cliargs.c

来自「apue第二版每一章节的c语言源码」· C语言 代码 · 共 20 行

#include	"opend.h"
#include	<string.h>

/* We're called by buf_args(), which is called by request().
 * buf_args() has broken up the client's buffer into an
 * argv[] style array, which we now process. */

int
cli_args(int argc, char **argv)
{
	if (argc != 3 || strcmp(argv[0], CL_OPEN) != 0) {
		strcpy(errmsg, "usage: <pathname> <oflag>\n");
		return(-1);
	}

	pathname = argv[1];		/* save ptr to pathname to open */
	oflag = atoi(argv[2]);
	return(0);
}