1 /*
2 * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
3 * All rights reserved.
4 * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
5 * Copyright (c) 1988, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * By using this file, you agree to the terms and conditions set
9 * forth in the LICENSE file which can be found at the top level of
10 * the sendmail distribution.
11 *
12 */
13
14 #pragma ident "%Z%%M% %I% %E% SMI"
15
16 #include <sendmail.h>
17
18 SM_RCSID("@(#)$Id: convtime.c,v 8.36 2001/02/13 22:32:08 ca Exp $")
19
20 /*
21 ** CONVTIME -- convert time
22 **
23 ** Takes a time as an ascii string with a trailing character
24 ** giving units:
25 ** s -- seconds
26 ** m -- minutes
27 ** h -- hours
28 ** d -- days (default)
29 ** w -- weeks
30 ** For example, "3d12h" is three and a half days.
31 **
32 ** Parameters:
33 ** p -- pointer to ascii time.
34 ** units -- default units if none specified.
35 **
36 ** Returns:
37 ** time in seconds.
38 **
39 ** Side Effects:
40 ** none.
41 */
42
43 time_t
44 convtime(p, units)
45 char *p;
46 int units;
47 {
48 register time_t t, r;
49 register char c;
50 bool pos = true;
51
52 r = 0;
53 if (sm_strcasecmp(p, "now") == 0)
54 return NOW;
55 if (*p == '-')
56 {
57 pos = false;
58 ++p;
59 }
60 while (*p != '\0')
61 {
62 t = 0;
63 while ((c = *p++) != '\0' && isascii(c) && isdigit(c))
64 t = t * 10 + (c - '0');
65 if (c == '\0')
66 {
67 c = units;
68 p--;
69 }
70 else if (strchr("wdhms", c) == NULL)
71 {
72 usrerr("Invalid time unit `%c'", c);
73 c = units;
74 }
75 switch (c)
76 {
77 case 'w': /* weeks */
78 t *= 7;
79 /* FALLTHROUGH */
80
81 case 'd': /* days */
82 /* FALLTHROUGH */
83 default:
84 t *= 24;
85 /* FALLTHROUGH */
86
87 case 'h': /* hours */
88 t *= 60;
89 /* FALLTHROUGH */
90
91 case 'm': /* minutes */
92 t *= 60;
93 /* FALLTHROUGH */
94
95 case 's': /* seconds */
96 break;
97 }
98 r += t;
99 }
100
101 return pos ? r : -r;
102 }
103 /*
104 ** PINTVL -- produce printable version of a time interval
105 **
106 ** Parameters:
107 ** intvl -- the interval to be converted
108 ** brief -- if true, print this in an extremely compact form
109 ** (basically used for logging).
110 **
111 ** Returns:
112 ** A pointer to a string version of intvl suitable for
113 ** printing or framing.
114 **
115 ** Side Effects:
116 ** none.
117 **
118 ** Warning:
119 ** The string returned is in a static buffer.
120 */
121
122 #define PLURAL(n) ((n) == 1 ? "" : "s")
123
124 char *
pintvl(intvl,brief)125 pintvl(intvl, brief)
126 time_t intvl;
127 bool brief;
128 {
129 static char buf[256];
130 register char *p;
131 int wk, dy, hr, mi, se;
132
133 if (intvl == 0 && !brief)
134 return "zero seconds";
135 if (intvl == NOW)
136 return "too long";
137
138 /* decode the interval into weeks, days, hours, minutes, seconds */
139 se = intvl % 60;
140 intvl /= 60;
141 mi = intvl % 60;
142 intvl /= 60;
143 hr = intvl % 24;
144 intvl /= 24;
145 if (brief)
146 {
147 dy = intvl;
148 wk = 0;
149 }
150 else
151 {
152 dy = intvl % 7;
153 intvl /= 7;
154 wk = intvl;
155 }
156
157 /* now turn it into a sexy form */
158 p = buf;
159 if (brief)
160 {
161 if (dy > 0)
162 {
163 (void) sm_snprintf(p, SPACELEFT(buf, p), "%d+", dy);
164 p += strlen(p);
165 }
166 (void) sm_snprintf(p, SPACELEFT(buf, p), "%02d:%02d:%02d",
167 hr, mi, se);
168 return buf;
169 }
170
171 /* use the verbose form */
172 if (wk > 0)
173 {
174 (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d week%s", wk,
175 PLURAL(wk));
176 p += strlen(p);
177 }
178 if (dy > 0)
179 {
180 (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d day%s", dy,
181 PLURAL(dy));
182 p += strlen(p);
183 }
184 if (hr > 0)
185 {
186 (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d hour%s", hr,
187 PLURAL(hr));
188 p += strlen(p);
189 }
190 if (mi > 0)
191 {
192 (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d minute%s", mi,
193 PLURAL(mi));
194 p += strlen(p);
195 }
196 if (se > 0)
197 {
198 (void) sm_snprintf(p, SPACELEFT(buf, p), ", %d second%s", se,
199 PLURAL(se));
200 p += strlen(p);
201 }
202
203 return (buf + 2);
204 }
205