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DWARF_FORMSTRING(3) FreeBSD Library Functions Manual DWARF_FORMSTRING(3)
NAME
dwarf_formstring - return the value of a STRING class attribute
LIBRARY
DWARF Access Library (libdwarf, -ldwarf)
SYNOPSIS
#include <libdwarf.h>
int
dwarf_formstring(Dwarf_Attribute attr, char **ret, Dwarf_Error *err);
DESCRIPTION
Function dwarf_formstring() sets the location pointed to by argument ret
to a pointer to a NUL-terminated string containing the value of the
attribute referenced by argument attr. The form of argument attr must be
one of DW_FORM_string or DW_FORM_strp.
If argument err is not NULL, it will be used to return an error
descriptor in case of an error.
Memory Management
The memory area referenced by the returned pointer is managed by the
DWARF(3) library. The application should not attempt to directly free
this memory area.
RETURN VALUES
Function dwarf_formstring() returns DW_DLV_OK on success. In case of an
error, it returns DW_DLV_ERROR and sets argument err.
ERRORS
Function dwarf_formstring() may fail with the following errors:
[DW_DLE_ARGUMENT] Either of arguments attr or ret was NULL.
[DW_DLE_ATTR_FORM_BAD] The attribute referenced by argument attr was
not of a permitted kind.
SEE ALSO
dwarf(3), dwarf_attr(3), dwarf_formblock(3), dwarf_formref(3),
dwarf_formsdata(3), dwarf_formsig8(3), dwarf_formudata(3),
dwarf_hasattr(3)
FreeBSD 14.0-RELEASE-p6 July 24, 2010 FreeBSD 14.0-RELEASE-p6