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Diffstat (limited to 'contrib/sendmail/src/convtime.c')
| -rw-r--r-- | contrib/sendmail/src/convtime.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/contrib/sendmail/src/convtime.c b/contrib/sendmail/src/convtime.c new file mode 100644 index 0000000..36edc1a --- /dev/null +++ b/contrib/sendmail/src/convtime.c @@ -0,0 +1,202 @@ +/* + * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. + * All rights reserved. + * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + * + */ + +#include <sendmail.h> + +SM_RCSID("@(#)$Id: convtime.c,v 8.39 2001/09/11 04:05:13 gshapiro Exp $") + +/* +** CONVTIME -- convert time +** +** Takes a time as an ascii string with a trailing character +** giving units: +** s -- seconds +** m -- minutes +** h -- hours +** d -- days (default) +** w -- weeks +** For example, "3d12h" is three and a half days. +** +** Parameters: +** p -- pointer to ascii time. +** units -- default units if none specified. +** +** Returns: +** time in seconds. +** +** Side Effects: +** none. +*/ + +time_t +convtime(p, units) + char *p; + int units; +{ + register time_t t, r; + register char c; + bool pos = true; + + r = 0; + if (sm_strcasecmp(p, "now") == 0) + return NOW; + if (*p == '-') + { + pos = false; + ++p; + } + while (*p != '\0') + { + t = 0; + while ((c = *p++) != '\0' && isascii(c) && isdigit(c)) + t = t * 10 + (c - '0'); + if (c == '\0') + { + c = units; + p--; + } + else if (strchr("wdhms", c) == NULL) + { + usrerr("Invalid time unit `%c'", c); + c = units; + } + switch (c) + { + case 'w': /* weeks */ + t *= 7; + /* FALLTHROUGH */ + + case 'd': /* days */ + /* FALLTHROUGH */ + default: + t *= 24; + /* FALLTHROUGH */ + + case 'h': /* hours */ + t *= 60; + /* FALLTHROUGH */ + + case 'm': /* minutes */ + t *= 60; + /* FALLTHROUGH */ + + case 's': /* seconds */ + break; + } + r += t; + } + + return pos ? r : -r; +} +/* +** PINTVL -- produce printable version of a time interval +** +** Parameters: +** intvl -- the interval to be converted +** brief -- if true, print this in an extremely compact form +** (basically used for logging). +** +** Returns: +** A pointer to a string version of intvl suitable for +** printing or framing. +** +** Side Effects: +** none. +** +** Warning: +** The string returned is in a static buffer. +*/ + +#define PLURAL(n) ((n) == 1 ? "" : "s") + +char * +pintvl(intvl, brief) + time_t intvl; + bool brief; +{ + static char buf[256]; + register char *p; + int wk, dy, hr, mi, se; + + if (intvl == 0 && !brief) + return "zero seconds"; + if (intvl == NOW) + return "too long"; + + /* decode the interval into weeks, days, hours, minutes, seconds */ + se = intvl % 60; + intvl /= 60; + mi = intvl % 60; + intvl /= 60; + hr = intvl % 24; + intvl /= 24; + if (brief) + { + dy = intvl; + wk = 0; + } + else + { + dy = intvl % 7; + intvl /= 7; + wk = intvl; + } + + /* now turn it into a sexy form */ + p = buf; + if (brief) + { + if (dy > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), "%d+", dy); + p += strlen(p); + } + (void) sm_snprintf(p, SPACELEFT(buf, p), "%02d:%02d:%02d", + hr, mi, se); + return buf; + } + + /* use the verbose form */ + if (wk > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d week%s", wk, + PLURAL(wk)); + p += strlen(p); + } + if (dy > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d day%s", dy, + PLURAL(dy)); + p += strlen(p); + } + if (hr > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d hour%s", hr, + PLURAL(hr)); + p += strlen(p); + } + if (mi > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d minute%s", mi, + PLURAL(mi)); + p += strlen(p); + } + if (se > 0) + { + (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d second%s", se, + PLURAL(se)); + p += strlen(p); + } + + return (buf + 2); +} |
