diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/Makefile | 26 | ||||
| -rw-r--r-- | stdio-common/Versions | 4 | ||||
| -rw-r--r-- | stdio-common/isoc99_fscanf.c | 40 | ||||
| -rw-r--r-- | stdio-common/isoc99_scanf.c | 42 | ||||
| -rw-r--r-- | stdio-common/isoc99_sscanf.c | 37 | ||||
| -rw-r--r-- | stdio-common/isoc99_vfscanf.c | 35 | ||||
| -rw-r--r-- | stdio-common/isoc99_vscanf.c | 34 | ||||
| -rw-r--r-- | stdio-common/isoc99_vsscanf.c | 47 | ||||
| -rw-r--r-- | stdio-common/scanf13.c | 187 | ||||
| -rw-r--r-- | stdio-common/scanf14.c | 63 | ||||
| -rw-r--r-- | stdio-common/scanf15.c | 54 | ||||
| -rw-r--r-- | stdio-common/vfscanf.c | 273 |
12 files changed, 784 insertions, 58 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile index 84aebf4..f87ac56 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -34,7 +34,9 @@ routines := \ tmpfile tmpfile64 tmpnam tmpnam_r tempnam tempname \ getline getw putw \ remove rename renameat \ - flockfile ftrylockfile funlockfile + flockfile ftrylockfile funlockfile \ + isoc99_scanf isoc99_vscanf isoc99_fscanf isoc99_vfscanf isoc99_sscanf \ + isoc99_vsscanf install-others = $(inst_includedir)/bits/stdio_lim.h @@ -55,7 +57,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \ tst-perror tst-sprintf tst-rndseek tst-fdopen tst-fphex bug14 bug15 \ tst-popen tst-unlockedio tst-fmemopen2 tst-put-error tst-fgets \ tst-fwrite bug16 bug17 tst-swscanf tst-sprintf2 bug18 bug18a \ - bug19 bug19a tst-popen2 + bug19 bug19a tst-popen2 scanf13 scanf14 scanf15 test-srcs = tst-unbputc tst-printf @@ -91,14 +93,34 @@ CFLAGS-tempname.c = -fexceptions CFLAGS-psignal.c = -fexceptions CFLAGS-vprintf.c = -fexceptions CFLAGS-cuserid.c = -fexceptions + +CFLAGS-vfprintf.c += $(exceptions) +CFLAGS-fprintf.c += $(exceptions) +CFLAGS-printf.c += $(exceptions) +CFLAGS-vfwprintf.c += $(exceptions) +CFLAGS-vfscanf.c += $(exceptions) +CFLAGS-vfwscanf.c += $(exceptions) +CFLAGS-fscanf.c += $(exceptions) +CFLAGS-scanf.c += $(exceptions) +CFLAGS-isoc99_vfscanf.c += $(exceptions) +CFLAGS-isoc99_vscanf.c += $(exceptions) +CFLAGS-isoc99_fscanf.c += $(exceptions) +CFLAGS-isoc99_scanf.c += $(exceptions) CFLAGS-errlist.c = $(fno-unit-at-a-time) CFLAGS-siglist.c = $(fno-unit-at-a-time) +# The following is a hack since we must compile scanf15.c without any +# GNU extension. The latter are needed, though, when internal headers +# are used. So made sure we see the installed headers first. +CFLAGS-scanf15.c = -I../libio -I../stdlib -I../wcsmbs -I../time -I../string \ + -I../wctype + # We know the test has a format string problem. CFLAGS-tst-sprintf.c = -Wno-format tst-sscanf-ENV = LOCPATH=$(common-objpfx)localedata tst-swprintf-ENV = LOCPATH=$(common-objpfx)localedata test-vfprintf-ENV = LOCPATH=$(common-objpfx)localedata +scanf13-ENV = LOCPATH=$(common-objpfx)localedata bug14-ENV = LOCPATH=$(common-objpfx)localedata bug15-ENV = LOCPATH=$(common-objpfx)localedata diff --git a/stdio-common/Versions b/stdio-common/Versions index 2f64429..1501fa2 100644 --- a/stdio-common/Versions +++ b/stdio-common/Versions @@ -49,6 +49,10 @@ libc { GLIBC_2.4 { renameat; } + GLIBC_2.7 { + __isoc99_scanf; __isoc99_vscanf; __isoc99_fscanf; __isoc99_vfscanf; + __isoc99_sscanf; __isoc99_vsscanf; + } GLIBC_PRIVATE { # global variables _itoa_lower_digits; diff --git a/stdio-common/isoc99_fscanf.c b/stdio-common/isoc99_fscanf.c new file mode 100644 index 0000000..5b8c16e --- /dev/null +++ b/stdio-common/isoc99_fscanf.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1991, 1997, 2006, 2007 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <libioP.h> +#include <stdarg.h> +#include <stdio.h> + +/* Read formatted input from STREAM according to the format string FORMAT. */ +/* VARARGS2 */ +int +__isoc99_fscanf (FILE *stream, const char *format, ...) +{ + va_list arg; + int done; + + _IO_acquire_lock_clear_flags2 (stream); + stream->_flags2 |= _IO_FLAGS2_SCANF_STD; + + va_start (arg, format); + done = INTUSE(_IO_vfscanf) (stream, format, arg, NULL); + va_end (arg); + + _IO_release_lock (stream); + return done; +} diff --git a/stdio-common/isoc99_scanf.c b/stdio-common/isoc99_scanf.c new file mode 100644 index 0000000..a90fe70 --- /dev/null +++ b/stdio-common/isoc99_scanf.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2002, 2004, 2006, 2007 + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdarg.h> +#include <stdio.h> +#include <libioP.h> + + +/* Read formatted input from stdin according to the format string FORMAT. */ +/* VARARGS1 */ +int +__isoc99_scanf (const char *format, ...) +{ + va_list arg; + int done; + + _IO_acquire_lock_clear_flags2 (stdin); + stdin->_flags2 |= _IO_FLAGS2_SCANF_STD; + + va_start (arg, format); + done = INTUSE(_IO_vfscanf) (stdin, format, arg, NULL); + va_end (arg); + + _IO_release_lock (stdin); + return done; +} diff --git a/stdio-common/isoc99_sscanf.c b/stdio-common/isoc99_sscanf.c new file mode 100644 index 0000000..9500ccb --- /dev/null +++ b/stdio-common/isoc99_sscanf.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991, 1995, 1996, 1998, 2002, 2003, 2004, 2006, 2007 + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdarg.h> +#include <stdio.h> +#include <libioP.h> + +/* Read formatted input from S, according to the format string FORMAT. */ +/* VARARGS2 */ +int +__isoc99_sscanf (const char *s, const char *format, ...) +{ + va_list arg; + int done; + + va_start (arg, format); + done = __isoc99_vsscanf (s, format, arg); + va_end (arg); + + return done; +} diff --git a/stdio-common/isoc99_vfscanf.c b/stdio-common/isoc99_vfscanf.c new file mode 100644 index 0000000..10b04c3b --- /dev/null +++ b/stdio-common/isoc99_vfscanf.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1991, 1997, 2006, 2007 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <libioP.h> +#include <stdio.h> + +/* Read formatted input from STREAM according to the format string FORMAT. */ +/* VARARGS2 */ +int +__isoc99_vfscanf (FILE *stream, const char *format, _IO_va_list args) +{ + int done; + + _IO_acquire_lock_clear_flags2 (stream); + stream->_flags2 |= _IO_FLAGS2_SCANF_STD; + done = INTUSE(_IO_vfscanf) (stream, format, args, NULL); + _IO_release_lock (stream); + return done; +} +libc_hidden_def (__isoc99_vfscanf) diff --git a/stdio-common/isoc99_vscanf.c b/stdio-common/isoc99_vscanf.c new file mode 100644 index 0000000..f7858f0 --- /dev/null +++ b/stdio-common/isoc99_vscanf.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1991, 1997, 2006, 2007 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <libioP.h> +#include <stdio.h> + +/* Read formatted input from STDIN according to the format string FORMAT. */ +/* VARARGS2 */ +int +__isoc99_vscanf (const char *format, _IO_va_list args) +{ + int done; + + _IO_acquire_lock_clear_flags2 (stdin); + stdin->_flags2 |= _IO_FLAGS2_SCANF_STD; + done = INTUSE(_IO_vfscanf) (stdin, format, args, NULL); + _IO_release_lock (stdin); + return done; +} diff --git a/stdio-common/isoc99_vsscanf.c b/stdio-common/isoc99_vsscanf.c new file mode 100644 index 0000000..f10919c --- /dev/null +++ b/stdio-common/isoc99_vsscanf.c @@ -0,0 +1,47 @@ +/* Copyright (C) 1993, 1997-2003, 2006, 2007 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. + + As a special exception, if you link the code in this file with + files compiled with a GNU compiler to produce an executable, + that does not cause the resulting executable to be covered by + the GNU Lesser General Public License. This exception does not + however invalidate any other reasons why the executable file + might be covered by the GNU Lesser General Public License. + This exception applies to code released by its copyright holders + in files containing the exception. */ + +#include <libioP.h> +#include <stdio.h> +#include "../libio/strfile.h" + +int +__isoc99_vsscanf (const char *string, const char *format, _IO_va_list args) +{ + int ret; + _IO_strfile sf; +#ifdef _IO_MTSAFE_IO + sf._sbf._f._lock = NULL; +#endif + _IO_no_init (&sf._sbf._f, _IO_USER_LOCK, -1, NULL, NULL); + _IO_JUMPS ((struct _IO_FILE_plus *) &sf._sbf) = &_IO_str_jumps; + _IO_str_init_static_internal (&sf, (char*)string, 0, NULL); + sf._sbf._f._flags2 |= _IO_FLAGS2_SCANF_STD; + ret = INTUSE(_IO_vfscanf) ((_IO_FILE *) &sf._sbf, format, args, NULL); + return ret; +} +libc_hidden_def (__isoc99_vsscanf) diff --git a/stdio-common/scanf13.c b/stdio-common/scanf13.c new file mode 100644 index 0000000..e53cde2 --- /dev/null +++ b/stdio-common/scanf13.c @@ -0,0 +1,187 @@ +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <wchar.h> + +int +main (void) +{ + char *sp1, *sp2, *sp3, *sp4; + wchar_t *lsp1, *lsp2, *lsp3, *lsp4; + int result = 0; + char buf[2048+64]; + wchar_t wbuf[2048+64]; + size_t i; + +#define FAIL() \ + do { \ + result = 1; \ + printf ("test at line %d failed\n", __LINE__); \ + } while (0) + + setlocale (LC_ALL, "de_DE.UTF-8"); + if (sscanf ("A \xc3\x84-\t\t\xc3\x84-abcdefbcd\t\xc3\x84-B", + "A%ms%10ms%4m[bcd]%4mcB", &sp1, &sp2, &sp3, &sp4) != 4) + FAIL (); + else + { + if (strcmp (sp1, "\xc3\x84-") != 0) + FAIL (); + free (sp1); + if (strcmp (sp2, "\xc3\x84-abcdefb") != 0) + FAIL (); + free (sp2); + if (strcmp (sp3, "cd") != 0) + FAIL (); + free (sp3); + if (memcmp (sp4, "\t\xc3\x84-", 4) != 0) + FAIL (); + free (sp4); + } + + if (sscanf ("A \xc3\x84-\t\t\xc3\x84-abcdefbcd\t\xc3\x84-BB", + "A%mS%10mls%4ml[bcd]%4mCB", &lsp1, &lsp2, &lsp3, &lsp4) != 4) + FAIL (); + else + { + if (wcscmp (lsp1, L"\xc4-") != 0) + FAIL (); + free (lsp1); + if (wcscmp (lsp2, L"\xc4-abcdefbc") != 0) + FAIL (); + free (lsp2); + if (wcscmp (lsp3, L"d") != 0) + FAIL (); + free (lsp3); + if (memcmp (lsp4, L"\t\xc4-B", 4 * sizeof (wchar_t)) != 0) + FAIL (); + free (lsp4); + } + + memset (buf, '/', sizeof (buf)); + buf[0] = '\t'; + buf[1] = ' '; + buf[2] = 0xc3; + buf[3] = 0x84; + buf[2048] = 0xc3; + buf[2049] = 0x84; + buf[2058] = '\t'; + buf[2059] = 'a'; + if (sscanf (buf, "%ms%mc", &sp1, &sp2) != 2) + FAIL (); + else + { + if (sp1[0] != '\xc3' || sp1[1] != '\x84' + || sp1[2046] != '\xc3' || sp1[2047] != '\x84' + || sp1[2056] != '\0') + FAIL (); + sp1[2046] = '/'; + sp1[2047] = '/'; + for (i = 2; i < 2056; i++) + if (sp1[i] != '/') + FAIL (); + free (sp1); + if (sp2[0] != '\t') + FAIL (); + free (sp2); + } + if (sscanf (buf, "%2048ms%mc", &sp3, &sp4) != 2) + FAIL (); + else + { + if (sp3[0] != '\xc3' || sp3[1] != '\x84' + || sp3[2046] != '\xc3' || sp3[2047] != '\x84' + || sp3[2048] != '\0') + FAIL (); + for (i = 2; i < 2046; i++) + if (sp3[i] != '/') + FAIL (); + free (sp3); + if (sp4[0] != '/') + FAIL (); + free (sp4); + } + if (sscanf (buf, "%4mc%1500m[dr/]%548m[abc/d]%3mc", &sp1, &sp2, &sp3, &sp4) + != 4) + FAIL (); + else + { + if (memcmp (sp1, "\t \xc3\x84", 4) != 0) + FAIL (); + free (sp1); + for (i = 0; i < 1500; i++) + if (sp2[i] != '/') + FAIL (); + if (sp2[1500] != '\0') + FAIL (); + free (sp2); + for (i = 0; i < 544; i++) + if (sp3[i] != '/') + FAIL (); + if (sp3[544] != '\0') + FAIL (); + free (sp3); + if (memcmp (sp4, "\xc3\x84/", 3) != 0) + FAIL (); + free (sp4); + } + if (sscanf (buf, "%mS%mC", &lsp1, &lsp2) != 2) + FAIL (); + else + { + if (lsp1[0] != L'\xc4' || lsp1[2045] != L'\xc4' + || lsp1[2054] != L'\0') + FAIL (); + lsp1[2045] = L'/'; + for (i = 1; i < 2054; i++) + if (lsp1[i] != L'/') + FAIL (); + free (lsp1); + if (lsp2[0] != L'\t') + FAIL (); + free (lsp2); + } + if (sscanf (buf, "%2048mls%mlc", &lsp3, &lsp4) != 2) + FAIL (); + else + { + if (lsp3[0] != L'\xc4' || lsp3[2045] != L'\xc4' + || lsp3[2048] != L'\0') + FAIL (); + lsp3[2045] = L'/'; + for (i = 1; i < 2048; i++) + if (lsp3[i] != L'/') + FAIL (); + free (lsp3); + if (lsp4[0] != L'/') + FAIL (); + free (lsp4); + } + if (sscanf (buf, "%4mC%1500ml[dr/]%548ml[abc/d]%3mlc", + &lsp1, &lsp2, &lsp3, &lsp4) != 4) + FAIL (); + else + { + if (memcmp (lsp1, L"\t \xc4/", 4 * sizeof (wchar_t)) != 0) + FAIL (); + free (lsp1); + for (i = 0; i < 1500; i++) + if (lsp2[i] != L'/') + FAIL (); + if (lsp2[1500] != L'\0') + FAIL (); + free (lsp2); + for (i = 0; i < 543; i++) + if (lsp3[i] != L'/') + FAIL (); + if (lsp3[543] != L'\0') + FAIL (); + free (lsp3); + if (memcmp (lsp4, L"\xc4//", 3 * sizeof (wchar_t)) != 0) + FAIL (); + free (lsp4); + } + + return result; +} diff --git a/stdio-common/scanf14.c b/stdio-common/scanf14.c new file mode 100644 index 0000000..387ceba --- /dev/null +++ b/stdio-common/scanf14.c @@ -0,0 +1,63 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <wchar.h> + +#define FAIL() \ + do { \ + result = 1; \ + printf ("test at line %d failed\n", __LINE__); \ + } while (0) + +int +main (void) +{ + wchar_t *lsp; + char *sp; + float f; + double d; + char c[8]; + int result = 0; + + if (sscanf (" 0.25s x", "%e%3c", &f, c) != 2) + FAIL (); + else if (f != 0.25 || memcmp (c, "s x", 3) != 0) + FAIL (); + if (sscanf (" 1.25s x", "%as%2c", &sp, c) != 2) + FAIL (); + else + { + if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0) + FAIL (); + memset (sp, 'x', sizeof "1.25s"); + free (sp); + } + if (sscanf (" 2.25s x", "%las%2c", &d, c) != 2) + FAIL (); + else if (d != 2.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 3.25S x", "%4aS%3c", &lsp, c) != 2) + FAIL (); + else + { + if (wcscmp (lsp, L"3.25") != 0 || memcmp (c, "S x", 3) != 0) + FAIL (); + memset (lsp, 'x', sizeof L"3.25"); + free (lsp); + } + if (sscanf ("4.25[0-9.] x", "%a[0-9.]%8c", &sp, c) != 2) + FAIL (); + else + { + if (strcmp (sp, "4.25") != 0 || memcmp (c, "[0-9.] x", 8) != 0) + FAIL (); + memset (sp, 'x', sizeof "4.25"); + free (sp); + } + if (sscanf ("5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2) + FAIL (); + else if (d != 5.25 || memcmp (c, " x", 2) != 0) + FAIL (); + + return result; +} diff --git a/stdio-common/scanf15.c b/stdio-common/scanf15.c new file mode 100644 index 0000000..cc8aa2e --- /dev/null +++ b/stdio-common/scanf15.c @@ -0,0 +1,54 @@ +#undef _GNU_SOURCE +#define _XOPEN_SOURCE 600 +/* The following macro definitions are a hack. They word around disabling + the GNU extension while still using a few internal headers. */ +#define u_char unsigned char +#define u_short unsigned short +#define u_int unsigned int +#define u_long unsigned long +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <wchar.h> + +#define FAIL() \ + do { \ + result = 1; \ + printf ("test at line %d failed\n", __LINE__); \ + } while (0) + +int +main (void) +{ + float f; + double d; + char c[8]; + int result = 0; + + if (sscanf (" 0.25s x", "%e%3c", &f, c) != 2) + FAIL (); + else if (f != 0.25 || memcmp (c, "s x", 3) != 0) + FAIL (); + if (sscanf (" 1.25s x", "%as%2c", &f, c) != 2) + FAIL (); + else if (f != 1.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 2.25s x", "%las%2c", &d, c) != 2) + FAIL (); + else if (d != 2.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 3.25S x", "%4aS%2c", &f, c) != 2) + FAIL (); + else if (f != 3.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 4.25[0-9.] x", "%a[0-9.]%2c", &f, c) != 2) + FAIL (); + else if (f != 4.25 || memcmp (c, " x", 2) != 0) + FAIL (); + if (sscanf (" 5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2) + FAIL (); + else if (d != 5.25 || memcmp (c, " x", 2) != 0) + FAIL (); + + return result; +} diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c index ddf9a5e..e4728d0 100644 --- a/stdio-common/vfscanf.c +++ b/stdio-common/vfscanf.c @@ -514,13 +514,25 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, --f; break; } + /* In __isoc99_*scanf %as, %aS and %a[ extension is not + supported at all. */ + if (s->_flags2 & _IO_FLAGS2_SCANF_STD) + { + --f; + break; + } /* String conversions (%s, %[) take a `char **' arg and fill it in with a malloc'd pointer. */ flags |= GNU_MALLOC; break; - case L_('m'): - flags |= POSIX_MALLOC; - break; + case L_('m'): + flags |= POSIX_MALLOC; + if (*f == L_('l')) + { + ++f; + flags |= LONG; + } + break; case L_('z'): if (need_longlong && sizeof (size_t) > sizeof (unsigned long int)) flags |= LONGDBL; @@ -635,20 +647,46 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, case L_('c'): /* Match characters. */ if ((flags & LONG) == 0) { - if (!(flags & SUPPRESS)) - { - str = ARG (char *); - if (str == NULL) - conv_error (); - } + if (width == -1) + width = 1; + +#define STRING_ARG(Str, Type, Width) \ + do if (!(flags & SUPPRESS)) \ + { \ + if (flags & MALLOC) \ + { \ + /* The string is to be stored in a malloc'd buffer. */ \ + /* For %mS using char ** is actually wrong, but \ + shouldn't make a difference on any arch glibc \ + supports and would unnecessarily complicate \ + things. */ \ + strptr = ARG (char **); \ + if (strptr == NULL) \ + conv_error (); \ + /* Allocate an initial buffer. */ \ + strsize = Width; \ + *strptr = (char *) malloc (strsize * sizeof (Type)); \ + Str = (Type *) *strptr; \ + if (Str != NULL) \ + add_ptr_to_free (strptr); \ + else if (flags & POSIX_MALLOC) \ + goto reteof; \ + } \ + else \ + Str = ARG (Type *); \ + if (Str == NULL) \ + conv_error (); \ + } while (0) +#ifdef COMPILE_WSCANF + STRING_ARG (str, char, 100); +#else + STRING_ARG (str, char, (width > 1024 ? 1024 : width)); +#endif c = inchar (); if (__builtin_expect (c == EOF, 0)) input_error (); - if (width == -1) - width = 1; - #ifdef COMPILE_WSCANF /* We have to convert the wide character(s) into multibyte characters and store the result. */ @@ -658,6 +696,38 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, { size_t n; + if (!(flags & SUPPRESS) && (flags & POSIX_MALLOC) + && str + MB_CUR_MAX >= *strptr + strsize) + { + /* We have to enlarge the buffer if the `m' flag + was given. */ + size_t strleng = str - *strptr; + char *newstr; + + newstr = (char *) realloc (*strptr, strsize * 2); + if (newstr == NULL) + { + /* Can't allocate that much. Last-ditch effort. */ + newstr = (char *) realloc (*strptr, + strleng + MB_CUR_MAX); + if (newstr == NULL) + /* c can't have `a' flag, only `m'. */ + goto reteof; + else + { + *strptr = newstr; + str = newstr + strleng; + strsize = strleng + MB_CUR_MAX; + } + } + else + { + *strptr = newstr; + str = newstr + strleng; + strsize *= 2; + } + } + n = __wcrtomb (!(flags & SUPPRESS) ? str : NULL, c, &state); if (__builtin_expect (n == (size_t) -1, 0)) /* No valid wide character. */ @@ -672,7 +742,40 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, if (!(flags & SUPPRESS)) { do - *str++ = c; + { + if ((flags & MALLOC) + && (char *) str == *strptr + strsize) + { + /* Enlarge the buffer. */ + size_t newsize + = strsize + + (strsize >= width ? width - 1 : strsize); + + str = (char *) realloc (*strptr, newsize); + if (str == NULL) + { + /* Can't allocate that much. Last-ditch + effort. */ + str = (char *) realloc (*strptr, strsize + 1); + if (str == NULL) + /* c can't have `a' flag, only `m'. */ + goto reteof; + else + { + *strptr = (char *) str; + str += strsize; + ++strsize; + } + } + else + { + *strptr = (char *) str; + str += strsize; + strsize = newsize; + } + } + *str++ = c; + } while (--width > 0 && inchar () != EOF); } else @@ -680,18 +783,25 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, #endif if (!(flags & SUPPRESS)) - ++done; + { + if ((flags & MALLOC) && str - *strptr != strsize) + { + char *cp = (char *) realloc (*strptr, str - *strptr); + if (cp != NULL) + *strptr = cp; + } + strptr = NULL; + ++done; + } break; } /* FALLTHROUGH */ case L_('C'): - if (!(flags & SUPPRESS)) - { - wstr = ARG (wchar_t *); - if (wstr == NULL) - conv_error (); - } + if (width == -1) + width = 1; + + STRING_ARG (wstr, wchar_t, (width > 1024 ? 1024 : width)); c = inchar (); if (__builtin_expect (c == EOF, 0)) @@ -702,7 +812,40 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, if (!(flags & SUPPRESS)) { do - *wstr++ = c; + { + if ((flags & MALLOC) + && wstr == (wchar_t *) *strptr + strsize) + { + size_t newsize + = strsize + (strsize > width ? width - 1 : strsize); + /* Enlarge the buffer. */ + wstr = (wchar_t *) realloc (*strptr, + newsize * sizeof (wchar_t)); + if (wstr == NULL) + { + /* Can't allocate that much. Last-ditch effort. */ + wstr = (wchar_t *) realloc (*strptr, + (strsize + 1) + * sizeof (wchar_t)); + if (wstr == NULL) + /* C or lc can't have `a' flag, only `m' flag. */ + goto reteof; + else + { + *strptr = (char *) wstr; + wstr += strsize; + ++strsize; + } + } + else + { + *strptr = (char *) wstr; + wstr += strsize; + strsize = newsize; + } + } + *wstr++ = c; + } while (--width > 0 && inchar () != EOF); } else @@ -721,6 +864,38 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, /* This is what we present the mbrtowc function first. */ buf[0] = c; + if (!(flags & SUPPRESS) && (flags & MALLOC) + && wstr == (wchar_t *) *strptr + strsize) + { + size_t newsize + = strsize + (strsize > width ? width - 1 : strsize); + /* Enlarge the buffer. */ + wstr = (wchar_t *) realloc (*strptr, + newsize * sizeof (wchar_t)); + if (wstr == NULL) + { + /* Can't allocate that much. Last-ditch effort. */ + wstr = (wchar_t *) realloc (*strptr, + ((strsize + 1) + * sizeof (wchar_t))); + if (wstr == NULL) + /* C or lc can't have `a' flag, only `m' flag. */ + goto reteof; + else + { + *strptr = (char *) wstr; + wstr += strsize; + ++strsize; + } + } + else + { + *strptr = (char *) wstr; + wstr += strsize; + strsize = newsize; + } + } + while (1) { size_t n; @@ -754,41 +929,27 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, #endif if (!(flags & SUPPRESS)) - ++done; + { + if ((flags & MALLOC) && wstr - (wchar_t *) *strptr != strsize) + { + wchar_t *cp = (wchar_t *) realloc (*strptr, + ((wstr + - (wchar_t *) *strptr) + * sizeof (wchar_t))); + if (cp != NULL) + *strptr = (char *) cp; + } + strptr = NULL; + + ++done; + } break; case L_('s'): /* Read a string. */ if (!(flags & LONG)) { -#define STRING_ARG(Str, Type) \ - do if (!(flags & SUPPRESS)) \ - { \ - if (flags & MALLOC) \ - { \ - /* The string is to be stored in a malloc'd buffer. */ \ - /* For %mS using char ** is actually wrong, but \ - shouldn't make a difference on any arch glibc \ - supports and would unnecessarily complicate \ - things. */ \ - strptr = ARG (char **); \ - if (strptr == NULL) \ - conv_error (); \ - /* Allocate an initial buffer. */ \ - strsize = 100; \ - *strptr = (char *) malloc (strsize * sizeof (Type)); \ - Str = (Type *) *strptr; \ - if (Str != NULL) \ - add_ptr_to_free (strptr); \ - else if (flags & POSIX_MALLOC) \ - goto reteof; \ - } \ - else \ - Str = ARG (Type *); \ - if (Str == NULL) \ - conv_error (); \ - } while (0) - STRING_ARG (str, char); + STRING_ARG (str, char, 100); c = inchar (); if (__builtin_expect (c == EOF, 0)) @@ -816,8 +977,8 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, if (!(flags & SUPPRESS) && (flags & MALLOC) && str + MB_CUR_MAX >= *strptr + strsize) { - /* We have to enlarge the buffer if the `a' flag - was given. */ + /* We have to enlarge the buffer if the `a' or `m' + flag was given. */ size_t strleng = str - *strptr; char *newstr; @@ -969,7 +1130,7 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, #endif /* Wide character string. */ - STRING_ARG (wstr, wchar_t); + STRING_ARG (wstr, wchar_t, 100); c = inchar (); if (__builtin_expect (c == EOF, 0)) @@ -1002,7 +1163,7 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, if (wstr == NULL) { /* Can't allocate that much. Last-ditch - effort. */ + effort. */ wstr = (wchar_t *) realloc (*strptr, (strsize + 1) * sizeof (wchar_t)); @@ -2120,9 +2281,9 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr, case L_('['): /* Character class. */ if (flags & LONG) - STRING_ARG (wstr, wchar_t); + STRING_ARG (wstr, wchar_t, 100); else - STRING_ARG (str, char); + STRING_ARG (str, char, 100); if (*f == L_('^')) { |