src/common/fgetline.c

/* Copyright (c) 1989 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 * fgetline.c - read line with escaped newlines
 *
 *      10/4/89
 */

#include  <stdio.h>


char *
fgetline(s, n, fp)      /* read in line with escapes, elide final newline */
char  *s;
register int  n;
FILE  *fp;
{
        register char  *cp;
        register int  c;

        cp = s;
        while (--n > 0 && (c = getc(fp)) != EOF && c != '\n') {
                if (c == '\\') {
                        if ((c = getc(fp)) == EOF)
                                break;
                }
                *cp++ = c;
        }
        if (cp == s)
                return(NULL);
        *cp++ = '\0';
        return(s);
}
Revision:	1.1
Committed:	Wed Oct 4 15:48:15 1989 UTC (34 years, 7 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Log Message:	Initial revision
#	Content
1	/* Copyright (c) 1989 Regents of the University of California */
2
3	#ifndef lint
4	static char SCCSid[] = "$SunId$ LBL";
5	#endif
6
7	/*
8	* fgetline.c - read line with escaped newlines
9	*
10	* 10/4/89
11	*/
12
13	#include <stdio.h>
14
15
16	char *
17	fgetline(s, n, fp) /* read in line with escapes, elide final newline */
18	char *s;
19	register int n;
20	FILE *fp;
21	{
22	register char *cp;
23	register int c;
24
25	cp = s;
26	while (--n > 0 && (c = getc(fp)) != EOF && c != '\n') {
27	if (c == '\\') {
28	if ((c = getc(fp)) == EOF)
29	break;
30	}
31	*cp++ = c;
32	}
33	if (cp == s)
34	return(NULL);
35	*cp++ = '\0';
36	return(s);
37	}