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#include <u.h>
#include <libn.h>
#include <sys/stat.h>
/*
* globals
*/
static char errbuf[1024];
static int numerrs;
static struct
{
uchar i : 1;
uchar f : 1;
uchar r : 1;
} flag;
/*
* utilities
*/
static
void
errors(char *fmt, ...)
{
va_list args;
if(flag.f)
return;
va_start(args, fmt);
vsnprintf(errbuf, arrlen(errbuf), fmt, args);
va_end(args);
fprintf(stderr, "rm: %s\n", errbuf);
numerrs++;
}
static
int
yes(void)
{
int i, b;
i = b = getchar();
while(b != '\n' && b != EOF)
b = getchar();
return(i== 'y');
}
static
int
rm(char *path, int level)
{
int d;
struct stat buf;
if(stat(path, &buf)) {
errors("%s: non-existent", path);
return 1;
}
if((buf.st_mode&S_IFMT) == S_IFDIR) {
if(!flag.r) {
errors("%s: is directory", path);
return 1;
}
if(access(path, 02) < 0) {
errors("%s: not permitted", path);
return 1;
}
if(flag.i && level != 0) {
printf("directory %s: ", path);
if(!yes())
return 0;
}
if((d=
}
}
/*
* main point of entry
*/
static
void
usage(void)
{
fprintf(stderr, "usage: rm [-ifr] file ...\n");
exit(1);
}
int
main(int argc, char *argv[])
{
int i;
char *s;
ARGBEGIN{
case 'i':
flag.i = 1;
break;
case 'r':
flag.r = 1;
break;
case 'f':
flag.f = 1;
break;
default:
usage();
}ARGEND;
for(i = 0; i < argc; i++){
s = argv[i];
if (rm(s, 0) != -1)
continue;
}
exit(numerrs);
}
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