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authorNicholas Noll <nbnoll@eml.cc>2021-11-11 16:31:58 -0800
committerNicholas Noll <nbnoll@eml.cc>2021-11-11 16:31:58 -0800
commit9695ea005d4af93dcd60f74f10fd3c54499a182f (patch)
tree3e1a9abb9456ba07c0c97cd3d691f6a2df115791 /sys/base/mmap.c
parentc65794b50b1bc729e7a4e940b76a973afa3030b9 (diff)
chore: split up base library into individual files for smaller binaries
Diffstat (limited to 'sys/base/mmap.c')
-rw-r--r--sys/base/mmap.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/sys/base/mmap.c b/sys/base/mmap.c
deleted file mode 100644
index 7f3062d..0000000
--- a/sys/base/mmap.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include <u.h>
-#include <base.h>
-
-#include <sys/mman.h>
-
-mmap·Reader
-mmap·open(byte *filename)
-{
- int fd;
- int err;
- void *buf;
- io·Stream *s;
- io·Stat st;
-
- s = io·open(filename, "r");
- fd = io·fd(s);
- err = io·stat(s, &st);
- if(err){
- errorf("file stat: error code %d", err);
- goto ERROR;
- }
-
- buf = mmap(nil, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
- if(!buf){
- errorf("mmap: failed");
- goto ERROR;
- }
- // NOTE: posix systems require that reference kept to mmap file after fd is closed
- io·close(s);
- return (mmap·Reader){.len=st.st_size, .b=buf};
-
-ERROR:
- io·close(s);
- return (mmap·Reader){ 0 };
-}
-
-error
-mmap·close(mmap·Reader rdr)
-{
- munmap(rdr.b, rdr.len);
- return 0;
-}