Ls
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ecb6f39d33
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@ -1,3 +1,5 @@
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#include <pwd.h>
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#include <grp.h>
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#include <time.h>
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#include <stdio.h>
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#include <errno.h>
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@ -7,6 +9,7 @@
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#include <dirent.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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unsigned int a_flag;
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unsigned int l_flag;
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@ -18,14 +21,14 @@ void PrintPerm(struct stat sb) {
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}
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int list(const char *path, int label) {
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struct stat statbuf;
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if (stat(path, &statbuf)) {
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struct stat sb;
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if (stat(path, &sb)) {
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fprintf(stderr, "ls: unable to stat %s: %s\n", path, strerror(errno));
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return 1;
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}
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/* If its file */
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if (S_ISDIR(statbuf.st_mode) == 0) {
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if (!S_ISDIR(sb.st_mode)) {
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puts(path);
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return 0;
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}
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@ -41,10 +44,8 @@ int list(const char *path, int label) {
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/* Open and print dir */
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DIR *dp = opendir(".");
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if (dp == NULL) {
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fprintf(stderr, "ls: %s: %s\n", path, strerror(errno));
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if (dp == NULL)
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return 1;
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}
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struct dirent *ep;
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while ((ep = readdir(dp)) != NULL) {
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@ -52,7 +53,6 @@ int list(const char *path, int label) {
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continue;
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if (l_flag) {
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struct stat sb;
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if (lstat(ep->d_name, &sb) == -1) {
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fprintf(stderr, "ls: lstat()\n");
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return 1;
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@ -61,7 +61,7 @@ int list(const char *path, int label) {
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/* Permissions */
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PrintPerm(sb);
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/* Date and other info */
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/* Date */
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struct tm *tm = localtime(&sb.st_mtime);
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char date[14];
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@ -70,7 +70,11 @@ int list(const char *path, int label) {
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return 1;
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}
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printf(" %jd %jd %s %s\n", (uintmax_t)sb.st_mode, (uintmax_t)sb.st_size, date, ep->d_name);
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/* Group and user name */
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struct passwd *pw = getpwuid(sb.st_uid);
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struct group *gr = getgrgid(sb.st_gid);
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printf(" %s %s %jd %s %s\n", (pw != 0) ? pw->pw_name : "nobody", (gr != 0) ? gr->gr_name : "nobody", (uintmax_t)sb.st_size, date, ep->d_name);
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}
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else
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