diff options
author | Nicholas Noll <nbnoll@eml.cc> | 2021-11-11 16:31:58 -0800 |
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committer | Nicholas Noll <nbnoll@eml.cc> | 2021-11-11 16:31:58 -0800 |
commit | 9695ea005d4af93dcd60f74f10fd3c54499a182f (patch) | |
tree | 3e1a9abb9456ba07c0c97cd3d691f6a2df115791 /sys/base/mmap.c | |
parent | c65794b50b1bc729e7a4e940b76a973afa3030b9 (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.c | 42 |
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; -} |