SAP SAPTUNE_A_TO_I Function Module for String Conversion like C atoi() Function

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SAPTUNE_A_TO_I is a standard saptune a to i SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for String Conversion like C atoi() Function processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for saptune a to i FM, simply by entering the name SAPTUNE_A_TO_I into the relevant SAP transaction such as SE37 or SE38.

Function Group: STUB
Program Name: SAPLSTUB
Main Program: SAPLSTUB
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function SAPTUNE_A_TO_I pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'SAPTUNE_A_TO_I'"String Conversion like C atoi() Function
  EXPORTING
   STRING =  "String to be converted to a number

 IMPORTING
   INTEGER =  "Conversion result (if no overrun)
   LONG =  "Conversion result (even if there is an overrun)
   OVERFLOW =  "Overrun occurred ('X') or not (' ')

.

IMPORTING Parameters details for SAPTUNE_A_TO_I

STRING - String to be converted to a number

Data type: PROFPARAM-VALUE
Optional: No
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for SAPTUNE_A_TO_I

INTEGER - Conversion result (if no overrun)

Data type: PROFPARAM-INT_VALUE
Optional: No
Call by Reference: No ( called with pass by value option)

LONG - Conversion result (even if there is an overrun)

Data type: PROFPARAM-LONG_VALUE
Optional: No
Call by Reference: No ( called with pass by value option)

OVERFLOW - Overrun occurred ('X') or not (' ')

Data type: C
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for SAPTUNE_A_TO_I Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM SAPTUNE_A_TO_I

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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