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strtod(): Was not returning endptr on error conditions.

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This commit is contained in:
Gregory Nutt 2016-08-11 18:20:25 -06:00
parent 61b0ac06bf
commit 155055d564
1 changed files with 10 additions and 2 deletions
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12
libc/stdlib/lib_strtod.c
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@ -115,6 +115,8 @@ double_t strtod(FAR const char *str, FAR char **endptr)
negative = 1; /* Fall through to increment position */
case '+':
p++;
default:
break;
}
number = 0.;
@ -151,7 +153,8 @@ double_t strtod(FAR const char *str, FAR char **endptr)
if (num_digits == 0)
{
set_errno(ERANGE);
return 0.0;
number = 0.0;
goto errout;
}
/* Correct for sign */
@ -174,6 +177,8 @@ double_t strtod(FAR const char *str, FAR char **endptr)
negative = 1; /* Fall through to increment pos */
case '+':
p++;
default:
break;
}
/* Process string of digits */
@ -199,7 +204,8 @@ double_t strtod(FAR const char *str, FAR char **endptr)
exponent > __DBL_MAX_EXP__)
{
set_errno(ERANGE);
return infinite;
number = infinite;
goto errout;
}
/* Scale the result */
@ -220,6 +226,7 @@ double_t strtod(FAR const char *str, FAR char **endptr)
number *= p10;
}
}
n >>= 1;
p10 *= p10;
}
@ -229,6 +236,7 @@ double_t strtod(FAR const char *str, FAR char **endptr)
set_errno(ERANGE);
}
errout:
if (endptr)
{
*endptr = p;