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commit 7bbd4c56ebe1c91b90561e7f22e875f58e7facc9
parent c71abdc65c8a7ff9597f7b6b5bf60a59be174224
Author: Connor Lane Smith <cls@lubutu.com>
Date:   Mon, 17 Oct 2011 01:44:07 +0100

lsx: detect read errors
Diffstat:
Mlsx.c | 16+++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/lsx.c b/lsx.c @@ -1,5 +1,6 @@ /* See LICENSE file for copyright and license details. */ #include <dirent.h> +#include <errno.h> #include <limits.h> #include <stdio.h> #include <stdlib.h> @@ -28,14 +29,15 @@ lsx(const char *dir) { struct stat st; DIR *dp; - if(!(dp = opendir(dir))) { + for(dp = opendir(dir); dp && (d = readdir(dp)); errno = 0) + if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (int)sizeof buf + && access(buf, X_OK) == 0 && stat(buf, &st) == 0 && S_ISREG(st.st_mode)) + puts(d->d_name); + + if(errno != 0) { status = EXIT_FAILURE; perror(dir); - return; } - while((d = readdir(dp))) - if(snprintf(buf, sizeof buf, "%s/%s", dir, d->d_name) < (int)sizeof buf - && stat(buf, &st) == 0 && S_ISREG(st.st_mode) && access(buf, X_OK) == 0) - puts(d->d_name); - closedir(dp); + if(dp) + closedir(dp); }