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Merge pull request #437 from edward-san/lemon_free_buf_fix

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- Fixed lemon trying to free non-allocated memory.
This commit is contained in:
coelckers 2015-12-07 12:49:55 +01:00
commit fbccc3350c
1 changed files with 6 additions and 2 deletions
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8
tools/lemon/lemon.c
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@ -3061,6 +3061,7 @@ struct lemon *lemp;
FILE *in;
char *tpltname;
char *cp;
Boolean tpltnameinbuf;
cp = strrchr(lemp->filename,'.');
if( cp ){
@ -3070,10 +3071,13 @@ struct lemon *lemp;
}
if( access(buf,004)==0 ){
tpltname = buf;
tpltnameinbuf = LEMON_TRUE;
}else if( access(templatename,004)==0 ){
tpltname = templatename;
tpltnameinbuf = LEMON_TRUE;
}else{
tpltname = pathsearch(lemp->argv0,templatename,0);
tpltnameinbuf = LEMON_FALSE;
}
if( tpltname==0 ){
fprintf(stderr,"Can't find the parser driver template file \"%s\".\n",
@ -3084,11 +3088,11 @@ struct lemon *lemp;
in = fopen(tpltname,"rb");
if( in==0 ){
fprintf(stderr,"Can't open the template file \"%s\".\n",templatename);
free(tpltname);
if (tpltnameinbuf == LEMON_FALSE) free(tpltname);
lemp->errorcnt++;
return 0;
}
free(tpltname);
if (tpltnameinbuf == LEMON_FALSE) free(tpltname);
return in;
}