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| author | yar <yar@FreeBSD.org> | 2004-10-30 16:11:15 +0000 |
|---|---|---|
| committer | yar <yar@FreeBSD.org> | 2004-10-30 16:11:15 +0000 |
| commit | 4e42ff84eb6d2ed05e941dc657801d69e9b440f7 (patch) | |
| tree | 25d4611fbb7fa4696030663a69e78222ed4273f7 | |
| parent | 33771cab2b2109dc3916627d71b17d9706bb5ca6 (diff) | |
| download | FreeBSD-src-4e42ff84eb6d2ed05e941dc657801d69e9b440f7.zip FreeBSD-src-4e42ff84eb6d2ed05e941dc657801d69e9b440f7.tar.gz | |
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.
| -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 10e4387..fdcb76e 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) |
