refer7.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

#ifndef lint
static char *sccsid = "@(#)refer7.c	4.1 (Berkeley) 5/6/83";
#endif

#include "refer..c"

int newr[250];

chkdup(tag)
char *tag;
{
	int i;

	for(i = 1; i <= refnum; i++) {
		if (strcmp(reftable[i], tag)==0)
			return(i);
	}
	reftable[refnum+1] = rtp;
	if (refnum >= NRFTBL)
		err("too many references (%d) for table", refnum);
	strcpy(rtp, tag);
	while (*rtp++);
	if (rtp > reftext + NRFTXT)
		err("reference pointers too long (%d)", rtp-reftext);
	return(0);
}

dumpold()
{
	FILE *fi;
	int c, g1 = 0, nr = 1;

	if (!endpush)
		return;
	fclose(fo);
	fo = NULL;
	if (sort) {
		char comm[100];
		sprintf(comm, "sort %s -o %s", tfile, tfile);
		system(comm);
	}
	fi = fopen(tfile, "r");
	if (fi == NULL)
		return;
	flout();
	fprintf(ftemp, ".]<\n");
	while ((c = getc(fi)) > 0) {
		if (c == '\n') {
			nr++;
			g1 = 0;
		}
		if (c == sep)
			c = '\n';
		if (c == FLAG) {
			/* make old-new ref number table */
			char tb[20];
			char *s = tb;
			while ((c = getc(fi)) != FLAG)
				*s++ = c;
			*s = 0;
			if (g1++ == 0)
				newr[atoi(tb)] = nr;
#if EBUG
			fprintf(stderr,
				"nr %d assigned to atoi(tb) %d\n",nr,atoi(tb));
# endif
			fprintf(ftemp,"%d", nr);
			continue;
		}
		putc(c, ftemp);
	}
	fclose(fi);
#ifndef TF
	unlink(tfile);
#endif
	fprintf(ftemp, ".]>\n");
}

recopy (fnam)
char *fnam;
{
	int c;

	fclose(ftemp);
	ftemp = fopen(fnam, "r");
	if (ftemp == NULL) {
		fprintf(stderr, "Can't reopen %s\n", fnam);
		exit(1);
	}
	while ((c = getc(ftemp)) != EOF) {
		if (c == FLAG) {
			char tb[10];
			char *s = tb;
			while ((c = getc(ftemp)) != FLAG)
				*s++ = c;
			*s = 0;
			printf("%d", newr[atoi(tb)]);
			continue;
		}
		putchar(c);
	}
	fclose(ftemp);
	unlink(fnam);
}