hactool/utils.c

#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#ifdef _WIN32
#include <direct.h>
#endif
#include "utils.h"

uint32_t align(uint32_t offset, uint32_t alignment) {
    uint32_t mask = ~(alignment-1);

    return (offset + (alignment-1)) & mask;
}

uint64_t align64(uint64_t offset, uint64_t alignment) {
    uint64_t mask = ~(uint64_t)(alignment-1);

    return (offset + (alignment-1)) & mask;
}

/* Print a magic number. */
void print_magic(const char *prefix, uint32_t magic) {
    printf("%s%c%c%c%c\n", prefix, (char)((magic >> 0) & 0xFF), (char)((magic >> 8) & 0xFF), (char)((magic >> 16) & 0xFF), (char)((magic >> 24) & 0xFF));
}


/* Taken mostly from ctrtool. */
void memdump(FILE *f, const char *prefix, const void *data, size_t size) {
    uint8_t *p = (uint8_t *)data;

    unsigned int prefix_len = strlen(prefix);
    size_t offset = 0;
    int first = 1;

    while (size) {
        unsigned int max = 32;

        if (max > size) {
            max = size;
        }

        if (first) {
            fprintf(f, "%s", prefix);
            first = 0;
        } else {
            fprintf(f, "%*s", prefix_len, "");
        }

        for (unsigned int i = 0; i < max; i++) {
            fprintf(f, "%02X", p[offset++]);
        }

        fprintf(f, "\n");

        size -= max;
    }
}