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Fix a few anal leaks (#5076)

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Mostly sdb_get() calls turned into sdb_const_get(), but there are
others.
This commit is contained in:
dx 2016-06-03 10:33:09 -03:00 committed by radare
parent 8a96ec635d
commit 58c5a333c0
3 changed files with 12 additions and 7 deletions
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3
libr/anal/fcn.c
View File

@ -281,6 +281,7 @@ void extract_arg (RAnal *anal, RAnalFunction *fcn, RAnalOp *op, const char *reg,
if(!sig) return;
op_esil = r_strbuf_get (&op->esil);
if (!op_esil) {
free (sig);
return;
}
esil_buf = strdup (op_esil);
@ -317,6 +318,8 @@ void extract_arg (RAnal *anal, RAnalFunction *fcn, RAnalOp *op, const char *reg,
r_anal_var_access (anal, fcn->addr, 'v', 1, ptr, 1, op->addr);
}
free (varname);
free (sig);
free (esil_buf);
}

2
libr/anal/op.c
View File

@ -68,7 +68,7 @@ R_API void r_anal_op_free(void *_op) {
static RAnalVar *get_used_var(RAnal *anal, RAnalOp *op) {
char *inst_key = sdb_fmt (0, "inst.0x%"PFMT64x".vars", op->addr);
char *var_def = sdb_get (anal->sdb_fcns, inst_key, 0);
const char *var_def = sdb_const_get (anal->sdb_fcns, inst_key, 0);
struct VarUsedType vut;
RAnalVar *res;

14
libr/anal/var.c
View File

@ -173,7 +173,7 @@ R_API bool r_anal_var_delete_byname (RAnal *a, RAnalFunction *fcn, int kind, con
if (varlist && *varlist) {
do {
char *word = sdb_anext (ptr, &next);
char *vardef = sdb_get (DB, sdb_fmt (1,
const char *vardef = sdb_const_get (DB, sdb_fmt (1,
"var.0x%"PFMT64x".%c.%s",
fcn->addr, kind, word), 0);
int delta = strlen (word) < 3 ? -1 : atoi (word + 2);
@ -213,7 +213,7 @@ R_API RAnalVar *r_anal_var_get (RAnal *a, ut64 addr, char kind, int scope, int d
kind = 'v';
delta = -delta;
}
char *vardef = sdb_get (DB,
const char *vardef = sdb_const_get (DB,
sdb_fmt (0, "var.0x%"PFMT64x".%c.%d.%d",
fcn->addr, kind, scope, delta), 0);
if (!vardef) {
@ -222,7 +222,10 @@ R_API RAnalVar *r_anal_var_get (RAnal *a, ut64 addr, char kind, int scope, int d
sdb_fmt_tobin (vardef, SDB_VARTYPE_FMT, &vt);
av = R_NEW0 (RAnalVar);
if (!av) return NULL;
if (!av) {
sdb_fmt_free (&vt, SDB_VARTYPE_FMT);
return NULL;
}
av->addr = addr;
av->scope = scope;
av->delta = delta;
@ -355,7 +358,7 @@ R_API int r_anal_var_count(RAnal *a, RAnalFunction *fcn, int kind) {
if (varlist && *varlist) {
do {
char *word = sdb_anext (ptr, &next);
char *vardef = sdb_get (DB, sdb_fmt (1,
const char *vardef = sdb_const_get (DB, sdb_fmt (1,
"var.0x%"PFMT64x".%c.%s",
fcn->addr, kind, word), 0);
if (vardef) {
@ -387,7 +390,7 @@ R_API RList *r_anal_var_list(RAnal *a, RAnalFunction *fcn, int kind) {
do {
struct VarType vt;
char *word = sdb_anext (ptr, &next);
char *vardef = sdb_get (DB, sdb_fmt (1,
const char *vardef = sdb_const_get (DB, sdb_fmt (1,
"var.0x%"PFMT64x".%c.%s",
fcn->addr, kind, word), 0);
int delta = atoi (word+2);
@ -408,7 +411,6 @@ R_API RList *r_anal_var_list(RAnal *a, RAnalFunction *fcn, int kind) {
av->type = strdup (vt.type);
r_list_append (list, av);
sdb_fmt_free (&vt, SDB_VARTYPE_FMT);
free (vardef);
} else {
// eprintf ("Cannot find var definition for '%s'\n", word);
}