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What about localization? Will strtol and stringstream handle localization properly. What if decimal separtor is &quot;,&quot; instead of &quot;.&quot;.
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What about localization? Will strtol and stringstream handle localization properly. What if decimal separtor is "," instead of ".".

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Yup. In both cases the constraint is 'non-numeric character', regardless of the localization.
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Yup. In both cases the constraint is 'non-numeric character', regardless of the localization.

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Do you still have issues with this or have you just not thought of closing the question?
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Do you still have issues with this or have you just not thought of closing the question?

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// What about localization?<br />
You can write a function to replace the special characters(, with .) and then pass through stringstream to get the double/int value if needed as specified above by JKR.
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// What about localization?
You can write a function to replace the special characters(, with .) and then pass through stringstream to get the double/int value if needed as specified above by JKR.

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Um, integers won't have a double-type separator such as a comma or a semicolon in the 1st place ;o)
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Um, integers won't have a double-type separator such as a comma or a semicolon in the 1st place ;o)

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Is there any C++ function which will convert wide char string to int. If wide char string is double &quot;100.01&quot; then function should return error. I can use isDigit and add own logic to validate this but wanted to check whether there is any in build function for the same. I am using VC++ on windows.
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Is there any C++ function which will convert wide char string to int. If wide char string is double "100.01" then function should return error. I can use isDigit and add own logic to validate this but wanted to check whether there is any in build function for the same. I am using VC++ on windows.

Convert string to integer

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