[v4l-utils,v1,1/2] v4l2-tracer: wrap open64/mmap64 functions only if linux && __GLIBC__

Commit Message

Peter Seiderer March 31, 2023, 9:35 p.m. UTC

Wrap open64/mmap64 functions only if linux && __GLIBC__, as done
in lib/libv4l1/v4l1comapt.c and lib/libv4l2/v4l2convert.c since
commit 'libv4l: Wrap LFS64 functions only if linux && __GLIBC__'
(403a4e2697a1ff96fe2fa16589039595f21cadf0), should fix musl libc
compile.

Signed-off-by: Peter Seiderer <[e-mail]>
---
 utils/v4l2-tracer/libv4l2tracer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

Patch

diff --git a/utils/v4l2-tracer/libv4l2tracer.cpp b/utils/v4l2-tracer/libv4l2tracer.cpp
index a9f039c7..68f6304a 100644
--- a/utils/v4l2-tracer/libv4l2tracer.cpp
+++ b/utils/v4l2-tracer/libv4l2tracer.cpp
@@ -89,6 +89,7 @@  int open(const char *path, int oflag, ...)
 	return fd;
 }
 
+#if defined(linux) && defined(__GLIBC__)
 int open64(const char *path, int oflag, ...)
 {
 	errno = 0;
@@ -124,6 +125,7 @@  int open64(const char *path, int oflag, ...)
 
 	return fd;
 }
+#endif
 
 int close(int fd)
 {
@@ -177,6 +179,7 @@  void *mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off)
 	return buf_address_pointer;
 }
 
+#if defined(linux) && defined(__GLIBC__)
 void *mmap64(void *addr, size_t len, int prot, int flags, int fildes, off_t off)
 {
 	errno = 0;
@@ -191,6 +194,7 @@  void *mmap64(void *addr, size_t len, int prot, int flags, int fildes, off_t off)
 
 	return buf_address_pointer;
 }
+#endif
 
 int munmap(void *start, size_t length)
 {