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6e3b71aec3
Wed Nov 26 16:45:16 2003 Roozbeh Pournader <roozbeh@sharif.edu>
* glib/gstrfuncs.c: Fixed a bad pointer comparison in
g_ascii_strtod that came up in fa_IR locale (#126640, Behdad
Esfahbod).
* tests/strtod-test.c: Fixed the tests to catch the above.
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
#undef G_DISABLE_ASSERT
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#undef G_LOG_DOMAIN
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#include <glib.h>
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#include <locale.h>
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#include <string.h>
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#include <math.h>
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void
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test_string (char *number, double res)
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{
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gdouble d;
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char *locales[] = {"sv_SE", "en_US", "fa_IR", "C"};
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int l;
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char *end;
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char *dummy;
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/* we try a copy of number, with some free space for malloc before that.
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* This is supposed to smash the some wrong pointer calculations. */
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dummy = g_malloc (100000);
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number = g_strdup (number);
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g_free (dummy);
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for (l = 0; l < G_N_ELEMENTS (locales); l++)
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{
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setlocale (LC_NUMERIC, locales[l]);
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d = g_ascii_strtod (number, &end);
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if (d != res)
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g_print ("g_ascii_strtod for locale %s failed\n", locales[l]);
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if (end - number != strlen(number))
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g_print ("g_ascii_strtod for locale %s endptr was wrong\n", locales[l]);
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}
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g_free (number);
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}
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int
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main ()
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{
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gdouble d;
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char buffer[G_ASCII_DTOSTR_BUF_SIZE];
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test_string ("123.123", 123.123);
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test_string ("123.123e2", 123.123e2);
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test_string ("123.123e-2", 123.123e-2);
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test_string ("-123.123", -123.123);
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test_string ("-123.123e2", -123.123e2);
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test_string ("-123.123e-2", -123.123e-2);
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d = 179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0;
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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d = -179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0;
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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d = pow (2.0, -1024.1);
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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d = -pow (2.0, -1024.1);
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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return 0;
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}
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