File chasen-initialize-memory.patch of Package chasen

Author: Bernhard M. Wiedemann <bwiedemann suse de>
Date: 2017-11-08

Problem: when building the ipadic package it differed for every build
because its chadic.dat contains uninitialized memory
from the da_dat_t structure's padding bytes

Solution: initilize memory (including padding added by compilers)
before use

Index: chasen-2.4.4/mkchadic/dumpdic.c
--- chasen-2.4.4.orig/mkchadic/dumpdic.c
+++ chasen-2.4.4/mkchadic/dumpdic.c
@@ -45,6 +45,7 @@ dump_dat(lexicon_t *lex, FILE *datfile,
     long index;
     da_dat_t dat;
+    memset(&dat, 0, sizeof(dat));
     index = ftell(datfile);
     dat.stem_len = lex->stem_len;
     dat.reading_len = lex->reading_len;
@@ -137,6 +138,7 @@ dump_dic(lexicon_t *entries, FILE *outpu
     da_lex_t lex;
     long compound = NO_COMPOUND;
+    memset(&lex, 0, sizeof(lex));
     if (entries[1].pos)
 	compound = dump_compound(entries, lexfile, datfile);
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