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/* $OpenBSD: magic-common.c,v 1.3 2015/08/11 22:29:25 nicm Exp $ */ |
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/* |
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* Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <ctype.h> |
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#include <errno.h> |
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#include <limits.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "magic.h" |
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char * |
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magic_strtoull(const char *s, uint64_t *u) |
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{ |
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char *endptr; |
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if (*s == '-' || *s == '\0') |
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return (NULL); |
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errno = 0; |
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*u = strtoull(s, &endptr, 0); |
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if (endptr == s) |
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*u = strtoull(s, &endptr, 16); |
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if (errno == ERANGE && *u == ULLONG_MAX) |
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return (NULL); |
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if (*endptr == 'L') |
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endptr++; |
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return (endptr); |
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} |
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char * |
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magic_strtoll(const char *s, int64_t *i) |
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{ |
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char *endptr; |
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if (*s == '\0') |
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return (NULL); |
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errno = 0; |
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*i = strtoll(s, &endptr, 0); |
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if (endptr == s) |
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*i = strtoll(s, &endptr, 16); |
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if (errno == ERANGE && *i == LLONG_MAX) |
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return (NULL); |
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if (*endptr == 'L') |
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endptr++; |
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return (endptr); |
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} |
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void |
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magic_vwarnm(struct magic *m, u_int line, const char *fmt, va_list ap) |
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{ |
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char *msg; |
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if (!m->warnings) |
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return; |
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if (vasprintf(&msg, fmt, ap) == -1) |
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return; |
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fprintf(stderr, "%s:%u: %s\n", m->path, line, msg); |
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free(msg); |
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} |
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void |
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magic_warnm(struct magic *m, u_int line, const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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magic_vwarnm (m, line, fmt, ap); |
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va_end(ap); |
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} |
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void |
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magic_warn(struct magic_line *ml, const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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magic_vwarnm (ml->root, ml->line, fmt, ap); |
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va_end(ap); |
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} |