diff options
Diffstat (limited to 'env.c')
| -rw-r--r-- | env.c | 34 |
1 files changed, 34 insertions, 0 deletions
@@ -19,6 +19,10 @@ #ifdef HAVE_GETHOSTBYNAME #include <netdb.h> #endif /* HAVE_GETHOSTBYNAME */ +#ifndef HAVE_STRFTIME /* For ctime prototype */ +#include <sys/types.h> +#include <time.h> +#endif #include "fetchmail.h" extern char *getenv(); /* needed on sysV68 R3V7.1. */ @@ -99,6 +103,36 @@ char *host_fqdn(void) return(xstrdup(tmpbuf)); } +char *rfc822timestamp(void) +/* return a timestamp in RFC822 form */ +{ + time_t now; + static char buf[40]; + + time(&now); +#ifdef HAVE_STRFTIME + /* + * Conform to RFC822. This is typically going to emit + * a three-letter timezone for %Z, which is going to + * be marked "obsolete syntax" in 822bis. Note that we + * generate a 4-digit year here, avoiding Y2K hassles. + * Note: max length of this timestamp in an English locale + * should be 29 chars, assuming a 3-character timezone. + */ + strftime(buf, sizeof(buf)-1, + "%a, %d %b %Y %H:%M:%S %Z", localtime(&now)); +#else + /* + * This is really just a portability fallback, as the + * date format ctime(3) emits is not RFC822 + * conformant. + */ + strcpy(buf, ctime(&now)); + buf[strlen(buf)-1] = '\0'; /* remove trailing \n */ +#endif /* HAVE_STRFTIME */ + + return(buf); +} const char *showproto(int proto) /* protocol index to protocol name mapping */ |