diff options
Diffstat (limited to 'bin/chmod')
| -rw-r--r-- | bin/chmod/chmod.1 | 12 | ||||
| -rw-r--r-- | bin/chmod/chmod.c | 17 |
2 files changed, 26 insertions, 3 deletions
diff --git a/bin/chmod/chmod.1 b/bin/chmod/chmod.1 index 7efaabcdefcf..9eec706e7436 100644 --- a/bin/chmod/chmod.1 +++ b/bin/chmod/chmod.1 @@ -32,7 +32,7 @@ .\" @(#)chmod.1 8.4 (Berkeley) 3/31/94 .\" $FreeBSD$ .\" -.Dd April 20, 2015 +.Dd January 7, 2017 .Dt CHMOD 1 .Os .Sh NAME @@ -106,6 +106,16 @@ option is specified. In addition, these options override each other and the command's actions are determined by the last one specified. .Pp +If +.Nm +receives a +.Dv SIGINFO +signal (see the +.Cm status +argument for +.Xr stty 1 ) , +then the current filename as well as the old and new modes are displayed. +.Pp Only the owner of a file or the super-user is permitted to change the mode of a file. .Sh EXIT STATUS diff --git a/bin/chmod/chmod.c b/bin/chmod/chmod.c index a6f625b11e68..d6875f073326 100644 --- a/bin/chmod/chmod.c +++ b/bin/chmod/chmod.c @@ -49,14 +49,24 @@ __FBSDID("$FreeBSD$"); #include <fcntl.h> #include <fts.h> #include <limits.h> +#include <signal.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> +static volatile sig_atomic_t siginfo; + static void usage(void); static int may_have_nfs4acl(const FTSENT *ent, int hflag); +static void +siginfo_handler(int sig __unused) +{ + + siginfo = 1; +} + int main(int argc, char *argv[]) { @@ -125,6 +135,8 @@ done: argv += optind; if (argc < 2) usage(); + (void)signal(SIGINFO, siginfo_handler); + if (Rflag) { if (hflag) errx(1, "the -R and -h options may not be " @@ -192,10 +204,10 @@ done: argv += optind; && !fflag) { warn("%s", p->fts_path); rval = 1; - } else if (vflag) { + } else if (vflag || siginfo) { (void)printf("%s", p->fts_path); - if (vflag > 1) { + if (vflag > 1 || siginfo) { char m1[12], m2[12]; strmode(p->fts_statp->st_mode, m1); @@ -207,6 +219,7 @@ done: argv += optind; newmode, m2); } (void)printf("\n"); + siginfo = 0; } } if (errno) |