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Don't bail out if the username/group name does not exist in ls(1)

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sin 2014-04-05 19:22:56 +01:00
parent 81f9cf2a33
commit e3c62682ff
1 changed files with 12 additions and 10 deletions
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22
ls.c
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@ -218,6 +218,8 @@ output(Entry *ent)
ssize_t len;
struct group *gr;
struct passwd *pw;
char pwname[_SC_LOGIN_NAME_MAX];
char grname[_SC_LOGIN_NAME_MAX];
Entry entlnk;
if (iflag)
@ -259,17 +261,17 @@ output(Entry *ent)
errno = 0;
pw = getpwuid(ent->uid);
if(errno)
eprintf("getpwuid %d:", ent->uid);
else if(!pw)
eprintf("getpwuid %d: no such user\n", ent->uid);
if(errno || !pw)
snprintf(pwname, sizeof(pwname), "%d", ent->uid);
else
snprintf(pwname, sizeof(pwname), "%s", pw->pw_name);
errno = 0;
gr = getgrgid(ent->gid);
if(errno)
eprintf("getgrgid %d:", ent->gid);
else if(!gr)
eprintf("getgrgid %d: no such group\n", ent->gid);
if(errno || !gr)
snprintf(grname, sizeof(grname), "%d", ent->gid);
else
snprintf(grname, sizeof(grname), "%s", gr->gr_name);
if(time(NULL) > ent->mtime + (180*24*60*60)) /* 6 months ago? */
fmt = "%b %d %Y";
@ -277,8 +279,8 @@ output(Entry *ent)
fmt = "%b %d %H:%M";
strftime(buf, sizeof buf, fmt, localtime(&ent->mtime));
printf("%s %2ld %-4s %-5s %6lu %s %s%s", mode, (long)ent->nlink, pw->pw_name,
gr->gr_name, (unsigned long)ent->size, buf, ent->name, indicator(ent->mode));
printf("%s %2ld %-4s %-5s %6lu %s %s%s", mode, (long)ent->nlink, pwname,
grname, (unsigned long)ent->size, buf, ent->name, indicator(ent->mode));
if(S_ISLNK(ent->mode)) {
if((len = readlink(ent->name, buf, sizeof buf)) == -1)
eprintf("readlink %s:", ent->name);