diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/Makefile | 7 | ||||
| -rw-r--r-- | stdio-common/tst-ungetc-leak.c | 32 |
2 files changed, 39 insertions, 0 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile index e4f0146d2c..a91754f52d 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -254,6 +254,7 @@ tests := \ tst-swscanf \ tst-tmpnam \ tst-ungetc \ + tst-ungetc-leak \ tst-unlockedio \ tst-vfprintf-mbs-prec \ tst-vfprintf-user-type \ @@ -316,6 +317,7 @@ tests-special += \ $(objpfx)tst-printf-bz25691-mem.out \ $(objpfx)tst-printf-fp-free-mem.out \ $(objpfx)tst-printf-fp-leak-mem.out \ + $(objpfx)tst-ungetc-leak-mem.out \ $(objpfx)tst-vfprintf-width-prec-mem.out \ # tests-special @@ -330,6 +332,8 @@ generated += \ tst-printf-fp-leak-mem.out \ tst-printf-fp-leak.mtrace \ tst-scanf-bz27650.mtrace \ + tst-ungetc-leak-mem.out \ + tst-ungetc-leak.mtrace \ tst-vfprintf-width-prec-mem.out \ tst-vfprintf-width-prec.mtrace \ # generated @@ -424,6 +428,9 @@ tst-printf-fp-leak-ENV = \ tst-scanf-bz27650-ENV = \ MALLOC_TRACE=$(objpfx)tst-scanf-bz27650.mtrace \ LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so +tst-ungetc-leak-ENV = \ + MALLOC_TRACE=$(objpfx)tst-ungetc-leak.mtrace \ + LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so $(objpfx)tst-unbputc.out: tst-unbputc.sh $(objpfx)tst-unbputc $(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \ diff --git a/stdio-common/tst-ungetc-leak.c b/stdio-common/tst-ungetc-leak.c new file mode 100644 index 0000000000..6c5152b43f --- /dev/null +++ b/stdio-common/tst-ungetc-leak.c @@ -0,0 +1,32 @@ +/* Test for memory leak with ungetc when stream is unused. + Copyright The GNU Toolchain Authors. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdio.h> +#include <mcheck.h> +#include <support/check.h> +#include <support/support.h> + +static int +do_test (void) +{ + mtrace (); + TEST_COMPARE (ungetc('y', stdin), 'y'); + return 0; +} + +#include <support/test-driver.c> |