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Make PATH search do the right thing w/ empty path

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Justine Tunney 2021-01-29 01:27:09 -08:00
parent a5f3456333
commit caee314a50
7 changed files with 147 additions and 40 deletions
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58
libc/x/rmrf.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/struct/dirent.h"
#include "libc/calls/struct/stat.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/dt.h"
#include "libc/x/x.h"
static int rmrfdir(const char *dirpath) {
int rc;
DIR *d;
char *path;
struct dirent *e;
if (!(d = opendir(dirpath))) return -1;
for (rc = 0; (e = readdir(d));) {
if (!strcmp(e->d_name, ".")) continue;
if (!strcmp(e->d_name, "..")) continue;
if (strchr(e->d_name, '/')) abort();
path = xjoinpaths(dirpath, e->d_name);
if ((e->d_type == DT_DIR ? rmrfdir(path) : unlink(path)) == -1) {
free(path);
closedir(d);
return -1;
}
free(path);
}
return closedir(d);
}
/**
* Recursively removes file or directory.
*/
int rmrf(const char *path) {
struct stat st;
if (stat(path, &st) == -1) return -1;
if (!S_ISDIR(st.st_mode)) return unlink(path);
return rmrfdir(path);
}