--- a/src/libstddjb/cdb_init.c
+++ b/src/libstddjb/cdb_init.c
@@ -15,7 +15,7 @@ int cdb_init (struct cdb *c, int fd)
char *map ;
if (fstat(fd, &st) < 0) return -1 ;
if (st.st_size > UINT32_MAX) return (errno = EOVERFLOW, -1) ;
- map = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, -1) ;
+ map = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0) ;
if (map == MAP_FAILED) return -1 ;
c->map = map ;
c->size = st.st_size ;