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# Copyright (C) 1995-2025 Free Software Foundation, Inc.
# 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/>.
#
# Specific makefile for libio.
#
subdir := libio
include ../Makeconfig
headers := stdio.h \
bits/stdio.h bits/stdio2.h bits/stdio2-decl.h bits/stdio-ldbl.h \
bits/types/FILE.h bits/types/__FILE.h bits/types/struct_FILE.h \
bits/types/__fpos_t.h bits/types/__fpos64_t.h \
bits/types/cookie_io_functions_t.h
routines := \
filedoalloc iofclose iofdopen iofflush iofgetpos iofgets iofopen \
iofopncook iofputs iofread iofsetpos ioftell wfiledoalloc \
iofwrite iogetdelim iogetline iogets iopadn iopopen ioputs \
ioseekoff ioseekpos iosetbuffer iosetvbuf ioungetc \
iovsprintf iovsscanf \
iofgetpos64 iofopen64 iofsetpos64 \
fputwc fputwc_u getwc getwc_u getwchar getwchar_u iofgetws iofgetws_u \
iofputws iofputws_u iogetwline iowpadn ioungetwc putwc putwc_u \
putwchar putwchar_u putchar putchar_u fwprintf swprintf vwprintf \
wprintf wscanf fwscanf vwscanf vswprintf iovswscanf swscanf wgenops \
wstrops wfileops iofwide fwide wmemstream \
\
clearerr feof ferror fileno fputc freopen fseek getc getchar \
memstream pclose putc putchar rewind setbuf setlinebuf vasprintf \
iovdprintf vscanf vsnprintf obprintf fcloseall fseeko ftello \
freopen64 fseeko64 ftello64 \
\
__fbufsize __freading __fwriting __freadable __fwritable __flbf \
__fpurge __fpending __fsetlocking \
\
libc_fatal fmemopen oldfmemopen vtables
gen-as-const-headers += libio-macros.sym
# Exclude fortified routines from being built with _FORTIFY_SOURCE
routines_no_fortify += \
fwprintf \
iofgets \
iofgets_u \
iofgetws \
iofgetws_u \
swprintf \
vasprintf \
vsnprintf \
vswprintf \
vwprintf \
wprintf \
# routines_no_fortify
tests = \
bug-fopena+ \
bug-fseek \
bug-ftell \
bug-memstream1 \
bug-mmap-fflush \
bug-rewind \
bug-rewind2 \
bug-ungetc \
bug-ungetc2 \
bug-ungetc3 \
bug-ungetc4 \
bug-ungetwc1 \
bug-ungetwc2 \
bug-wfflush \
bug-wmemstream1 \
bug-wsetpos \
test-fmemopen \
test-fputs-unbuffered-full \
test-fputws-unbuffered-full \
tst-asprintf-null \
tst-atime \
tst-bz22415 \
tst-bz24051 \
tst-bz24153 \
tst-bz28828 \
tst-closeall \
tst-eof \
tst-ext \
tst-ext2 \
tst-fclose-unopened \
tst-fclose-unopened2 \
tst-fdopen-seek-failure \
tst-fflush \
tst-fflush-NULL \
tst-fgetc-after-eof \
tst-fgetwc \
tst-fgetws \
tst-fopenloc2 \
tst-fputws \
tst-freopen \
tst-fseek \
tst-ftell-active-handler \
tst-ftell-append \
tst-ftell-partial-wide \
tst-fwrite-error \
tst-getdelim \
tst-memstream1 \
tst-memstream2 \
tst-memstream3 \
tst-memstream4 \
tst-mmap-eofsync \
tst-mmap-fflushsync \
tst-mmap-offend \
tst-mmap-setvbuf \
tst-mmap2-eofsync \
tst-popen-fork \
tst-popen1 \
tst-setvbuf1 \
tst-sprintf-chk-ub \
tst-sprintf-ub \
tst-sscanf \
tst-swscanf \
tst-ungetwc1 \
tst-ungetwc2 \
tst-wfile-sync \
tst-widetext \
tst-wmemstream1 \
tst-wmemstream2 \
tst-wmemstream3 \
tst-wmemstream4 \
tst-wmemstream5 \
tst_getwc \
tst_putwc \
tst_swprintf \
tst_swscanf \
tst_wprintf \
tst_wprintf2 \
tst_wscanf \
# tests
$(objpfx)tst-popen-fork: $(shared-thread-library)
tests-internal = tst-vtables tst-vtables-interposed
ifeq (yes,$(build-shared))
# Add test-fopenloc only if shared library is enabled since it depends on
# shared localedata objects.
tests += tst-fopenloc
# Add tst-bz24228 only if shared library is enabled since it can never meet its
# objective with static linking because the relevant code just is not there.
tests += tst-bz24228
endif
test-srcs = test-freopen
ifeq ($(build-shared),yes)
routines += oldiofopen oldiofdopen oldiofclose oldiopopen oldpclose \
oldtmpfile oldiofgetpos oldiofgetpos64 oldiofsetpos \
oldiofsetpos64
endif
ifeq (yes,$(libc-reentrant))
routines += clearerr_u feof_u ferror_u fputc_u getc_u getchar_u \
iofflush_u putc_u putchar_u peekc iofread_u iofwrite_u iofgets_u \
iofputs_u
endif
CPPFLAGS += $(libio-mtsafe)
# Support for exception handling.
CFLAGS-fileops.c += -fexceptions
CFLAGS-fputc.c += -fexceptions
CFLAGS-fputwc.c += -fexceptions
CFLAGS-freopen64.c += -fexceptions
CFLAGS-freopen.c += -fexceptions
CFLAGS-fseek.c += -fexceptions
CFLAGS-fseeko64.c += -fexceptions
CFLAGS-fseeko.c += -fexceptions
CFLAGS-ftello64.c += -fexceptions
CFLAGS-ftello.c += -fexceptions
CFLAGS-fwide.c += -fexceptions
CFLAGS-genops.c += -fexceptions
CFLAGS-getc.c += -fexceptions
CFLAGS-getchar.c += -fexceptions
CFLAGS-getwc.c += -fexceptions
CFLAGS-getwchar.c += -fexceptions
CFLAGS-iofclose.c += -fexceptions
CFLAGS-iofflush.c += -fexceptions $(config-cflags-wno-ignored-attributes)
CFLAGS-iofgetpos64.c += -fexceptions
CFLAGS-iofgetpos.c += -fexceptions
CFLAGS-iofgets.c += -fexceptions
CFLAGS-iofgetws.c += -fexceptions
CFLAGS-iofputs.c += -fexceptions $(config-cflags-wno-ignored-attributes)
CFLAGS-iofputws.c += -fexceptions
CFLAGS-iofread.c += -fexceptions
CFLAGS-iofsetpos64.c += -fexceptions
CFLAGS-iofsetpos.c += -fexceptions
CFLAGS-ioftell.c += -fexceptions
CFLAGS-iofwrite.c += -fexceptions $(config-cflags-wno-ignored-attributes)
CFLAGS-iogetdelim.c += -fexceptions
CFLAGS-iogetline.c += -fexceptions
CFLAGS-iogets.c += -fexceptions
CFLAGS-iogetwline.c += -fexceptions
CFLAGS-ioputs.c += -fexceptions
CFLAGS-ioseekoff.c += -fexceptions
CFLAGS-ioseekpos.c += -fexceptions
CFLAGS-iosetbuffer.c += -fexceptions
CFLAGS-iosetvbuf.c += -fexceptions
CFLAGS-ioungetc.c += -fexceptions
CFLAGS-ioungetwc.c += -fexceptions
CFLAGS-oldfileops.c += -fexceptions
CFLAGS-oldiofclose.c += -fexceptions
CFLAGS-oldiofgetpos64.c += -fexceptions
CFLAGS-oldiofgetpos.c += -fexceptions
CFLAGS-oldiofsetpos64.c += -fexceptions
CFLAGS-oldiofsetpos.c += -fexceptions
CFLAGS-peekc.c += -fexceptions
CFLAGS-putc.c += -fexceptions
CFLAGS-putchar.c += -fexceptions
CFLAGS-putwc.c += -fexceptions
CFLAGS-putwchar.c += -fexceptions
CFLAGS-rewind.c += -fexceptions
CFLAGS-wfileops.c += -fexceptions
CFLAGS-wgenops.c += -fexceptions
CFLAGS-oldiofopen.c += -fexceptions
CFLAGS-iofopen.c += -fexceptions
CFLAGS-iofopen64.c += -fexceptions
CFLAGS-oldtmpfile.c += -fexceptions
CFLAGS-fileno.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-feof_u.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-ferror_u.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-getc_u.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-iofflush_u.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-putc_u.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-iofgets_u.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-iofputs_u.c += $(config-cflags-wno-ignored-attributes)
# XXX Do we need filedoalloc and wfiledoalloc? Others?
# Prevent fortification as these are built with -O0
CFLAGS-tst-bz24051.c += $(no-fortify-source)
CFLAGS-tst-bz24153.c += $(no-fortify-source)
CFLAGS-tst_putwc.c += -DOBJPFX=\"$(objpfx)\"
# These test cases intentionally use overlapping arguments
CFLAGS-tst-sprintf-ub.c += $(test-config-cflags-wno-restrict) \
$(no-fortify-source)
CFLAGS-tst-sprintf-chk-ub.c += $(test-config-cflags-wno-restrict) \
$(no-fortify-source)
LDFLAGS-tst-bz24228 = -Wl,--version-script=tst-bz24228.map
tst_wprintf2-ARGS = "Some Text"
tst-fclose-unopened2-ENV = \
MALLOC_TRACE=$(objpfx)tst-fclose-unopened2.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
test-fmemopen-ENV = MALLOC_TRACE=$(objpfx)test-fmemopen.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-fdopen-seek-failure-ENV = \
MALLOC_TRACE=$(objpfx)tst-fdopen-seek-failure.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-fopenloc-ENV = MALLOC_TRACE=$(objpfx)tst-fopenloc.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-bz22415-ENV = MALLOC_TRACE=$(objpfx)tst-bz22415.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
tst-bz24228-ENV = MALLOC_TRACE=$(objpfx)tst-bz24228.mtrace \
LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
aux := fileops genops stdfiles stdio strops
ifeq ($(run-built-tests),yes)
ifeq ($(build-shared),yes)
ifneq ($(PERL),no)
generated += \
test-fmemopen.check \
test-fmemopen.mtrace \
tst-bz22415.check \
tst-bz22415.mtrace \
tst-bz24228.check \
tst-bz24228.mtrace \
tst-fclose-unopened2.check \
tst-fclose-unopened2.mtrace \
tst-fdopen-seek-failure.check \
tst-fdopen-seek-failure.mtrace \
tst-fopenloc.check \
tst-fopenloc.mtrace \
# generated
endif
endif
endif
ifeq ($(build-shared),yes)
aux += oldfileops oldstdfiles
tests += \
tst-fopen-compat \
tst-stderr-compat \
# tests
tests-2.0 += \
tst-fopen-compat \
tst-stderr-compat \
# tests-2.0
tst-fopen-compat-ARGS = tst-fopen-compat.c
# Disable PIE to trigger copy relocation.
CFLAGS-tst-fopen-compat.c += -fno-pie
tst-fopen-compat-no-pie = yes
endif
shared-only-routines = oldiofopen oldiofdopen oldiofclose oldfileops \
oldstdfiles oldiopopen oldpclose oldtmpfile \
oldiofgetpos oldiofgetpos64 oldiofsetpos \
oldiofsetpos64
ifeq ($(run-built-tests),yes)
tests-special += \
$(objpfx)test-freopen.out \
# tests-special
ifeq (yes,$(build-shared))
# Run tst-fopenloc-cmp.out and tst-openloc-mem.out only if shared
# library is enabled since they depend on tst-fopenloc.out.
tests-special += $(objpfx)tst-fopenloc-cmp.out
ifeq ($(build-shared),yes)
ifneq ($(PERL),no)
tests-special += \
$(objpfx)test-fmemopen-mem.out \
$(objpfx)tst-bz22415-mem.out \
$(objpfx)tst-bz24228-mem.out \
$(objpfx)tst-fclose-unopened2-mem.out \
$(objpfx)tst-fdopen-seek-failure-mem.out \
$(objpfx)tst-fopenloc-mem.out \
# tests-special
endif
endif
endif
tests += \
tst-cleanup-default \
tst-cleanup-default-static \
# tests
tests-static += tst-cleanup-default-static
tests-special += $(objpfx)tst-cleanup-default-cmp.out $(objpfx)tst-cleanup-default-static-cmp.out
LDFLAGS-tst-cleanup-default = -Wl,--gc-sections
LDFLAGS-tst-cleanup-default-static = -Wl,--gc-sections
ifeq ($(have-gnu-retain)$(have-z-start-stop-gc),yesyes)
tests += \
tst-cleanup-nostart-stop-gc \
tst-cleanup-nostart-stop-gc-static \
tst-cleanup-start-stop-gc \
tst-cleanup-start-stop-gc-static \
# tests
tests-static += \
tst-cleanup-nostart-stop-gc-static \
tst-cleanup-start-stop-gc-static \
# tests-static
tests-special += $(objpfx)tst-cleanup-start-stop-gc-cmp.out \
$(objpfx)tst-cleanup-start-stop-gc-static-cmp.out \
$(objpfx)tst-cleanup-nostart-stop-gc-cmp.out \
$(objpfx)tst-cleanup-nostart-stop-gc-static-cmp.out
LDFLAGS-tst-cleanup-start-stop-gc := -Wl,--gc-sections,-z,start-stop-gc
LDFLAGS-tst-cleanup-start-stop-gc-static := -Wl,--gc-sections,-z,start-stop-gc
LDFLAGS-tst-cleanup-nostart-stop-gc := -Wl,--gc-sections,-z,nostart-stop-gc
LDFLAGS-tst-cleanup-nostart-stop-gc-static := -Wl,--gc-sections,-z,nostart-stop-gc
endif
endif
include ../Rules
ifeq ($(run-built-tests),yes)
LOCALES := de_DE.ISO-8859-1 de_DE.UTF-8 en_US.ISO-8859-1 en_US.UTF-8 \
ja_JP.EUC-JP ja_JP.UTF-8
include ../gen-locales.mk
$(objpfx)bug-ftell.out: $(gen-locales)
$(objpfx)bug-ungetwc1.out: $(gen-locales)
$(objpfx)bug-ungetwc2.out: $(gen-locales)
$(objpfx)tst-fgetwc.out: $(gen-locales)
$(objpfx)tst-fgetws.out: $(gen-locales)
$(objpfx)tst-fopenloc.out: $(gen-locales)
$(objpfx)tst-fputws.out: $(gen-locales)
$(objpfx)tst-fseek.out: $(gen-locales)
$(objpfx)tst-ftell-active-handler.out: $(gen-locales)
$(objpfx)tst-ftell-append.out: $(gen-locales)
$(objpfx)tst-ftell-partial-wide.out: $(gen-locales)
$(objpfx)tst-setvbuf1.out: $(gen-locales)
$(objpfx)tst-swscanf.out: $(gen-locales)
$(objpfx)tst-ungetwc1.out: $(gen-locales)
$(objpfx)tst-ungetwc2.out: $(gen-locales)
$(objpfx)tst-widetext.out: $(gen-locales)
$(objpfx)tst_wprintf2.out: $(gen-locales)
$(objpfx)tst-wfile-sync.out: $(gen-locales)
endif
define gen-tst-cleanup
$(objpfx)tst-cleanup-$1-cmp.out: tst-cleanup.exp $(objpfx)tst-cleanup-$1.out
cmp $$^ > $$@; $$(evaluate-test)
endef
$(foreach t,default default-static start-stop-gc start-stop-gc-static nostart-stop-gc nostart-stop-gc-static, \
$(eval $(call gen-tst-cleanup,$(t))))
$(objpfx)test-freopen.out: test-freopen.sh $(objpfx)test-freopen
$(SHELL) $< $(common-objpfx) '$(test-program-prefix)' \
$(common-objpfx)libio/; \
$(evaluate-test)
$(objpfx)tst-fopenloc-cmp.out: ../iconvdata/testdata/ISO-8859-1..UTF8 \
$(objpfx)tst-fopenloc.out
cmp $^ > $@; \
$(evaluate-test)
$(objpfx)test-fmemopen-mem.out: $(objpfx)test-fmemopen.out
$(common-objpfx)malloc/mtrace $(objpfx)test-fmemopen.mtrace > $@; \
$(evaluate-test)
$(objpfx)tst-fclose-unopened2-mem.out: $(objpfx)tst-fclose-unopened2.out
$(common-objpfx)malloc/mtrace \
$(objpfx)tst-fclose-unopened2.mtrace > $@; \
$(evaluate-test)
$(objpfx)tst-fdopen-seek-failure-mem.out: $(objpfx)tst-fdopen-seek-failure.out
$(common-objpfx)malloc/mtrace \
$(objpfx)tst-fdopen-seek-failure.mtrace > $@; \
$(evaluate-test)
$(objpfx)tst-fopenloc-mem.out: $(objpfx)tst-fopenloc.out
$(common-objpfx)malloc/mtrace $(objpfx)tst-fopenloc.mtrace > $@; \
$(evaluate-test)
$(objpfx)tst-bz22415-mem.out: $(objpfx)tst-bz22415.out
$(common-objpfx)malloc/mtrace $(objpfx)tst-bz22415.mtrace > $@; \
$(evaluate-test)
$(objpfx)tst-bz24228-mem.out: $(objpfx)tst-bz24228.out
$(common-objpfx)malloc/mtrace $(objpfx)tst-bz24228.mtrace > $@; \
$(evaluate-test)
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