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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2020-12-14 18:25:28 +0100
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2020-12-14 18:25:28 +0100
commitfd3c512f88d43e6633bd3c3110cfa0bb321adaa8 (patch)
tree97211484388a0db0a85957f2e3f3724cb1c9159f /archival/rpm.c
parentdb793480cb8ec3e5f878d1ec18b6ed5010c85e85 (diff)
downloadbusybox-fd3c512f88d43e6633bd3c3110cfa0bb321adaa8.tar.gz
busybox-fd3c512f88d43e6633bd3c3110cfa0bb321adaa8.tar.bz2
libbb: create and use mmap() helpers
function old new delta mmap_anon - 22 +22 mmap_read - 21 +21 xmmap_anon - 16 +16 rpm_gettags 465 447 -18 bb_full_fd_action 498 480 -18 uevent_main 337 310 -27 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 0/3 up/down: 59/-63) Total: -4 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/rpm.c')
-rw-r--r--archival/rpm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/archival/rpm.c b/archival/rpm.c
index 68afba914..a4d850b46 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -145,7 +145,7 @@ static int rpm_gettags(const char *filename)
/* remember size for munmap */
G.mapsize = storepos;
/* some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */
- G.map = mmap(0, storepos, PROT_READ, MAP_PRIVATE, fd, 0);
+ G.map = mmap_read(fd, storepos);
if (G.map == MAP_FAILED)
bb_perror_msg_and_die("mmap '%s'", filename);