const char *prg_cache_getsig(int algo, unsigned long inode)
{
unsigned hi = PRG_HASHIT(inode);
struct prg_node *pn;
size_t size;
unsigned char pnsig[4 * NUSSL_HASH_MAX_SIZE];
int ret;
#define SHA512_PREFIX "{SHA512}"
for (pn = prg_hash[hi]; pn; pn = pn->next) {
if (pn->inode == inode) {
if (pn->sig[0] == 0) {
char * hexnum;
ret = nussl_hash_file(algo, pn->name,
pnsig, &size);
if (ret == 0) {
hexnum = pn->sig + strlen(SHA512_PREFIX);
memcpy(pn->sig, SHA512_PREFIX, strlen(SHA512_PREFIX));
bin2hex(size, pnsig, hexnum);
} else {
pn->sig[0] = '\0';
}
}
return (pn->sig);
}
}
return "-";
}
static const char *prg_cache_get(int inode)
{
unsigned hi=PRG_HASHIT(inode);
struct prg_node *pn;
for (pn=prg_hash[hi];pn;pn=pn->next)
if (pn->inode==inode) return(pn->name);
return("-");
}
static void prg_cache_add(int inode, char *name)
{
unsigned hi = PRG_HASHIT(inode);
struct prg_node **pnp,*pn;
prg_cache_loaded=2;
for (pnp=prg_hash+hi;(pn=*pnp);pnp=&pn->next) {
if (pn->inode==inode) {
/* Some warning should be appropriate here
as we got multiple processes for one i-node */
return;
}
}
if (!(*pnp=malloc(sizeof(**pnp))))
return;
pn=*pnp;
pn->next=NULL;
pn->inode=inode;
if (strlen(name)>sizeof(pn->name)-1)
name[sizeof(pn->name)-1]='\0';
strcpy(pn->name,name);
}
static void prg_cache_add(unsigned long inode, char *name)
{
unsigned hi = PRG_HASHIT(inode);
struct prg_node **pnp, *pn;
prg_cache_loaded = 2;
for (pnp = prg_hash + hi; (pn = *pnp); pnp = &pn->next) {
if (pn->inode == inode) {
/* Some warning should be appropriate here
as we got multiple processes for one i-node */
return;
}
}
*pnp = malloc(sizeof(**pnp));
if (*pnp == NULL)
return;
pn = *pnp;
pn->next = NULL;
pn->inode = inode;
SECURE_STRNCPY(pn->name, name, sizeof(pn->name));
pn->sig[0] = 0;
}
