X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=lib%2Futil%2Futil.c;h=36d45b8438b4961a9689c7ad2578fa4d0eaabd16;hp=a18926c1ac74c9446629d0ad01199db467c9d449;hb=HEAD;hpb=675d604772d99346e804b120c0c27cced985899a diff --git a/lib/util/util.c b/lib/util/util.c index a18926c..36d45b8 100644 --- a/lib/util/util.c +++ b/lib/util/util.c @@ -19,6 +19,7 @@ #include #include +#include static const char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', }; @@ -47,3 +48,19 @@ void mac_str(uint8_t *mac, unsigned int maclen, char *buf, unsigned int buflen) return; } + +char *format_buffer(void *ctx, const uint8_t *buf, unsigned int len) +{ + char *str; + unsigned int i; + + if (len == 0) + return ""; + + str = talloc_asprintf(ctx, "0x%02x%s", buf[0], len > 1 ? " " : ""); + for (i = 1; i < len; i++) + str = talloc_asprintf_append(str, "0x%02x%s", buf[i], + ((i + 1) % 8 == 0 && i != len - 1) ? "\n" : " "); + + return str; +}