diff options
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/strtod.c | 9 | ||||
| -rw-r--r-- | stdlib/tst-strtod.c | 4 |
2 files changed, 8 insertions, 5 deletions
diff --git a/stdlib/strtod.c b/stdlib/strtod.c index bcd284c54c..db0938404c 100644 --- a/stdlib/strtod.c +++ b/stdlib/strtod.c @@ -573,15 +573,14 @@ INTERNAL (STRTOF) (nptr, endptr, group LOCALE_PARAM) #endif else if (c < L_('0') || c > L_('9')) { - int matched = 0; /* Check for `INF' or `INFINITY'. */ - if (TOLOWER (c) == L_('i') - && ((STRNCASECMP (cp, L_("inf"), 3) == 0 && (matched = 3)) - || (STRNCASECMP (cp, L_("infinity"), 8) == 0 && (matched = 8)))) + if (TOLOWER (c) == L_('i') && STRNCASECMP (cp, L_("inf"), 3) == 0) { /* Return +/- infinity. */ if (endptr != NULL) - *endptr = (STRING_TYPE *) (cp + matched); + *endptr = (STRING_TYPE *) + (cp + (STRNCASECMP (cp + 3, L_("inity"), 5) == 0 + ? 8 : 3)); return negative ? -FLOAT_HUGE_VAL : FLOAT_HUGE_VAL; } diff --git a/stdlib/tst-strtod.c b/stdlib/tst-strtod.c index c466695d2f..adf6255f66 100644 --- a/stdlib/tst-strtod.c +++ b/stdlib/tst-strtod.c @@ -23,6 +23,7 @@ #include <stdlib.h> #include <errno.h> #include <string.h> +#include <math.h> struct ltest { @@ -64,6 +65,9 @@ static const struct ltest tests[] = { "0x0.8p-1022", 1.11253692925360069154511635866620203210960799023116591527666e-308, '\0', 0 }, + { "Inf", HUGE_VAL, '\0', 0 }, + { "-Inf", -HUGE_VAL, '\0', 0 }, + { "+InFiNiTy", HUGE_VAL, '\0', 0 }, { NULL, 0, '\0', 0 } }; |