1*14b82553Snicm /* $OpenBSD: magic-common.c,v 1.3 2015/08/11 22:29:25 nicm Exp $ */
2ff772f70Snicm
3ff772f70Snicm /*
4ff772f70Snicm * Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org>
5ff772f70Snicm *
6ff772f70Snicm * Permission to use, copy, modify, and distribute this software for any
7ff772f70Snicm * purpose with or without fee is hereby granted, provided that the above
8ff772f70Snicm * copyright notice and this permission notice appear in all copies.
9ff772f70Snicm *
10ff772f70Snicm * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11ff772f70Snicm * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12ff772f70Snicm * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13ff772f70Snicm * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14ff772f70Snicm * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15ff772f70Snicm * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16ff772f70Snicm * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17ff772f70Snicm */
18ff772f70Snicm
19ff772f70Snicm #include <sys/types.h>
20ff772f70Snicm
21ff772f70Snicm #include <ctype.h>
22ff772f70Snicm #include <errno.h>
23ff772f70Snicm #include <limits.h>
24ff772f70Snicm #include <stdarg.h>
25ff772f70Snicm #include <stdio.h>
26ff772f70Snicm #include <stdlib.h>
27ff772f70Snicm #include <string.h>
28ff772f70Snicm
29ff772f70Snicm #include "magic.h"
30ff772f70Snicm
31ff772f70Snicm char *
magic_strtoull(const char * s,uint64_t * u)32ff772f70Snicm magic_strtoull(const char *s, uint64_t *u)
33ff772f70Snicm {
34ff772f70Snicm char *endptr;
35ff772f70Snicm
36*14b82553Snicm if (*s == '-' || *s == '\0')
37ff772f70Snicm return (NULL);
38*14b82553Snicm
39ff772f70Snicm errno = 0;
40ff772f70Snicm *u = strtoull(s, &endptr, 0);
41*14b82553Snicm if (endptr == s)
42*14b82553Snicm *u = strtoull(s, &endptr, 16);
43ff772f70Snicm if (errno == ERANGE && *u == ULLONG_MAX)
44ff772f70Snicm return (NULL);
45ff772f70Snicm if (*endptr == 'L')
46ff772f70Snicm endptr++;
47ff772f70Snicm return (endptr);
48ff772f70Snicm }
49ff772f70Snicm
50ff772f70Snicm char *
magic_strtoll(const char * s,int64_t * i)51ff772f70Snicm magic_strtoll(const char *s, int64_t *i)
52ff772f70Snicm {
53ff772f70Snicm char *endptr;
54ff772f70Snicm
55ff772f70Snicm if (*s == '\0')
56ff772f70Snicm return (NULL);
57*14b82553Snicm
58*14b82553Snicm errno = 0;
59*14b82553Snicm *i = strtoll(s, &endptr, 0);
60*14b82553Snicm if (endptr == s)
61*14b82553Snicm *i = strtoll(s, &endptr, 16);
62ff772f70Snicm if (errno == ERANGE && *i == LLONG_MAX)
63ff772f70Snicm return (NULL);
64ff772f70Snicm if (*endptr == 'L')
65ff772f70Snicm endptr++;
66ff772f70Snicm return (endptr);
67ff772f70Snicm }
68ff772f70Snicm
69ff772f70Snicm void
magic_vwarnm(struct magic * m,u_int line,const char * fmt,va_list ap)705c6c4bceSnicm magic_vwarnm(struct magic *m, u_int line, const char *fmt, va_list ap)
715c6c4bceSnicm {
725c6c4bceSnicm char *msg;
735c6c4bceSnicm
745c6c4bceSnicm if (!m->warnings)
755c6c4bceSnicm return;
765c6c4bceSnicm
775c6c4bceSnicm if (vasprintf(&msg, fmt, ap) == -1)
785c6c4bceSnicm return;
795c6c4bceSnicm fprintf(stderr, "%s:%u: %s\n", m->path, line, msg);
805c6c4bceSnicm free(msg);
815c6c4bceSnicm }
825c6c4bceSnicm
835c6c4bceSnicm void
magic_warnm(struct magic * m,u_int line,const char * fmt,...)845c6c4bceSnicm magic_warnm(struct magic *m, u_int line, const char *fmt, ...)
855c6c4bceSnicm {
865c6c4bceSnicm va_list ap;
875c6c4bceSnicm
885c6c4bceSnicm va_start(ap, fmt);
895c6c4bceSnicm magic_vwarnm (m, line, fmt, ap);
905c6c4bceSnicm va_end(ap);
915c6c4bceSnicm }
925c6c4bceSnicm
935c6c4bceSnicm void
magic_warn(struct magic_line * ml,const char * fmt,...)94ff772f70Snicm magic_warn(struct magic_line *ml, const char *fmt, ...)
95ff772f70Snicm {
96ff772f70Snicm va_list ap;
97ff772f70Snicm
98ff772f70Snicm va_start(ap, fmt);
995c6c4bceSnicm magic_vwarnm (ml->root, ml->line, fmt, ap);
100ff772f70Snicm va_end(ap);
101ff772f70Snicm }
102