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authorSebastian Huber <sebastian.huber@embedded-brains.de>2023-04-26 08:23:04 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2023-04-26 08:23:04 +0200
commite301a74a6f111df4553b50b813a589589d1708b1 (patch)
tree4371ca8a7dd510c764c4c30219832b3a6b9980d6 /newlib
parentc3798a2f7ddaedd91d5ea76a8adc5a4ee652cffd (diff)
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Fix _REENT_EMERGENCY() if TLS is enabled
If the thread-local storage (TLS) support was enabled, the _REENT_EMERGENCY() object had the wrong size. It must be a buffer of length _REENT_EMERGENCY_SIZE and not just a single character.
Diffstat (limited to 'newlib')
-rw-r--r--newlib/libc/include/sys/reent.h2
-rw-r--r--newlib/libc/stdio/tmpnam.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libc/include/sys/reent.h b/newlib/libc/include/sys/reent.h
index 6d8b005..c71f75d 100644
--- a/newlib/libc/include/sys/reent.h
+++ b/newlib/libc/include/sys/reent.h
@@ -812,7 +812,7 @@ extern _Thread_local int _tls_cvtlen;
#define _REENT_CVTLEN(_ptr) (_tls_cvtlen)
extern _Thread_local void (*_tls_cleanup)(struct _reent *);
#define _REENT_CLEANUP(_ptr) (_tls_cleanup)
-extern _Thread_local char _tls_emergency;
+extern _Thread_local char _tls_emergency[_REENT_EMERGENCY_SIZE];
#define _REENT_EMERGENCY(_ptr) (_tls_emergency)
extern _Thread_local int _tls_errno;
#define _REENT_ERRNO(_ptr) (_tls_errno)
diff --git a/newlib/libc/stdio/tmpnam.c b/newlib/libc/stdio/tmpnam.c
index 51dfd1c..dc04cf3 100644
--- a/newlib/libc/stdio/tmpnam.c
+++ b/newlib/libc/stdio/tmpnam.c
@@ -84,7 +84,7 @@ The global pointer <<environ>> is also required.
#ifdef _REENT_THREAD_LOCAL
_Thread_local int _tls_inc;
-_Thread_local char _tls_emergency;
+_Thread_local char _tls_emergency[_REENT_EMERGENCY_SIZE];
#endif
/* Try to open the file specified, if it can't be opened then try