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show: Beautify output of the -c data dump

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Calculate the best width for address and print them all with it.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov 2012-04-29 09:05:21 +04:00
parent f3e8977c73
commit ef2bd77ebd
1 changed files with 16 additions and 2 deletions
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18
cr-show.c
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@ -254,12 +254,26 @@ void show_vmas(int fd_vma, struct cr_options *o)
pr_img_tail(CR_FD_VMAS); pr_img_tail(CR_FD_VMAS);
} }
static int nice_width_for(unsigned long addr)
{
int ret = 3;
while (addr) {
addr >>= 4;
ret++;
}
return ret;
}
void print_data(unsigned long addr, unsigned char *data, size_t size) void print_data(unsigned long addr, unsigned char *data, size_t size)
{ {
int i, j; int i, j, addr_len;
addr_len = nice_width_for(addr + size);
for (i = 0; i < size; i+= 16) { for (i = 0; i < size; i+= 16) {
pr_msg("0x%16lx: ", addr + i); pr_msg("%#0*lx: ", addr_len, addr + i);
for (j = 0; j < 8; j++) for (j = 0; j < 8; j++)
pr_msg("0x%02x ", data[i + j]); pr_msg("0x%02x ", data[i + j]);
pr_msg(" "); pr_msg(" ");