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Current Path: /usr/src/contrib/nvi/ex

📁 ..
📄 ex.awk(115 B)
📄 ex.c(61.91 KB)
📄 ex.h(8.63 KB)
📄 ex_abbrev.c(2.63 KB)
📄 ex_append.c(7.05 KB)
📄 ex_args.c(7.03 KB)
📄 ex_argv.c(20.06 KB)
📄 ex_at.c(3.14 KB)
📄 ex_bang.c(5.25 KB)
📄 ex_cd.c(2.84 KB)
📄 ex_cmd.c(11.69 KB)
📄 ex_cscope.c(24.32 KB)
📄 ex_def.h(1.4 KB)
📄 ex_delete.c(1.3 KB)
📄 ex_display.c(2.71 KB)
📄 ex_edit.c(3.5 KB)
📄 ex_equal.c(1.17 KB)
📄 ex_file.c(1.56 KB)
📄 ex_filter.c(8.38 KB)
📄 ex_global.c(7.17 KB)
📄 ex_init.c(9.93 KB)
📄 ex_join.c(4.36 KB)
📄 ex_map.c(3.01 KB)
📄 ex_mark.c(787 B)
📄 ex_mkexrc.c(1.96 KB)
📄 ex_move.c(4.16 KB)
📄 ex_open.c(867 B)
📄 ex_preserve.c(1.92 KB)
📄 ex_print.c(6.43 KB)
📄 ex_put.c(880 B)
📄 ex_quit.c(801 B)
📄 ex_read.c(8 KB)
📄 ex_screen.c(2.22 KB)
📄 ex_script.c(12.76 KB)
📄 ex_set.c(737 B)
📄 ex_shell.c(4.95 KB)
📄 ex_shift.c(4.59 KB)
📄 ex_source.c(2.01 KB)
📄 ex_stop.c(928 B)
📄 ex_subst.c(34.22 KB)
📄 ex_tag.c(28.84 KB)
📄 ex_txt.c(10.91 KB)
📄 ex_undo.c(1.33 KB)
📄 ex_usage.c(4.15 KB)
📄 ex_util.c(4.18 KB)
📄 ex_version.c(721 B)
📄 ex_visual.c(3.68 KB)
📄 ex_write.c(8 KB)
📄 ex_yank.c(882 B)
📄 ex_z.c(3.56 KB)
📄 extern.h(4.37 KB)
📄 script.h(588 B)
📄 tag.h(3.09 KB)
📄 version.h(40 B)

Editing: ex_source.c

/*-
 * Copyright (c) 1992, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 1992, 1993, 1994, 1995, 1996
 *	Keith Bostic.  All rights reserved.
 *
 * See the LICENSE file for redistribution information.
 */

#include "config.h"

#include <sys/types.h>
#include <sys/queue.h>
#include <sys/stat.h>

#include <bitstring.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "../common/common.h"

/*
 * ex_source -- :source file
 *	Execute ex commands from a file.
 *
 * PUBLIC: int ex_source(SCR *, EXCMD *);
 */
int
ex_source(SCR *sp, EXCMD *cmdp)
{
	struct stat sb;
	int fd, len;
	char *bp;
	char *name, *np;
	size_t nlen;
	CHAR_T *wp;
	size_t wlen;
	int rc;

INT2CHAR(sp, cmdp->argv[0]->bp, cmdp->argv[0]->len + 1, name, nlen);
	if ((fd = open(name, O_RDONLY, 0)) < 0 || fstat(fd, &sb))
		goto err;

/*
	 * XXX
	 * I'd like to test to see if the file is too large to malloc.  Since
	 * we don't know what size or type off_t's or size_t's are, what the
	 * largest unsigned integral type is, or what random insanity the local
	 * C compiler will perpetrate, doing the comparison in a portable way
	 * is flatly impossible.  So, put an fairly unreasonable limit on it,
	 * I don't want to be dropping core here.
	 */
#define	MEGABYTE	1048576
	if (sb.st_size > MEGABYTE) {
		errno = ENOMEM;
		goto err;
	}

MALLOC(sp, bp, (size_t)sb.st_size + 1);
	if (bp == NULL) {
		(void)close(fd);
		return (1);
	}
	bp[sb.st_size] = '\0';

/* Read the file into memory. */
	len = read(fd, bp, (int)sb.st_size);
	(void)close(fd);
	if (len == -1 || len != sb.st_size) {
		if (len != sb.st_size)
			errno = EIO;
		free(bp);
err:		msgq_str(sp, M_SYSERR, name, "%s");
		return (1);
	}

np = strdup(name);
	if (CHAR2INT(sp, bp, (size_t)sb.st_size + 1, wp, wlen))
		msgq(sp, M_ERR, "323|Invalid input. Truncated.");
	/* Put it on the ex queue. */
	rc = ex_run_str(sp, np, wp, wlen - 1, 1, 0);
	free(np);
	free(bp);
	return (rc);
}

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Editing: ex_source.c

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