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    Length: 1163 (0x48b)
    Types: TextFile
    Names: »readlines.c«

└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
    └─⟦this⟧ »EUUGD11/stat-5.3/eu/stat/src/readlines.c« 

TextFile

/*  Copyright 1985 Gary Perlman */

/*LINTLIBRARY*/
#ifndef lint
static char sccsfid[] = "@(#) readlines.c 5.2 (|stat) 12/1/86";
#endif

#include <stdio.h>
#include <ctype.h>

char	*malloc ();
char	*strcpy ();

#define	NOSPACE  (-1)

int
readlines (svecptr, maxlines, ioptr)
char	***svecptr;          /* string vector pointer */
unsigned	maxlines;        /* max lines to read */
FILE	*ioptr;              /* where to read lines from */
	{
	int 	nlines;          /* number of lines read */
	char	**lptr;          /* temporary svec space */
	char	linebuf[BUFSIZ]; /* individual lines */
	unsigned len;            /* input line length */

	lptr = (char **) malloc (maxlines * sizeof (char *));
	*svecptr = lptr;
	if (lptr == NULL)
		return (NOSPACE);

	for (nlines = 0; fgets (linebuf, sizeof (linebuf), ioptr); nlines++)
		{
		if (nlines == maxlines)         /* already full of lines */
			return (maxlines + 1);
		len = strlen (linebuf);
		if (linebuf[len-1] == '\n')     /* remove trailing newline if there */
			linebuf[--len] = '\0';
		if ((lptr[nlines] = malloc (len+1)) == NULL)
			return (NOSPACE);
		strcpy (lptr[nlines], linebuf);
		}
	return (nlines);
	}