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Annotation of src/usr.bin/file/magic-common.c, Revision 1.3

1.3     ! nicm        1: /* $OpenBSD: magic-common.c,v 1.2 2015/08/11 21:42:16 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
                     21: #include <ctype.h>
                     22: #include <errno.h>
                     23: #include <limits.h>
                     24: #include <stdarg.h>
                     25: #include <stdio.h>
                     26: #include <stdlib.h>
                     27: #include <string.h>
                     28:
                     29: #include "magic.h"
                     30:
                     31: char *
                     32: magic_strtoull(const char *s, uint64_t *u)
                     33: {
                     34:        char    *endptr;
                     35:
1.3     ! nicm       36:        if (*s == '-' || *s == '\0')
1.1       nicm       37:                return (NULL);
1.3     ! nicm       38:
1.1       nicm       39:        errno = 0;
                     40:        *u = strtoull(s, &endptr, 0);
1.3     ! nicm       41:        if (endptr == s)
        !            42:                *u = strtoull(s, &endptr, 16);
1.1       nicm       43:        if (errno == ERANGE && *u == ULLONG_MAX)
                     44:                return (NULL);
                     45:        if (*endptr == 'L')
                     46:                endptr++;
                     47:        return (endptr);
                     48: }
                     49:
                     50: char *
                     51: magic_strtoll(const char *s, int64_t *i)
                     52: {
                     53:        char    *endptr;
                     54:
1.3     ! nicm       55:        if (*s == '\0')
        !            56:                return (NULL);
        !            57:
1.1       nicm       58:        errno = 0;
                     59:        *i = strtoll(s, &endptr, 0);
1.3     ! nicm       60:        if (endptr == s)
        !            61:                *i = strtoll(s, &endptr, 16);
1.1       nicm       62:        if (errno == ERANGE && *i == LLONG_MAX)
                     63:                return (NULL);
                     64:        if (*endptr == 'L')
                     65:                endptr++;
                     66:        return (endptr);
                     67: }
                     68:
                     69: void
1.2       nicm       70: magic_vwarnm(struct magic *m, u_int line, const char *fmt, va_list ap)
1.1       nicm       71: {
                     72:        char    *msg;
                     73:
1.2       nicm       74:        if (!m->warnings)
1.1       nicm       75:                return;
                     76:
1.2       nicm       77:        if (vasprintf(&msg, fmt, ap) == -1)
                     78:                return;
                     79:        fprintf(stderr, "%s:%u: %s\n", m->path, line, msg);
                     80:        free(msg);
                     81: }
                     82:
                     83: void
                     84: magic_warnm(struct magic *m, u_int line, const char *fmt, ...)
                     85: {
                     86:        va_list  ap;
                     87:
1.1       nicm       88:        va_start(ap, fmt);
1.2       nicm       89:        magic_vwarnm (m, line, fmt, ap);
1.1       nicm       90:        va_end(ap);
1.2       nicm       91: }
                     92:
                     93: void
                     94: magic_warn(struct magic_line *ml, const char *fmt, ...)
                     95: {
                     96:        va_list  ap;
1.1       nicm       97:
1.2       nicm       98:        va_start(ap, fmt);
                     99:        magic_vwarnm (ml->root, ml->line, fmt, ap);
                    100:        va_end(ap);
1.1       nicm      101: }