check for availability of symbols instead of glibc defines

in musl they are just redefines of the non-64 versions

1 files changed, 10 insertions, 10 deletions

diff --git a/src/libtrace/libtrace.c b/src/libtrace/libtrace.c
index c0832cbde..aa37bb758 100644
--- a/src/libtrace/libtrace.c
+++ b/src/libtrace/libtrace.c
@@ -44,8 +44,6 @@
 // break recursivity on fopen call
 typedef FILE *(*orig_fopen_t)(const char *pathname, const char *mode);
 static orig_fopen_t orig_fopen = NULL;
-typedef FILE *(*orig_fopen64_t)(const char *pathname, const char *mode);
-static orig_fopen64_t orig_fopen64 = NULL;
 typedef int (*orig_access_t)(const char *pathname, int mode);
 static orig_access_t orig_access = NULL;
 
@@ -341,7 +339,9 @@ FILE *fopen(const char *pathname, const char *mode) {
         return rv;
 }
 
-#ifdef __GLIBC__
+#ifndef fopen64
+typedef FILE *(*orig_fopen64_t)(const char *pathname, const char *mode);
+static orig_fopen64_t orig_fopen64 = NULL;
 FILE *fopen64(const char *pathname, const char *mode) {
         if (!orig_fopen64)
                 orig_fopen64 = (orig_fopen_t)dlsym(RTLD_NEXT, "fopen64");
@@ -350,7 +350,7 @@ FILE *fopen64(const char *pathname, const char *mode) {
         tprintf(ftty, "%u:%s:fopen64 %s:%p\n", mypid, myname, pathname, rv);
         return rv;
 }
-#endif /* __GLIBC__ */
+#endif
 
 
 // freopen
@@ -365,7 +365,7 @@ FILE *freopen(const char *pathname, const char *mode, FILE *stream) {
         return rv;
 }
 
-#ifdef __GLIBC__
+#ifndef freopen64
 typedef FILE *(*orig_freopen64_t)(const char *pathname, const char *mode, FILE *stream);
 static orig_freopen64_t orig_freopen64 = NULL;
 FILE *freopen64(const char *pathname, const char *mode, FILE *stream) {
@@ -376,7 +376,7 @@ FILE *freopen64(const char *pathname, const char *mode, FILE *stream) {
         tprintf(ftty, "%u:%s:freopen64 %s:%p\n", mypid, myname, pathname, rv);
         return rv;
 }
-#endif /* __GLIBC__ */
+#endif
 
 // unlink
 typedef int (*orig_unlink_t)(const char *pathname);
@@ -447,7 +447,7 @@ int stat(const char *pathname, struct stat *statbuf) {
         return rv;
 }
 
-#ifdef __GLIBC__
+#ifndef stat64
 typedef int (*orig_stat64_t)(const char *pathname, struct stat64 *statbuf);
 static orig_stat64_t orig_stat64 = NULL;
 int stat64(const char *pathname, struct stat64 *statbuf) {
@@ -458,7 +458,7 @@ int stat64(const char *pathname, struct stat64 *statbuf) {
         tprintf(ftty, "%u:%s:stat64 %s:%d\n", mypid, myname, pathname, rv);
         return rv;
 }
-#endif /* __GLIBC__ */
+#endif
 
 // lstat
 typedef int (*orig_lstat_t)(const char *pathname, struct stat *statbuf);
@@ -472,7 +472,7 @@ int lstat(const char *pathname, struct stat *statbuf) {
         return rv;
 }
 
-#ifdef __GLIBC__
+#ifndef lstat64
 typedef int (*orig_lstat64_t)(const char *pathname, struct stat64 *statbuf);
 static orig_lstat64_t orig_lstat64 = NULL;
 int lstat64(const char *pathname, struct stat64 *statbuf) {
@@ -483,7 +483,7 @@ int lstat64(const char *pathname, struct stat64 *statbuf) {
         tprintf(ftty, "%u:%s:lstat64 %s:%d\n", mypid, myname, pathname, rv);
         return rv;
 }
-#endif /* __GLIBC__ */
+#endif
 
 // opendir
 typedef DIR *(*orig_opendir_t)(const char *pathname);