X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/137dd5826ed8d69b8eb00f1a6bcdbbecf6b072e2..ab0582d672e1c2cbb1a49652cc8358218f672244:/client/util.c?ds=inline diff --git a/client/util.c b/client/util.c index 92b0e7a6..b7f07bde 100644 --- a/client/util.c +++ b/client/util.c @@ -111,6 +111,31 @@ void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount) sprintf(fnameptr, "%s", ext); } +void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len, const size_t hex_max_len, + const size_t min_str_len, const size_t spaces_between, bool uppercase) { + + char *tmp = (char *)buf; + size_t i; + + int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len; + + for (i = 0; i < maxLen; ++i, tmp += 2 + spaces_between) { + sprintf(tmp, (uppercase) ? "%02X" : "%02x", (unsigned int) hex_data[i]); + + for (int j = 0; j < spaces_between; j++) + sprintf(tmp + 2 + j, " "); + } + + i *= (2 + spaces_between); + int minStrLen = min_str_len > i ? min_str_len : 0; + if (minStrLen > hex_max_len) + minStrLen = hex_max_len; + for(; i < minStrLen; i++, tmp += 1) + sprintf(tmp, " "); + + return; +} + // printing and converting functions void print_hex(const uint8_t * data, const size_t len) @@ -141,33 +166,17 @@ void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) { } char *sprint_hex(const uint8_t *data, const size_t len) { + static char buf[1025] = {0}; - int maxLen = ( len > 1024/3) ? 1024/3 : len; - static char buf[1024]; - memset(buf, 0x00, 1024); - char *tmp = buf; - size_t i; - - for (i=0; i < maxLen; ++i, tmp += 3) - sprintf(tmp, "%02x ", (unsigned int) data[i]); + hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, 0, 1, false); return buf; } char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) { - - int maxLen = ( len > 1024/2) ? 1024/2 : len; - static char buf[1024] = {0}; - char *tmp = buf; - size_t i; + static char buf[1025] = {0}; - for (i = 0; i < maxLen; ++i, tmp += 2) - sprintf(tmp, "%02x", (unsigned int) data[i]); - - i *= 2; - int minStrLen = min_str_len > i ? min_str_len : 0; - for(; i < minStrLen; i++, tmp += 1) - sprintf(tmp, " "); + hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, min_str_len, 0, false); return buf; }