Merge pull request #437 from edward-san/lemon_free_buf_fix

- Fixed lemon trying to free non-allocated memory.
This commit is contained in:
coelckers 2015-12-07 12:49:55 +01:00
commit fbccc3350c

View file

@ -3061,6 +3061,7 @@ struct lemon *lemp;
FILE *in; FILE *in;
char *tpltname; char *tpltname;
char *cp; char *cp;
Boolean tpltnameinbuf;
cp = strrchr(lemp->filename,'.'); cp = strrchr(lemp->filename,'.');
if( cp ){ if( cp ){
@ -3070,10 +3071,13 @@ struct lemon *lemp;
} }
if( access(buf,004)==0 ){ if( access(buf,004)==0 ){
tpltname = buf; tpltname = buf;
tpltnameinbuf = LEMON_TRUE;
}else if( access(templatename,004)==0 ){ }else if( access(templatename,004)==0 ){
tpltname = templatename; tpltname = templatename;
tpltnameinbuf = LEMON_TRUE;
}else{ }else{
tpltname = pathsearch(lemp->argv0,templatename,0); tpltname = pathsearch(lemp->argv0,templatename,0);
tpltnameinbuf = LEMON_FALSE;
} }
if( tpltname==0 ){ if( tpltname==0 ){
fprintf(stderr,"Can't find the parser driver template file \"%s\".\n", fprintf(stderr,"Can't find the parser driver template file \"%s\".\n",
@ -3084,11 +3088,11 @@ struct lemon *lemp;
in = fopen(tpltname,"rb"); in = fopen(tpltname,"rb");
if( in==0 ){ if( in==0 ){
fprintf(stderr,"Can't open the template file \"%s\".\n",templatename); fprintf(stderr,"Can't open the template file \"%s\".\n",templatename);
free(tpltname); if (tpltnameinbuf == LEMON_FALSE) free(tpltname);
lemp->errorcnt++; lemp->errorcnt++;
return 0; return 0;
} }
free(tpltname); if (tpltnameinbuf == LEMON_FALSE) free(tpltname);
return in; return in;
} }