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authorUlrich Drepper <drepper@redhat.com>2005-09-28 06:09:24 +0000
committerUlrich Drepper <drepper@redhat.com>2005-09-28 06:09:24 +0000
commit1873e3cd1a7f5173d20d9060f3be825f31a53a39 (patch)
treed741711c2683919648a9fab68ded25c3a2ba4fc2 /stdlib
parenteb793d1e84fe39243b246e24e0a835ccc6a4b1bb (diff)
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[BZ #1230]
2005-09-27 Ulrich Drepper <drepper@redhat.com> [BZ #1230] * stdlib/strtod_l.c (STRNCASECMP): Always use C locale object. (TOLOWER_C): Define. Use it when recognizing inf and nan. * stdlib/Makefile (tests): Add bug-strtod2. * stdlib/bug-strtod2.c: New file.
Diffstat (limited to 'stdlib')
-rw-r--r--stdlib/Depend1
-rw-r--r--stdlib/Makefile2
-rw-r--r--stdlib/bug-strtod2.c46
-rw-r--r--stdlib/strtod_l.c14
4 files changed, 57 insertions, 6 deletions
diff --git a/stdlib/Depend b/stdlib/Depend
new file mode 100644
index 0000000000..f3e1156a4e
--- /dev/null
+++ b/stdlib/Depend
@@ -0,0 +1 @@
+localedata
diff --git a/stdlib/Makefile b/stdlib/Makefile
index 509a7b2228..9a9ff8bd45 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -63,7 +63,7 @@ tests := tst-strtol tst-strtod testmb testrand testsort testdiv \
test-canon test-canon2 tst-strtoll tst-environ \
tst-xpg-basename tst-random tst-random2 tst-bsearch \
tst-limits tst-rand48 bug-strtod tst-setcontext \
- test-a64l tst-qsort tst-system testmb2
+ test-a64l tst-qsort tst-system testmb2 bug-strtod2
include ../Makeconfig
diff --git a/stdlib/bug-strtod2.c b/stdlib/bug-strtod2.c
new file mode 100644
index 0000000000..a1f037cdc8
--- /dev/null
+++ b/stdlib/bug-strtod2.c
@@ -0,0 +1,46 @@
+#include <locale.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static const char *tests[] =
+ {
+ "inf", "Inf", "iNf", "inF", "INf", "iNF", "INF", "InF",
+ "infinity", "Infinity", "InfInity", "INFINITY"
+ };
+#define ntests (sizeof (tests) / sizeof (tests[0]))
+
+static int
+do_test (void)
+{
+ /* The Turkish locale is notorious because tolower() maps 'I' to the
+ dotless lowercase 'i' and toupper() maps 'i' to an 'I' with a dot
+ above. */
+ if (setlocale (LC_ALL, "tr_TR.UTF-8") == NULL)
+ {
+ puts ("cannot set locale");
+ return 0;
+ }
+
+ int res = 0;
+ for (int i = 0; i < ntests; ++i)
+ {
+ char *endp;
+ double d = strtod (tests[i], &endp);
+ if (*endp != '\0')
+ {
+ printf ("did not consume all of '%s'\n", tests[i]);
+ res = 1;
+ }
+ if (!isinf (d))
+ {
+ printf ("'%s' does not pass isinf\n", tests[i]);
+ res = 1;
+ }
+ }
+
+ return res;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c
index a656789f4c..3a1c1ebd4b 100644
--- a/stdlib/strtod_l.c
+++ b/stdlib/strtod_l.c
@@ -1,5 +1,5 @@
/* Convert string representing a number to float value, using given locale.
- Copyright (C) 1997,98,2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1997,98,2002,2004,2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -100,7 +100,9 @@ extern unsigned long long int ____strtoull_l_internal (const char *, char **,
# define ISDIGIT(Ch) __iswdigit_l ((Ch), loc)
# define ISXDIGIT(Ch) __iswxdigit_l ((Ch), loc)
# define TOLOWER(Ch) __towlower_l ((Ch), loc)
-# define STRNCASECMP(S1, S2, N) __wcsncasecmp_l ((S1), (S2), (N), loc)
+# define TOLOWER_C(Ch) __towlower_l ((Ch), &_nl_C_locobj)
+# define STRNCASECMP(S1, S2, N) \
+ __wcsncasecmp_l ((S1), (S2), (N), &_nl_C_locobj)
# define STRTOULL(S, E, B) ____wcstoull_l_internal ((S), (E), (B), 0, loc)
#else
# define STRING_TYPE char
@@ -110,7 +112,9 @@ extern unsigned long long int ____strtoull_l_internal (const char *, char **,
# define ISDIGIT(Ch) __isdigit_l ((Ch), loc)
# define ISXDIGIT(Ch) __isxdigit_l ((Ch), loc)
# define TOLOWER(Ch) __tolower_l ((Ch), loc)
-# define STRNCASECMP(S1, S2, N) __strncasecmp_l ((S1), (S2), (N), loc)
+# define TOLOWER_C(Ch) __tolower_l ((Ch), &_nl_C_locobj)
+# define STRNCASECMP(S1, S2, N) \
+ __strncasecmp_l ((S1), (S2), (N), &_nl_C_locobj)
# define STRTOULL(S, E, B) ____strtoull_l_internal ((S), (E), (B), 0, loc)
#endif
@@ -554,7 +558,7 @@ INTERNAL (__STRTOF) (nptr, endptr, group, loc)
else if (c < L_('0') || c > L_('9'))
{
/* Check for `INF' or `INFINITY'. */
- if (TOLOWER (c) == L_('i') && STRNCASECMP (cp, L_("inf"), 3) == 0)
+ if (TOLOWER_C (c) == L_('i') && STRNCASECMP (cp, L_("inf"), 3) == 0)
{
/* Return +/- infinity. */
if (endptr != NULL)
@@ -565,7 +569,7 @@ INTERNAL (__STRTOF) (nptr, endptr, group, loc)
return negative ? -FLOAT_HUGE_VAL : FLOAT_HUGE_VAL;
}
- if (TOLOWER (c) == L_('n') && STRNCASECMP (cp, L_("nan"), 3) == 0)
+ if (TOLOWER_C (c) == L_('n') && STRNCASECMP (cp, L_("nan"), 3) == 0)
{
/* Return NaN. */
FLOAT retval = NAN;