Copyright (c) 2010 Joseph Koshy
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Id: dwarf_formflag.3 3962 2022-03-12 15:56:10Z jkoshy
.Dd June 21, 2010 .Dt DWARF_FORMFLAG 3 .Os .Sh NAME .Nm dwarf_formflag .Nd return the value of a BOOLEAN class attribute .Sh LIBRARY .Lb libdwarf .Sh SYNOPSIS n libdwarf.h .Ft int .Fo dwarf_formflag .Fa "Dwarf_Attribute attr" .Fa "Dwarf_Bool *ret" .Fa "Dwarf_Error *err" .Fc .Sh DESCRIPTION Function .Fn dwarf_formflag sets the location pointed to by argument .Fa ret to 1 if the attribute referenced by argument .Fa attr has a non-zero value, or 0 otherwise. The form of argument .Fa attr must be one of .Dv DW_FORM_flag or .Dv DW_FORM_flag_present .
p If argument .Fa err is not .Dv NULL , it will be used to return an error descriptor in case of an error. .Sh RETURN VALUES Function .Fn dwarf_formflag returns .Dv DW_DLV_OK on success. In case of an error, it returns .Dv DW_DLV_ERROR and sets argument .Fa err . .Sh ERRORS Function .Fn dwarf_formflag may fail with the following errors: l -tag -width ".Bq Er DW_DLE_ATTR_FORM_BAD" t Bq Er DW_DLE_ARGUMENT Either of arguments .Fa attr or .Fa ret was .Dv NULL . t Bq Er DW_DLE_ATTR_FORM_BAD The attribute referenced by argument .Fa attr was not of a permitted kind. .El .Sh SEE ALSO .Xr dwarf 3 , .Xr dwarf_attr 3 , .Xr dwarf_formblock 3 , .Xr dwarf_formref 3 , .Xr dwarf_formsdata 3 , .Xr dwarf_formsig8 3 , .Xr dwarf_formstring 3 , .Xr dwarf_formudata 3 , .Xr dwarf_hasattr 3
Indexes created Mon Jun 22 00:25:11 UTC 2026