diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/Makefile | 4 | ||||
| -rw-r--r-- | stdio-common/tst-sscanf.c | 121 | ||||
| -rw-r--r-- | stdio-common/vfscanf.c | 269 |
3 files changed, 310 insertions, 84 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile index 62289fef91..cde24ee94a 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -54,7 +54,7 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \ bug1 bug2 bug3 bug4 bug5 bug6 bug7 bug8 bug9 bug10 bug11 bug12 bug13 \ tfformat tiformat tllformat tstdiomisc tst-printfsz tst-wc-printf \ scanf1 scanf2 scanf3 scanf4 scanf5 scanf7 scanf8 scanf9 scanf10 \ - scanf12 tst-tmpnam tst-cookie tst-obprintf + scanf12 tst-tmpnam tst-cookie tst-obprintf tst-sscanf test-srcs = tst-unbputc tst-printf @@ -78,6 +78,8 @@ CFLAGS-scanf4.c = -Wno-format CFLAGS-scanf7.c = -Wno-format CFLAGS-tst-printfsz.c = -Wno-format +tst-sscanf-ENV = LOCPATH=$(common-objpfx)localedata + $(inst_includedir)/bits/stdio_lim.h: $(common-objpfx)bits/stdio_lim.h $(do-install) diff --git a/stdio-common/tst-sscanf.c b/stdio-common/tst-sscanf.c new file mode 100644 index 0000000000..c0d3c36f4b --- /dev/null +++ b/stdio-common/tst-sscanf.c @@ -0,0 +1,121 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2000. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <stdlib.h> +#include <stdio.h> +#include <locale.h> + +const char *str_double[] = +{ + "-.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01", + "0.10000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01", + "-1234567E0198765432E0912345678901987654321091234567890198765432109", + "-0.1000E+020.20000E+020.25000E+010.40000E+010.50000E+010.12500E+01" +}; + +const double val_double[] = +{ + -.10000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01, + 0.10000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01, + -1234567E01, 98765432E09, 12345678901, 98765432109, 12345678901, 98765432109, + -0.1000E+02, 0.20000E+02, 0.25000E+01, 0.40000E+01, 0.50000E+01, 0.12500E+01 +}; + +const char *str_long[] = +{ + "-12345678987654321123456789987654321123456789987654321", + "-12345678987654321123456789987654321123456789987654321", + "-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321", + "-12,345,678987,654,321123,456,789987,654,321123,456,789987,654,321" +}; + +const char *fmt_long[] = +{ + "%9ld%9ld%9ld%9ld%9ld%9ld", + "%I9ld%I9ld%I9ld%I9ld%I9ld%I9ld", + "%'11ld%'11ld%'11ld%'11ld%'11ld%'11ld", + "%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld%I'11ld" +}; + +const long int val_long[] = +{ + -12345678, 987654321, 123456789, 987654321, 123456789, 987654321 +}; + +int +main (void) +{ + double d[6]; + long l[6]; + int i, j; + int tst_locale; + int result = 0; + + tst_locale = 1; + if (tst_locale) + if (setlocale (LC_ALL, "en_US.ISO-8859-1") == NULL) + { + puts ("Failed to set en_US locale, skipping locale related tests"); + tst_locale = 0; + } + + for (i = 0; i < 4; ++i) + { + if (sscanf (str_double[i], "%11lf%11lf%11lf%11lf%11lf%11lf", + &d[0], &d[1], &d[2], &d[3], &d[4], &d[5]) != 6) + { + printf ("Double sscanf test %d wrong number of " + "assigned inputs\n", i); + result = 1; + } + else + for (j = 0; j < 6; ++j) + if (d[j] != val_double[6 * i + j]) + { + printf ("Double sscanf test %d failed (%g instead of %g)\n", + i, d[j], val_double[6 * i + j]); + result = 1; + break; + } + } + + for (i = 0; i < 4; ++i) + { + if (sscanf (str_long[i], fmt_long[i], + &l[0], &l[1], &l[2], &l[3], &l[4], &l[5]) != 6) + { + printf ("Integer sscanf test %d wrong number of " + "assigned inputs\n", i); + result = 1; + } + else + for (j = 0; j < 6; ++j) + if (l[j] != val_long[j]) + { + printf ("Integer sscanf test %d failed (%ld instead %ld)\n", + i, l[j], val_long[j]); + result = 1; + break; + } + + if (! tst_locale) + break; + } + exit (result); +} diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c index 9457c4c17e..d618851a89 100644 --- a/stdio-common/vfscanf.c +++ b/stdio-common/vfscanf.c @@ -1213,6 +1213,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr) { int from_level; int to_level; + int level; #ifdef COMPILE_WSCANF const wchar_t *wcdigits[10]; #else @@ -1229,99 +1230,196 @@ __vfscanf (FILE *s, const char *format, va_list argptr) _NL_CTYPE_INDIGITS_MB_LEN) - 1; #endif - /* In this round we get the pointer to the digit strings - and also perform the first round of comparisons. */ - for (n = 0; n < 10; ++n) + /* Read the number into workspace. */ + while (c != EOF && width != 0) { - /* Get the string for the digits with value N. */ + /* In this round we get the pointer to the digit strings + and also perform the first round of comparisons. */ + for (n = 0; n < 10; ++n) + { + /* Get the string for the digits with value N. */ #ifdef COMPILE_WSCANF - wcdigits[n] = (const wchar_t *) - _NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_WC + n); - if (c == *wcdigits[n]) - break; + wcdigits[n] = (const wchar_t *) + _NL_CURRENT (LC_CTYPE, _NL_CTYPE_INDIGITS0_WC + n); + wcdigits[n] += from_level; - /* Advance the pointer to the next string. */ - ++wcdigits[n]; + if (c == *wcdigits[n]) + { + to_level = from_level; + break; + } + + /* Advance the pointer to the next string. */ + ++wcdigits[n]; #else - size_t dlen; - size_t dcnt; + const char *cmpp; + int avail = width > 0 ? width : INT_MAX; - mbdigits[n] = _NL_CURRENT (LC_CTYPE, - _NL_CTYPE_INDIGITS0_MB + n); - dlen = strlen (mbdigits[n]); + mbdigits[n] = _NL_CURRENT (LC_CTYPE, + _NL_CTYPE_INDIGITS0_MB + n); - dcnt = 0; - do - { - if (c != mbdigits[n][dcnt]) - break; - c = inchar (); - } - while (--dcnt > 0); + for (level = 0; level < from_level; level++) + mbdigits[n] = strchr (mbdigits[n], '\0') + 1; - if (dcnt == 0) - /* We found it. */ - break; + cmpp = mbdigits[n]; + while (*cmpp == c && avail > 0) + { + if (*++cmpp == '\0') + break; + else + { + if ((c = inchar ()) == EOF) + break; + --avail; + } + } + + if (*cmpp == '\0') + { + if (width > 0) + width = avail; + to_level = from_level; + break; + } - /* Advance the pointer to the next string. */ - mbdigits[n] += dlen + 1; + /* We are pushing all read characters back. */ + if (cmpp > mbdigits[n]) + { + ungetc (c, s); + while (--cmpp > mbdigits[n]) + ungetc (*cmpp, s); + c = *cmpp; + } + + /* Advance the pointer to the next string. */ + mbdigits[n] = strchr (mbdigits[n], '\0') + 1; #endif - } + } - if (n == 10) - { - /* Have not yet found the digit. */ - while (++from_level <= to_level) + if (n == 10) { - /* Search all ten digits of this level. */ - for (n = 0; n < 10; ++n) + /* Have not yet found the digit. */ + for (level = from_level + 1; level <= to_level; ++level) { + /* Search all ten digits of this level. */ + for (n = 0; n < 10; ++n) + { #ifdef COMPILE_WSCANF - if (c == *wcdigits[n]) - break; + if (c == *wcdigits[n]) + break; - /* Advance the pointer to the next string. */ - ++wcdigits[n]; + /* Advance the pointer to the next string. */ + ++wcdigits[n]; #else - size_t dlen = strlen (mbdigits[n]); - size_t dcnt; + const char *cmpp; + int avail = width > 0 ? width : INT_MAX; + + cmpp = mbdigits[n]; + while (*cmpp == c && avail > 0) + { + if (*++cmpp == '\0') + break; + else + { + if ((c = inchar ()) == EOF) + break; + --avail; + } + } - dcnt = 0; - do + if (*cmpp == '\0') + { + if (width > 0) + width = avail; + break; + } + + /* We are pushing all read characters back. */ + if (cmpp > mbdigits[n]) + { + ungetc (c, s); + while (--cmpp > mbdigits[n]) + ungetc (*cmpp, s); + c = *cmpp; + } + + /* Advance the pointer to the next string. */ + mbdigits[n] = strchr (mbdigits[n], '\0') + 1; +#endif + } + + if (n < 10) { - if (c != mbdigits[n][dcnt]) - break; - c = inchar (); + /* Found it. */ + from_level = level; + to_level = level; + break; } - while (--dcnt > 0); + } + } - if (dcnt == 0) - /* We found it. */ + if (n < 10) + c = L_('0') + n; + else if ((flags & GROUP) +#ifdef COMPILE_WSCANF + && thousands != L'\0' +#else + && thousands != NULL +#endif + ) + { + /* Try matching against the thousands separator. */ +#ifdef COMPILE_WSCANF + if (c != thousands) + break; +#else + const char *cmpp = thousands; + int avail = width > 0 ? width : INT_MAX; + + while (*cmpp == c && avail > 0) + { + ADDW (c); + if (*++cmpp == '\0') break; + else + { + if ((c = inchar ()) == EOF) + break; + --avail; + } + } - /* Advance the pointer to the next string. */ - mbdigits[n] += dlen + 1; -#endif + if (*cmpp != '\0') + { + /* We are pushing all read characters back. */ + if (cmpp > thousands) + { + wpsize -= cmpp - thousands; + ungetc (c, s); + while (--cmpp > thousands) + ungetc (*cmpp, s); + c = *cmpp; + } + break; } - if (n < 10) - /* Found it. */ - break; + if (width > 0) + width = avail; - /* Next level. */ - ++from_level; + /* The last thousands character will be added back by + the ADDW below. */ + --wpsize; +#endif } - } + else + break; - if (n == 10) - { - /* Haven't found anything. Push the last character back - and return an error. */ - ungetc (c, s); - input_error (); - } + ADDW (c); + if (width > 0) + --width; - ADDW (L_('0') + n); + c = inchar (); + } } else /* Read the number into workspace. */ @@ -1351,20 +1449,24 @@ __vfscanf (FILE *s, const char *format, va_list argptr) int avail = width > 0 ? width : INT_MAX; while (*cmpp == c && avail > 0) - if (*++cmpp == '\0') - break; - else - { - if (inchar () == EOF) - break; - --avail; - } + { + ADDW (c); + if (*++cmpp == '\0') + break; + else + { + if ((c = inchar ()) == EOF) + break; + --avail; + } + } if (*cmpp != '\0') { - /* We are pushing all read character back. */ + /* We are pushing all read characters back. */ if (cmpp > thousands) { + wpsize -= cmpp - thousands; ungetc (c, s); while (--cmpp > thousands) ungetc (*cmpp, s); @@ -1372,9 +1474,13 @@ __vfscanf (FILE *s, const char *format, va_list argptr) } break; } + if (width > 0) - /* +1 because we substract below. */ - width = avail + 1; + width = avail; + + /* The last thousands character will be added back by + the ADDW below. */ + --wpsize; #endif } else @@ -1527,8 +1633,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr) conv_error (); } if (width > 0) - /* +1 because we substract below. */ - width = avail + 1; + width = avail; #endif } if (width > 0) @@ -1689,8 +1794,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr) for (cmpp = decimal; *cmpp != '\0'; ++cmpp) ADDW (*cmpp); if (width > 0) - /* +1 because we substract below. */ - width = avail + 1; + width = avail; got_dot = 1; } else @@ -1727,8 +1831,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr) for (cmpp = thousands; *cmpp != '\0'; ++cmpp) ADDW (*cmpp); if (width > 0) - /* +1 because we substract below. */ - width = avail + 1; + width = avail; } else { |