diff options
| author | Yaroslav Tykhiy <ytykhiy@gmail.com> | 2004-10-30 16:11:15 +0000 |
|---|---|---|
| committer | Yaroslav Tykhiy <ytykhiy@gmail.com> | 2004-10-30 16:11:15 +0000 |
| commit | c29b9b47976dc28c3824de9dbe74a11a1635d13b (patch) | |
| tree | 25d4611fbb7fa4696030663a69e78222ed4273f7 /libexec | |
| parent | cf181f3b7119247304d39c2e4aab69d4fb54511f (diff) | |
| download | src-c29b9b47976dc28c3824de9dbe74a11a1635d13b.tar.gz src-c29b9b47976dc28c3824de9dbe74a11a1635d13b.zip | |
Describe the semantics of the sgetpwnam() helper function
in the comment above it so that nobody will save pointers
returned inside "struct passwd" across the calls to the function.
Notes
Notes:
svn path=/head/; revision=137076
Diffstat (limited to 'libexec')
| -rw-r--r-- | libexec/ftpd/ftpd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libexec/ftpd/ftpd.c b/libexec/ftpd/ftpd.c index 10e438787b36..fdcb76e0edeb 100644 --- a/libexec/ftpd/ftpd.c +++ b/libexec/ftpd/ftpd.c @@ -934,6 +934,9 @@ sgetsave(char *s) * Save the result of a getpwnam. Used for USER command, since * the data returned must not be clobbered by any other command * (e.g., globbing). + * NB: The data returned by sgetpwnam() will remain valid until + * the next call to this function. Its difference from getpwnam() + * is that sgetpwnam() is known to be called from ftpd code only. */ static struct passwd * sgetpwnam(char *name) |