diff mbox series

v4l2-tracer: Allow building on systems using musl

Message ID 4dgJekVdP7lLqOQ6JNW05sRHSkRmLLMMQnEn8NGUHPoHDn4SBkaGlHUW89vkJJu3IeFDAh3p6mlplTJJlWJx8V4rr62-hd83quCJ2sIuqoA=@protonmail.com
State New
Headers show
Series v4l2-tracer: Allow building on systems using musl | expand

Commit Message

Zsolt Vadász May 11, 2025, 12:34 p.m. UTC 
Signed-off-by: Zsolt Vadasz <zsolt_vadasz@protonmail.com>
---
 utils/v4l2-tracer/retrace.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
diff mbox series

Patch

diff --git a/utils/v4l2-tracer/retrace.cpp b/utils/v4l2-tracer/retrace.cpp
index 010936c0..0acce10c 100644
--- a/utils/v4l2-tracer/retrace.cpp
+++ b/utils/v4l2-tracer/retrace.cpp
@@ -10,10 +10,14 @@  extern struct retrace_context ctx_retrace;
 void retrace_mmap(json_object *mmap_obj, bool is_mmap64)
 {
 	json_object *mmap_args_obj;
+#if defined(linux) && defined(__GLIBC__)
 	if (is_mmap64)
 		json_object_object_get_ex(mmap_obj, "mmap64", &mmap_args_obj);
 	else
 		json_object_object_get_ex(mmap_obj, "mmap", &mmap_args_obj);
+#else
+	json_object_object_get_ex(mmap_obj, "mmap", &mmap_args_obj);
+#endif
 
 	json_object *len_obj;
 	json_object_object_get_ex(mmap_args_obj, "len", &len_obj);
@@ -46,16 +50,24 @@  void retrace_mmap(json_object *mmap_obj, bool is_mmap64)
 		return;
 
 	void *buf_address_retrace_pointer = nullptr;
+#if defined(linux) && defined(__GLIBC__)
 	if (is_mmap64)
 		buf_address_retrace_pointer = mmap64(0, len, prot, flags, fd_retrace, off);
 	else
 		buf_address_retrace_pointer = mmap(0, len, prot, flags, fd_retrace, off);
+#else
+	buf_address_retrace_pointer = mmap(0, len, prot, flags, fd_retrace, off);
+#endif
 
 	if (buf_address_retrace_pointer == MAP_FAILED) {
+#if defined(linux) && defined(__GLIBC__)
 		if (is_mmap64)
 			perror("mmap64");
 		else
 			perror("mmap");
+#else
+        perror("mmap");
+#endif
 		debug_line_info();
 		print_context();
 		exit(EXIT_FAILURE);
@@ -116,10 +128,14 @@  void retrace_open(json_object *jobj, bool is_open64)
 	int fd_trace = json_object_get_int(fd_trace_obj);
 
 	json_object *open_args_obj;
+#if defined(linux) && defined(__GLIBC__)
 	if (is_open64)
 		json_object_object_get_ex(jobj, "open64", &open_args_obj);
 	else
 		json_object_object_get_ex(jobj, "open", &open_args_obj);
+#else
+	json_object_object_get_ex(jobj, "open", &open_args_obj);
+#endif
 
 	json_object *path_obj;
 	std::string path_trace;
@@ -148,10 +164,14 @@  void retrace_open(json_object *jobj, bool is_open64)
 		mode = s2number(json_object_get_string(mode_obj));
 
 	int fd_retrace = 0;
+#if defined(linux) && defined(__GLIBC__)
 	if (is_open64)
 		fd_retrace = open64(path_retrace.c_str(), oflag, mode);
 	else
 		fd_retrace = open(path_retrace.c_str(), oflag, mode);
+#else
+	fd_retrace = open(path_retrace.c_str(), oflag, mode);
+#endif
 
 	if (fd_retrace <= 0) {
 		line_info("\n\tCan't open: %s", path_retrace.c_str());
@@ -162,10 +182,14 @@  void retrace_open(json_object *jobj, bool is_open64)
 
 	if (is_verbose() || errno != 0) {
 		fprintf(stderr, "path: %s ", path_retrace.c_str());
+#if defined(linux) && defined(__GLIBC__)
 		if (is_open64)
 			perror("open64");
 		else
 			perror("open");
+#else
+		perror("open");
+#endif
 		debug_line_info();
 		print_context();
 	}