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find: check whether readdir failed, and properly check timestamps

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Signed-off-by: Mattias Andrée <maandree@kth.se>
This commit is contained in:
Mattias Andrée 2016-03-30 03:04:45 +02:00 committed by FRIGN
parent e8a3a3ec37
commit 96ccf5172d
1 changed files with 12 additions and 10 deletions
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22
find.c
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@ -1,5 +1,6 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
#include <dirent.h> #include <dirent.h>
#include <errno.h>
#include <fnmatch.h> #include <fnmatch.h>
#include <grp.h> #include <grp.h>
#include <libgen.h> #include <libgen.h>
@ -322,24 +323,21 @@ static int
pri_atime(struct arg *arg) pri_atime(struct arg *arg)
{ {
struct narg *n = arg->extra.p; struct narg *n = arg->extra.p;
time_t time = (n->n - start.tv_sec) / 86400; return n->cmp((start.tv_sec - arg->st->st_atime) / 86400, n->n);
return n->cmp(time, n->n);
} }
static int static int
pri_ctime(struct arg *arg) pri_ctime(struct arg *arg)
{ {
struct narg *n = arg->extra.p; struct narg *n = arg->extra.p;
time_t time = (n->n - start.tv_sec) / 86400; return n->cmp((start.tv_sec - arg->st->st_ctime) / 86400, n->n);
return n->cmp(time, n->n);
} }
static int static int
pri_mtime(struct arg *arg) pri_mtime(struct arg *arg)
{ {
struct narg *n = arg->extra.p; struct narg *n = arg->extra.p;
time_t time = (n->n - start.tv_sec) / 86400; return n->cmp((start.tv_sec - arg->st->st_mtime) / 86400, n->n);
return n->cmp(time, n->n);
} }
static int static int
@ -397,7 +395,7 @@ pri_exec(struct arg *arg)
weprintf("exec %s failed:", *e->argv); weprintf("exec %s failed:", *e->argv);
_exit(1); _exit(1);
} }
/* FIXME: propper course of action for all waitpid() on EINTR? */ /* FIXME: proper course of action for all waitpid() on EINTR? */
waitpid(pid, &status, 0); waitpid(pid, &status, 0);
return !!status; return !!status;
} }
@ -969,8 +967,7 @@ find(char *path, struct findhist *hist)
return; return;
} }
/* FIXME: check errno to see if we are done or encountered an error? */ while (errno = 0, (de = readdir(dir))) {
while ((de = readdir(dir))) {
size_t pathcap = len + strlen(de->d_name); size_t pathcap = len + strlen(de->d_name);
char pathbuf[pathcap], *p; char pathbuf[pathcap], *p;
@ -983,7 +980,12 @@ find(char *path, struct findhist *hist)
estrlcat(pathbuf, de->d_name, pathcap); estrlcat(pathbuf, de->d_name, pathcap);
find(pathbuf, &cur); find(pathbuf, &cur);
} }
closedir(dir); /* check return value? */ if (errno) {
weprintf("readdir %s:", path);
closedir(dir);
return;
}
closedir(dir);
if (gflags.depth) if (gflags.depth)
eval(root, &arg); eval(root, &arg);