ANSIise to fix warnings.

This commit is contained in:
David Given 2016-09-18 00:23:42 +02:00
parent 24380e2a93
commit f992eb28ac
2 changed files with 67 additions and 61 deletions

View file

@ -1,15 +1,15 @@
/* SYMBOL TABLE HANDLING */
#include <alloc.h>
#include <alloc.h>
#define IDF_HASHSIZE 307 /* size of hashtable, must be odd */
#define IDF_HASHSIZE 307 /* size of hashtable, must be odd */
#define IDF_STARTHASH(hs) (hs = 0)
#define IDF_ENHASH(hs,ch) (hs = (hs << 2) + ch)
#define IDF_STOPHASH(hs) (hs = hs % IDF_HASHSIZE)
#define IDF_STARTHASH(hs) (hs = 0)
#define IDF_ENHASH(hs, ch) (hs = (hs << 2) + ch)
#define IDF_STOPHASH(hs) (hs = hs % IDF_HASHSIZE)
static struct idf *IDF_hashtable[IDF_HASHSIZE];
/* All identifiers can in principle be reached through
static struct idf* IDF_hashtable[IDF_HASHSIZE];
/* All identifiers can in principle be reached through
IDF_hashtable; IDF_hashtable[hc] is the start of a chain of
idf's whose tags all hash to hc.
Any identifier is entered into this
@ -17,69 +17,71 @@ static struct idf *IDF_hashtable[IDF_HASHSIZE];
(variable, selector, structure tag, etc.).
*/
_PROTOTYPE(static struct idf *IDF_new, (char *, int, int));
static struct idf* IDF_new(char* tg, int size, int cpy);
void
init_idf()
void init_idf()
{
}
static struct idf *
IDF_new(tg, size, cpy)
register char *tg;
register int size;
static struct idf* IDF_new(char* tg, int size, int cpy)
{
static int nidf;
static struct idf *pidf;
static struct idf* pidf;
static struct idf null_idf;
register struct idf *id;
register struct idf* id;
#define NIDS 50
#define IBUFSIZ 2048
#define IBUFSIZ 2048
static unsigned int icnt;
static char *ip;
register char *p;
static char* ip;
register char* p;
if (! nidf--) {
if (!nidf--)
{
nidf += NIDS;
pidf = (struct idf *) Malloc(NIDS * sizeof (struct idf));
pidf = (struct idf*)Malloc(NIDS * sizeof(struct idf));
}
id = pidf;
pidf++;
*id = null_idf;
if (cpy) {
if (size > icnt) {
icnt = size > IBUFSIZ ? size : IBUFSIZ;
if (cpy)
{
if (size > icnt)
{
icnt = size > IBUFSIZ ? size : IBUFSIZ;
p = Malloc(icnt);
}
else p = ip;
else
p = ip;
icnt -= size;
id->id_text = p;
while (size--) {
while (size--)
{
*p++ = *tg++;
}
ip = p;
}
else id->id_text = tg;
else
id->id_text = tg;
return id;
}
#ifdef IDF_DEBUG
void
hash_stat()
#ifdef IDF_DEBUG
void hash_stat(void)
{
register int i;
int total_count = 0;
print("Hash table tally:\n");
for (i = 0; i < IDF_HASHSIZE; i++) {
register struct idf *notch = IDF_hashtable[i];
for (i = 0; i < IDF_HASHSIZE; i++)
{
register struct idf* notch = IDF_hashtable[i];
register int cnt = 0;
print ("%d ", i);
while (notch) {
print("%d ", i);
while (notch)
{
cnt++;
print("'%s' ", notch->id_text);
notch = notch->id_next;
@ -91,40 +93,38 @@ hash_stat()
print("End hash table tally\n");
}
void
idfappfun(fun, opt)
int (*fun)();
int opt;
void idfappfun(int (*fun)(), int opt)
{
register int i;
register int i;
for (i = 0; i < IDF_HASHSIZE; i++) {
register struct idf *notch = IDF_hashtable[i];
for (i = 0; i < IDF_HASHSIZE; i++)
{
register struct idf* notch = IDF_hashtable[i];
while (notch) {
while (notch)
{
(*fun)(notch, opt);
notch = notch->id_next;
}
}
}
#endif /* IDF_DEBUG */
#endif /* IDF_DEBUG */
struct idf *
str2idf(tg, cpy)
char tg[];
struct idf* str2idf(char tg[], int cpy)
{
/* str2idf() returns an entry in the symbol table for the
identifier tg. If necessary, an entry is created.
*/
register char *cp = tg;
struct idf **hook;
register struct idf *notch;
register char* cp = tg;
struct idf** hook;
register struct idf* notch;
register unsigned int hash;
register int c;
int size;
IDF_STARTHASH(hash);
while (c = *cp++) {
while (c = *cp++)
{
IDF_ENHASH(hash, c);
}
IDF_STOPHASH(hash);
@ -137,25 +137,31 @@ str2idf(tg, cpy)
*/
hook = &IDF_hashtable[hash];
while ((notch = *hook)) {
register char *s1 = tg;
while ((notch = *hook))
{
register char* s1 = tg;
cp = notch->id_text;
while (!(c = (*s1 - *cp++))) {
if (*s1++ == '\0') {
while (!(c = (*s1 - *cp++)))
{
if (*s1++ == '\0')
{
break;
}
}
if (c == 0) return notch;
if (c < 0) break;
if (c == 0)
return notch;
if (c < 0)
break;
hook = &notch->id_next;
}
/* a new struct idf must be inserted at the hook */
if (cpy < 0) return 0;
if (cpy < 0)
return 0;
notch = IDF_new(tg, size, cpy);
notch->id_next = *hook;
*hook = notch; /* hooked in */
*hook = notch; /* hooked in */
return notch;
}

View file

@ -27,7 +27,7 @@ struct idf {
Initializes the namelist.
*/
_PROTOTYPE(void init_idf, (void));
extern void init_idf(void);
/* struct idf * str2idf(tg, cp)
char *tg;
@ -40,6 +40,6 @@ _PROTOTYPE(void init_idf, (void));
If cp < 0, the string is not entered, but only looked for.
*/
_PROTOTYPE(struct idf *str2idf, (char *, int));
struct idf *str2idf(char* tg, int cp);
#define findidf(tg) str2idf(tg, -1)