We expect our fuzzer to have a stunt malloc. So just provide stubs.
This involves moving our malloc wrapper to nonfuzz.c.
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
void Texit(int rv) NONRETURNING;
void Tcommonshutdown(void);
+void Tmallocshutdown(void);
int Ttestinputfd(void);
#endif
Tfailed("write error on test harness output");
}
-struct malloced {
- struct malloced *next, *back;
- size_t sz;
- unsigned long count;
- struct { double d; long ul; void *p; void (*fp)(void); } data;
-};
-
-static unsigned long malloccount, mallocfailat;
-static struct { struct malloced *head, *tail; } mallocedlist;
-
-#define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head)
-
-void *Hmalloc(size_t sz) {
- struct malloced *newnode;
- const char *mfavar;
- char *ep;
-
- assert(sz);
-
- newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem();
-
- LIST_LINK_TAIL(mallocedlist,newnode);
- newnode->sz= sz;
- newnode->count= ++malloccount;
- if (!mallocfailat) {
- mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
- if (mfavar) {
- mallocfailat= strtoul(mfavar,&ep,10);
- if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
- } else {
- mallocfailat= ~0UL;
- }
- }
- assert(newnode->count != mallocfailat);
- memset(&newnode->data,0xc7,sz);
- return &newnode->data;
-}
-
-void Hfree(void *ptr) {
- struct malloced *oldnode;
-
- if (!ptr) return;
-
- oldnode= (void*)((char*)ptr - MALLOCHSZ);
- LIST_UNLINK(mallocedlist,oldnode);
- memset(&oldnode->data,0x38,oldnode->sz);
- free(oldnode);
-}
-
-void *Hrealloc(void *op, size_t nsz) {
- struct malloced *oldnode;
- void *np;
- size_t osz;
-
- if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
- np= Hmalloc(nsz);
- if (osz) memcpy(np,op, osz>nsz ? nsz : osz);
- Hfree(op);
- return np;
-}
-
-void Tcommonshutdown(void) {
- struct malloced *loopnode;
-
- Tshutdown();
- adns__vbuf_free(&vb);
- adns__vbuf_free(&vbw);
- if (mallocedlist.head) {
- fprintf(stderr,"adns test harness: memory leaked:");
- for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
- fprintf(stderr," %lu",loopnode->count);
- putc('\n',stderr);
- if (ferror(stderr)) exit(-1);
- }
-}
-
void Hexit(int rv) {
vb.used= 0;
Tvbf("exit %d", rv);
return 2264; /* just some number */
}
+void Tcommonshutdown(void) {
+ Tshutdown();
+ adns__vbuf_free(&vb);
+ adns__vbuf_free(&vbw);
+ Tmallocshutdown();
+}
int estatus = Hmain(t_argc, t_argv);
Texit(estatus);
}
+
+void Tmallocshutdown(void) { }
+void *Hmalloc(size_t s) { assert(s); return malloc(s); }
+void *Hrealloc(void *p, size_t s) { assert(s); return realloc(p,s); }
+void Hfree(void *p) { free(p); }
if (!fdstr) return -1;
return atoi(fdstr);
}
+
+struct malloced {
+ struct malloced *next, *back;
+ size_t sz;
+ unsigned long count;
+ struct { double d; long ul; void *p; void (*fp)(void); } data;
+};
+
+static unsigned long malloccount, mallocfailat;
+static struct { struct malloced *head, *tail; } mallocedlist;
+
+#define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head)
+
+void *Hmalloc(size_t sz) {
+ struct malloced *newnode;
+ const char *mfavar;
+ char *ep;
+
+ assert(sz);
+
+ newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem();
+
+ LIST_LINK_TAIL(mallocedlist,newnode);
+ newnode->sz= sz;
+ newnode->count= ++malloccount;
+ if (!mallocfailat) {
+ mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
+ if (mfavar) {
+ mallocfailat= strtoul(mfavar,&ep,10);
+ if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
+ } else {
+ mallocfailat= ~0UL;
+ }
+ }
+ assert(newnode->count != mallocfailat);
+ memset(&newnode->data,0xc7,sz);
+ return &newnode->data;
+}
+
+void Hfree(void *ptr) {
+ struct malloced *oldnode;
+
+ if (!ptr) return;
+
+ oldnode= (void*)((char*)ptr - MALLOCHSZ);
+ LIST_UNLINK(mallocedlist,oldnode);
+ memset(&oldnode->data,0x38,oldnode->sz);
+ free(oldnode);
+}
+
+void *Hrealloc(void *op, size_t nsz) {
+ struct malloced *oldnode;
+ void *np;
+ size_t osz;
+
+ if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
+ np= Hmalloc(nsz);
+ if (osz) memcpy(np,op, osz>nsz ? nsz : osz);
+ Hfree(op);
+ return np;
+}
+
+void Tmallocshutdown(void) {
+ struct malloced *loopnode;
+ if (mallocedlist.head) {
+ fprintf(stderr,"adns test harness: memory leaked:");
+ for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
+ fprintf(stderr," %lu",loopnode->count);
+ putc('\n',stderr);
+ if (ferror(stderr)) exit(-1);
+ }
+}