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Diffstat (limited to 'util/ldid-xerub/minimal/hexdump.h')
| -rw-r--r-- | util/ldid-xerub/minimal/hexdump.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/util/ldid-xerub/minimal/hexdump.h b/util/ldid-xerub/minimal/hexdump.h new file mode 100644 index 000000000..a8df7d8a0 --- /dev/null +++ b/util/ldid-xerub/minimal/hexdump.h @@ -0,0 +1,76 @@ +/* Minimal - the simplest thing that could possibly work + * Copyright (C) 2007 Jay Freeman (saurik) +*/ + +/* + * Redistribution and use in source and binary + * forms, with or without modification, are permitted + * provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the + * above copyright notice, this list of conditions + * and the following disclaimer. + * 2. Redistributions in binary form must reproduce the + * above copyright notice, this list of conditions + * and the following disclaimer in the documentation + * and/or other materials provided with the + * distribution. + * 3. The name of the author may not be used to endorse + * or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef MINIMAL_HEXDUMP_H +#define MINIMAL_HEXDUMP_H + +#include "minimal/stdlib.h" + +_disused static char hexchar(uint8_t value) { + return value < 0x20 || value >= 0x80 ? '.' : value; +} + +#define HexWidth_ 12 + +_disused static void hexdump(const char *mark, const uint8_t *data, size_t size) { + size_t i = 0, j; + + while (i != size) { + if (i % HexWidth_ == 0) + printf("[%s] 0x%.3zx:", mark, i); + + printf(" %.2x", data[i]); + + if (++i % HexWidth_ == 0) { + printf(" "); + for (j = i - HexWidth_; j != i; ++j) + printf("%c", hexchar(data[j])); + printf("\n"); + } + } + + if (i % HexWidth_ != 0) { + for (j = i % HexWidth_; j != HexWidth_; ++j) + printf(" "); + printf(" "); + for (j = i / HexWidth_ * HexWidth_; j != i; ++j) + printf("%c", hexchar(data[j])); + printf("\n"); + } +} + +#endif/*MINIMAL_HEXDUMP_H*/
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