From patchwork Wed Oct 16 15:45:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Maciej W. 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Rozycki" To: libc-alpha@sourceware.org cc: "Maciej W. Rozycki" Subject: [PATCH v3 06/12] stdio-common: Add tests for formatted snprintf output specifiers In-Reply-To: Message-ID: References: User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 X-Spam-Status: No, score=-1162.5 required=5.0 tests=BAYES_00, KAM_ASCII_DIVIDERS, KAM_DMARC_STATUS, KAM_INFOUSMEBIZ, KAM_LAZY_DOMAIN_SECURITY, KAM_SHORT, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: "Maciej W. Rozycki" Errors-To: libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org From: Maciej W. Rozycki Wire snprintf into test infrastructure for formatted printf output specifiers. --- New change in v2. --- stdio-common/Makefile | 2 stdio-common/tst-printf-format-sn-c.c | 20 +++++++++ stdio-common/tst-printf-format-sn-char.c | 20 +++++++++ stdio-common/tst-printf-format-sn-double.c | 20 +++++++++ stdio-common/tst-printf-format-sn-int.c | 20 +++++++++ stdio-common/tst-printf-format-sn-ldouble.c | 20 +++++++++ stdio-common/tst-printf-format-sn-llong.c | 20 +++++++++ stdio-common/tst-printf-format-sn-long.c | 20 +++++++++ stdio-common/tst-printf-format-sn-s.c | 20 +++++++++ stdio-common/tst-printf-format-sn-short.c | 20 +++++++++ stdio-common/tst-printf-format-sn-uchar.c | 20 +++++++++ stdio-common/tst-printf-format-sn-uint.c | 20 +++++++++ stdio-common/tst-printf-format-sn-ullong.c | 20 +++++++++ stdio-common/tst-printf-format-sn-ulong.c | 20 +++++++++ stdio-common/tst-printf-format-sn-ushort.c | 20 +++++++++ stdio-common/tst-printf-format-sn.h | 60 ++++++++++++++++++++++++++++ 16 files changed, 341 insertions(+), 1 deletion(-) glibc-tst-printf-format-all-snprintf.diff Index: glibc/stdio-common/Makefile =================================================================== --- glibc.orig/stdio-common/Makefile +++ glibc/stdio-common/Makefile @@ -23,7 +23,7 @@ subdir := stdio-common include ../Makeconfig # List of markers for printf family function tests. -xprintf-funcs := p as d f s +xprintf-funcs := p as d f s sn # List of data types and formats for individual per-conversion printf tests. fmt-convs := double ldouble Index: glibc/stdio-common/tst-printf-format-sn-c.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-c.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for the 'c' conversion. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-c.c" Index: glibc/stdio-common/tst-printf-format-sn-char.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-char.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for signed char conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-char.c" Index: glibc/stdio-common/tst-printf-format-sn-double.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-double.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for double conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-double.c" Index: glibc/stdio-common/tst-printf-format-sn-int.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-int.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-int.c" Index: glibc/stdio-common/tst-printf-format-sn-ldouble.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-ldouble.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for long double conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-ldouble.c" Index: glibc/stdio-common/tst-printf-format-sn-llong.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-llong.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for long long int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-llong.c" Index: glibc/stdio-common/tst-printf-format-sn-long.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-long.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for long int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-long.c" Index: glibc/stdio-common/tst-printf-format-sn-s.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-s.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for the 's' conversion. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-s.c" Index: glibc/stdio-common/tst-printf-format-sn-short.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-short.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for short int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-short.c" Index: glibc/stdio-common/tst-printf-format-sn-uchar.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-uchar.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for unsigned char conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-uchar.c" Index: glibc/stdio-common/tst-printf-format-sn-uint.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-uint.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for unsigned int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-uint.c" Index: glibc/stdio-common/tst-printf-format-sn-ullong.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-ullong.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for unsigned long long int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-ullong.c" Index: glibc/stdio-common/tst-printf-format-sn-ulong.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-ulong.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for unsigned long int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-ulong.c" Index: glibc/stdio-common/tst-printf-format-sn-ushort.c =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn-ushort.c @@ -0,0 +1,20 @@ +/* Test for formatted 'snprintf' output for unsigned short int conversions. + Copyright (C) 2024 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 + . */ + +#include "tst-printf-format-sn.h" +#include "tst-printf-format-skeleton-ushort.c" Index: glibc/stdio-common/tst-printf-format-sn.h =================================================================== --- /dev/null +++ glibc/stdio-common/tst-printf-format-sn.h @@ -0,0 +1,60 @@ +/* Test feature wrapper for formatted 'snprintf' output. + Copyright (C) 2024 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 + . */ + +#include +#include + +#include + +#define SPRINTF_BUFFER_SIZE 65536 + +static struct support_next_to_fault ntf; + +#define PREPARE printf_under_test_init +static void +printf_under_test_init (int argc, char **argv) +{ + ntf = support_next_to_fault_allocate (SPRINTF_BUFFER_SIZE); +} + +static void __attribute__ ((destructor)) +printf_under_test_fini (void) +{ + support_next_to_fault_free (&ntf); +} + +#define printf_under_test(...) \ +({ \ + __label__ out; \ + char *str = ntf.buffer; \ + int result; \ + \ + result = snprintf (str, ntf.length, __VA_ARGS__); \ + if (result < 0) \ + { \ + perror ("snprintf"); \ + goto out; \ + } \ + if (fwrite (str, sizeof (*str), result, stdout) != result) \ + { \ + perror ("fwrite"); \ + result = -1; \ + } \ +out: \ + result; \ +})