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- Plug some lemon leaks during xlat generation.

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Found with Address Sanitizer.
This commit is contained in:
Edoardo Prezioso 2015-04-30 12:44:19 +02:00
parent 50a3f8a3d2
commit 24a096fb27
1 changed files with 7 additions and 1 deletions
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8
tools/lemon/lemon.c
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@ -437,7 +437,8 @@ struct acttab {
#define acttab_yylookahead(X,N) ((X)->aAction[N].lookahead) #define acttab_yylookahead(X,N) ((X)->aAction[N].lookahead)
/* Free all memory associated with the given acttab */ /* Free all memory associated with the given acttab */
void acttab_free(acttab *p){ void acttab_free(acttab **pp){
acttab *p = *pp;
free( p->aAction ); free( p->aAction );
free( p->aLookahead ); free( p->aLookahead );
free( p ); free( p );
@ -2506,12 +2507,14 @@ struct lemon *gp;
ErrorMsg(ps.filename,0,"Can't allocate %d of memory to hold this file.", ErrorMsg(ps.filename,0,"Can't allocate %d of memory to hold this file.",
filesize+1); filesize+1);
gp->errorcnt++; gp->errorcnt++;
fclose(fp);
return; return;
} }
if( fread(filebuf,1,filesize,fp)!=filesize ){ if( fread(filebuf,1,filesize,fp)!=filesize ){
ErrorMsg(ps.filename,0,"Can't read in all %d bytes of this file.", ErrorMsg(ps.filename,0,"Can't read in all %d bytes of this file.",
filesize); filesize);
free(filebuf); free(filebuf);
fclose(fp);
gp->errorcnt++; gp->errorcnt++;
return; return;
} }
@ -3081,9 +3084,11 @@ 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);
lemp->errorcnt++; lemp->errorcnt++;
return 0; return 0;
} }
free(tpltname);
return in; return in;
} }
@ -3942,6 +3947,7 @@ int mhflag; /* Output in makeheaders format if true */
/* Append any addition code the user desires */ /* Append any addition code the user desires */
tplt_print(out,lemp,lemp->extracode,lemp->extracodeln,&lineno); tplt_print(out,lemp,lemp->extracode,lemp->extracodeln,&lineno);
acttab_free(&pActtab);
fclose(in); fclose(in);
fclose(out); fclose(out);
return; return;