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/* Copyright (c) 1988 Regents of the University of California */
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#ifndef lint
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static char SCCSid[] = "$SunId$ LBL";
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#endif
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/*
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* header.c - routines for reading and writing information headers.
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*
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* 8/19/88
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*/
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#include <stdio.h>
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printargs(ac, av, fp) /* print arguments to a file */
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int ac;
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char **av;
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FILE *fp;
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{
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while (ac-- > 0) {
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fputs(*av++, fp);
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putc(' ', fp);
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}
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putc('\n', fp);
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}
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#define MAXLINE 512
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getheader(fp, f) /* get header from file */
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FILE *fp;
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int (*f)();
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{
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char buf[MAXLINE];
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for ( ; ; ) {
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buf[MAXLINE-2] = '\n';
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if (fgets(buf, sizeof(buf), fp) == NULL)
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return(-1);
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if (buf[0] == '\n')
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return(0);
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if (buf[MAXLINE-2] != '\n') {
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ungetc(buf[MAXLINE-2], fp); /* prevent false end */
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buf[MAXLINE-2] = '\0';
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}
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if (f != NULL)
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(*f)(buf);
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}
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}
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static FILE *outfp;
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static
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myputs(s)
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char *s;
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{
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fputs(s, outfp);
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}
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copyheader(fin, fout) /* copy file header */
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FILE *fin, *fout;
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{
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outfp = fout;
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return(getheader(fin, myputs));
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}
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