diff options
| author | Lennart Poettering <lennart@poettering.net> | 2014-02-19 17:52:28 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2014-02-19 17:53:50 +0100 |
| commit | 833fce2857bcf9cba316d3f8c37af8997b6a80ab (patch) | |
| tree | e67fb37e867a2b66b95f08ae273ad5bbd7eb3d83 /src | |
| parent | 480a61ae742378a6a9a0eb84cf29c6c1e4ea22ff (diff) | |
util: simplify get_ctty()
Diffstat (limited to 'src')
| -rw-r--r-- | src/shared/util.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/src/shared/util.c b/src/shared/util.c index 35e4338c3a..b33f1203e6 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -2526,9 +2526,11 @@ int get_ctty_devnr(pid_t pid, dev_t *d) { } int get_ctty(pid_t pid, dev_t *_devnr, char **r) { - int k; - char fn[sizeof("/dev/char/")-1 + 2*DECIMAL_STR_MAX(unsigned) + 1 + 1], *s, *b, *p; + char fn[sizeof("/dev/char/")-1 + 2*DECIMAL_STR_MAX(unsigned) + 1 + 1], *b = NULL; + _cleanup_free_ char *s = NULL; + const char *p; dev_t devnr; + int k; assert(r); @@ -2546,14 +2548,8 @@ int get_ctty(pid_t pid, dev_t *_devnr, char **r) { /* This is an ugly hack */ if (major(devnr) == 136) { - if (asprintf(&b, "pts/%lu", (unsigned long) minor(devnr)) < 0) - return -ENOMEM; - - *r = b; - if (_devnr) - *_devnr = devnr; - - return 0; + asprintf(&b, "pts/%lu", (unsigned long) minor(devnr)); + goto finish; } /* Probably something like the ptys which have no @@ -2561,14 +2557,7 @@ int get_ctty(pid_t pid, dev_t *_devnr, char **r) { * vaguely useful. */ b = strdup(fn + 5); - if (!b) - return -ENOMEM; - - *r = b; - if (_devnr) - *_devnr = devnr; - - return 0; + goto finish; } if (startswith(s, "/dev/")) @@ -2579,8 +2568,8 @@ int get_ctty(pid_t pid, dev_t *_devnr, char **r) { p = s; b = strdup(p); - free(s); +finish: if (!b) return -ENOMEM; |