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-rw-r--r--contrib/gperf/src/output.cc9
1 files changed, 5 insertions, 4 deletions
diff --git a/contrib/gperf/src/output.cc b/contrib/gperf/src/output.cc
index 2732057..c5569eb 100644
--- a/contrib/gperf/src/output.cc
+++ b/contrib/gperf/src/output.cc
@@ -1106,9 +1106,7 @@ output_keyword_entry (KeywordExt *temp, int stringpool_index, const char *indent
if (option[TYPE])
printf ("{");
if (option[SHAREDLIB])
- printf ("(int)(long)&((struct %s_t *)0)->%s_str%d",
- option.get_stringpool_name (), option.get_stringpool_name (),
- stringpool_index);
+ printf("offsetof(struct %s_t, %s_str%d)", option.get_stringpool_name (), option.get_stringpool_name (), stringpool_index);
else
output_string (temp->_allchars, temp->_allchars_length);
if (option[TYPE])
@@ -2035,8 +2033,11 @@ Output::output ()
printf ("%s\n", _struct_decl);
}
- if (option[INCLUDE])
+ if (option[INCLUDE]) {
printf ("#include <string.h>\n"); /* Declare strlen(), strcmp(), strncmp(). */
+ if (option[SHAREDLIB])
+ printf("#include <stddef.h>\n"); /* Declare offsetof() */
+ }
if (!option[ENUM])
{
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