C++ (Cpp) fgetNUL Examples

Example #1

File: mkstr.c Project: coyizumi/cs111

void
inithash(void)
{
	char buf[512];
	int mesgpt = 0;

	rewind(mesgread);
	while (fgetNUL(buf, sizeof buf, mesgread) != 0) {
		hashit(buf, 0, mesgpt);
		mesgpt += strlen(buf) + 2;
	}
}

Example #2

File: xstr.c Project: JabirTech/Source

static void
inithash(void)
{
	char buf[BUFSIZ];
	FILE *mesgread = fopen(strings, "r");

	if (mesgread == NULL)
		return;
	for (;;) {
		mesgpt = tellpt;
		if (fgetNUL(buf, sizeof buf, mesgread) == 0)
			break;
		ignore(hashit(buf, 0));
	}
	ignore(fclose(mesgread));
}

Example #3

File: mkstr.c Project: coyizumi/cs111

unsigned
hashit(char *str, int really, unsigned fakept)
{
	int i;
	struct hash *hp;
	char buf[512];
	long hashval = 0;
	char *cp;

	if (really)
		fflush(mesgwrite);
	for (cp = str; *cp;)
		hashval = (hashval << 1) + *cp++;
	i = hashval % NBUCKETS;
	if (i < 0)
		i += NBUCKETS;
	if (really != 0)
		for (hp = bucket[i]; hp != 0; hp = hp->hnext)
		if (hp->hval == hashval) {
			fseek(mesgread, (long) hp->hpt, 0);
			fgetNUL(buf, sizeof buf, mesgread);
/*
			fprintf(stderr, "Got (from %d) %s\n", hp->hpt, buf);
*/
			if (strcmp(buf, str) == 0)
				break;
		}
	if (!really || hp == 0) {
		hp = (struct hash *) calloc(1, sizeof *hp);
		if (hp == NULL)
			err(1, NULL);
		hp->hnext = bucket[i];
		hp->hval = hashval;
		hp->hpt = really ? ftell(mesgwrite) : fakept;
		if (really) {
			fwrite(str, sizeof (char), strlen(str) + 1, mesgwrite);
			fwrite("\n", sizeof (char), 1, mesgwrite);
		}
		bucket[i] = hp;
	}
/*
	fprintf(stderr, "%s hashed to %ld at %d\n", str, hp->hval, hp->hpt);
*/
	return (hp->hpt);
}

Example #4

File: mkstr.c Project: apprisi/illumos-gate

static int
hashit(char *str, char really, unsigned int fakept)
{
	int i;
	struct hash *hp;
	char buf[512];
	long hashval = 0;
	char *cp;

	if (really)
		(void) fflush(mesgwrite);
	for (cp = str; *cp; )
		hashval = (hashval << 1) + *cp++;
	i = hashval % NBUCKETS;
	if (i < 0)
		i += NBUCKETS;
	if (really != 0)
		for (hp = bucket[i]; hp != 0; hp = hp->hnext)
		if (hp->hval == hashval) {
			(void) fseek(mesgread, (long)hp->hpt, 0);
			(void) fgetNUL(buf, sizeof (buf), mesgread);
			if (strcmp(buf, str) == 0)
				break;
		}
	if (!really || hp == 0) {
		hp = (struct hash *)calloc(1, sizeof (*hp));
		hp->hnext = bucket[i];
		hp->hval = hashval;
		hp->hpt = really ? ftell(mesgwrite) : fakept;
		if (really) {
			(void) fwrite(str, sizeof (char), strlen(str) + 1,
				mesgwrite);
			(void) fwrite("\n", sizeof (char), 1, mesgwrite);
		}
		bucket[i] = hp;
	}
	return (hp->hpt);
}