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curl: make str2udouble not return values on error

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... previously it would store a return value even when it returned
error, which could make the value get used anyway!

Reported-by: Brian Carpenter
Closes #1893
This commit is contained in:
Daniel Stenberg 2017-09-15 16:38:48 +02:00
parent 6d436642dd
commit 697271fc98
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 5 additions and 3 deletions
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8
src/tool_paramhlp.c
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@ -242,14 +242,16 @@ static ParameterError str2double(double *val, const char *str, long max)
* data.
*/
ParameterError str2udouble(double *val, const char *str, long max)
ParameterError str2udouble(double *valp, const char *str, long max)
{
ParameterError result = str2double(val, str, max);
double value;
ParameterError result = str2double(&value, str, max);
if(result != PARAM_OK)
return result;
if(*val < 0)
if(value < 0)
return PARAM_NEGATIVE_NUMERIC;
*valp = value;
return PARAM_OK;
}