1 /*
2 * Copyright (c) Ian F. Darwin 1986-1995.
3 * Software written by Ian F. Darwin and others;
4 * maintained 1995-present by Christos Zoulas and others.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice immediately at the beginning of the file, without modification,
11 * this list of conditions, and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 /*
29 * print.c - debugging printout routines
30 */
31 #define _GNU_SOURCE
32 #include "php.h"
33
34 #include "file.h"
35
36 #ifndef lint
37 FILE_RCSID("@(#)$File: print.c,v 1.82 2017/02/10 18:14:01 christos Exp $")
38 #endif /* lint */
39
40 #include <string.h>
41 #include <stdarg.h>
42 #include <stdlib.h>
43 #ifdef HAVE_UNISTD_H
44 #include <unistd.h>
45 #endif
46 #include <time.h>
47
48 #ifdef PHP_WIN32
49 # define asctime_r php_asctime_r
50 # define ctime_r php_ctime_r
51 #endif
52
53 #define SZOF(a) (sizeof(a) / sizeof(a[0]))
54
55 #include "cdf.h"
56
57 /*VARARGS*/
58 protected void
file_magwarn(struct magic_set * ms,const char * f,...)59 file_magwarn(struct magic_set *ms, const char *f, ...)
60 {
61 va_list va;
62 char *expanded_format = NULL;
63 int expanded_len;
64
65 va_start(va, f);
66 expanded_len = vasprintf(&expanded_format, f, va);
67 va_end(va);
68
69 if (expanded_len >= 0 && expanded_format) {
70 php_error_docref(NULL, E_NOTICE, "Warning: %s", expanded_format);
71
72 free(expanded_format);
73 }
74 }
75
76 protected const char *
file_fmttime(uint64_t v,int flags,char * buf)77 file_fmttime(uint64_t v, int flags, char *buf)
78 {
79 char *pp;
80 time_t t = (time_t)v;
81 struct tm *tm = NULL;
82
83 if (flags & FILE_T_WINDOWS) {
84 struct timeval ts;
85 cdf_timestamp_to_timespec(&ts, t);
86 t = ts.tv_sec;
87 } else {
88 // XXX: perhaps detect and print something if overflow
89 // on 32 bit time_t?
90 t = (time_t)v;
91 }
92
93 if (flags & FILE_T_LOCAL) {
94 pp = ctime_r(&t, buf);
95 } else {
96 #ifndef HAVE_DAYLIGHT
97 private int daylight = 0;
98 #ifdef HAVE_TM_ISDST
99 private time_t now = (time_t)0;
100
101 if (now == (time_t)0) {
102 struct tm *tm1;
103 (void)time(&now);
104 tm1 = localtime(&now);
105 if (tm1 == NULL)
106 goto out;
107 daylight = tm1->tm_isdst;
108 }
109 #endif /* HAVE_TM_ISDST */
110 #endif /* HAVE_DAYLIGHT */
111 if (daylight)
112 t += 3600;
113 tm = gmtime(&t);
114 if (tm == NULL)
115 goto out;
116 pp = asctime_r(tm, buf);
117 }
118 if (tm == NULL)
119 goto out;
120 pp = asctime_r(tm, buf);
121
122 if (pp == NULL)
123 goto out;
124 pp[strcspn(pp, "\n")] = '\0';
125 return pp;
126 out:
127 return strcpy(buf, "*Invalid time*");
128 }
129
