rm-f.c

来自「mips架构的bootloader,99左右的版本 但源代码现在没人更新了」· C语言 代码 · 共 38 行

#include <stdio.h>
#include <string.h>

#define strequ(x,y)	((strcmp(x,y)==0)?1:0)
#define BUFSZ 100

char usage[] = "usage: rm-f files [-ffile][-f-]";
char buf[BUFSZ];

main(argc,argv)
int argc;
char *argv[];
{
int i;
FILE *fp;

for (i=1;i<argc;i++) {
	if (!strncmp(argv[i],"-f",2)) {
		if (argv[i][2] == '-') fp = stdin;
		else {
			fp = fopen(argv[i],"r");
			if (fp == 0) {
				fprintf(stderr,"%s: can't open %s\n",
							argv[0],argv[i]);
				exit(1);
				}
			}
		while (fgets(buf,BUFSZ,fp)) {
			if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
			unlink(buf);
			}
		if (fp != stdin) fclose(fp);
		}
	else unlink(argv[i]);
	}
exit(0);
}