# What is error code of adl\_fsWrite()?

**URL:** <https://forum.sierrawireless.com/t/what-is-error-code-of-adl-fswrite/6731>\
**Category:** Legacy AirPrime modules\
**Created:** [September 12, 2013, 10:02am UTC](https://forum.sierrawireless.com/t/what-is-error-code-of-adl-fswrite/6731 "2013-09-12T10:02:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![TakafusaMiura](https://avatars.discourse-cdn.com/v4/letter/t/90ced4/32.png) [@TakafusaMiura](https://forum.sierrawireless.com/u/TakafusaMiura)\
**Post date:** [September 12, 2013, 10:02am UTC](https://forum.sierrawireless.com/t/what-is-error-code-of-adl-fswrite/6731/1 "2013-09-12T10:02:21Z")

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What is error code of adl\_fsWrite()?

I want to know the returned error code when adl\_fsWrite() failed.  
Is a value 0 when it fails?

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**Author:** ![ado1](https://avatars.discourse-cdn.com/v4/letter/a/4af34b/32.png) [@ado1](https://forum.sierrawireless.com/u/ado1)\
**Post date:** [September 12, 2013, 11:00am UTC](https://forum.sierrawireless.com/t/what-is-error-code-of-adl-fswrite/6731/2 "2013-09-12T11:00:03Z")

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Hi,

adl\_fsWrite() returns the number of written bytes. 0 means no bytes has been written.  
Usually, we use it like that:

if (adl\_fsWrite(string,1,3,file)!=3)  
{  
/\* write 3bytes \*/  
printf (“not all items written”);  
}

Thanks.

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<div class="post-metadata">

**Author:** ![TakafusaMiura](https://avatars.discourse-cdn.com/v4/letter/t/90ced4/32.png) [@TakafusaMiura](https://forum.sierrawireless.com/u/TakafusaMiura)\
**Post date:** [September 12, 2013, 11:09am UTC](https://forum.sierrawireless.com/t/what-is-error-code-of-adl-fswrite/6731/3 "2013-09-12T11:09:11Z")

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Thaks you for answer.