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/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#define import_spp
#define import_libc
#define import_stdio
#include <iraf.h>
/* FGETS -- Return a newline delimited string in the user buffer. If the
** buffer fills before newline is seen the string will not be newline
** delimited.
*/
char *
fgets (
char *buf, /* user supplied output buffer */
int maxch, /* max chars out (incl EOS) */
FILE *fp /* input file */
)
{
register int ch = 0, lastch = 0, n = maxch - 1;
register char *op = buf;
while (--n >= 0 && (ch = getc (fp)) >= 0) {
lastch = ch;
if (ch == '\r') /* handle DOS-style CR-NL */
continue;
*op++ = ch;
if (ch == '\n')
break;
}
if (ch == EOF && op == buf)
return ((char *) NULL);
else {
#ifdef ADD_NEWLINE
if (lastch != '\n') /* handle missing NL at EOF */
*op++ = '\n';
#endif
*op = EOS;
return (buf);
}
}
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