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purplerain 2023-08-16 22:26:55 +00:00
commit 2c0afcbbf3
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
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18
multimedia/libv4l/patches/patch-lib_libv4lconvert_libv4lsyscall-priv_h Normal file
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@ -0,0 +1,18 @@
The redirection of mmap through __syscall(2) is broken in multiple ways.
Just call mmap directly.
Index: lib/libv4lconvert/libv4lsyscall-priv.h
--- lib/libv4lconvert/libv4lsyscall-priv.h.orig
+++ lib/libv4lconvert/libv4lsyscall-priv.h
@@ -107,10 +107,7 @@
syscall(SYS_mmap, (void *)(addr), (size_t)(len), \
(int)(prot), (int)(flags), (int)(fd), (off_t)(off))
#elif defined(__OpenBSD__)
-register_t __syscall(quad_t, ...);
-#define SYS_MMAP(addr, len, prot, flags, fd, offset) \
- __syscall((quad_t)SYS_mmap, (void *)(addr), (size_t)(len), \
- (int)(prot), (int)(flags), (int)(fd), 0, (off_t)(offset))
+#define SYS_MMAP mmap
#else
#define SYS_MMAP(addr, len, prot, flags, fd, off) \
syscall(SYS_mmap2, (void *)(addr), (size_t)(len), \