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linux-next/tools/perf/util/print_binary.c
Arnaldo Carvalho de Melo fea013928c perf tools: Move print_binary definitions to separate files
Continuing the split of util.[ch] into more manageable bits.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-5eu367rwcwnvvn7fz09l7xpb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-19 13:01:50 -03:00

56 lines
1.2 KiB
C

#include "print_binary.h"
#include <linux/log2.h>
#include "sane_ctype.h"
void print_binary(unsigned char *data, size_t len,
size_t bytes_per_line, print_binary_t printer,
void *extra)
{
size_t i, j, mask;
if (!printer)
return;
bytes_per_line = roundup_pow_of_two(bytes_per_line);
mask = bytes_per_line - 1;
printer(BINARY_PRINT_DATA_BEGIN, 0, extra);
for (i = 0; i < len; i++) {
if ((i & mask) == 0) {
printer(BINARY_PRINT_LINE_BEGIN, -1, extra);
printer(BINARY_PRINT_ADDR, i, extra);
}
printer(BINARY_PRINT_NUM_DATA, data[i], extra);
if (((i & mask) == mask) || i == len - 1) {
for (j = 0; j < mask-(i & mask); j++)
printer(BINARY_PRINT_NUM_PAD, -1, extra);
printer(BINARY_PRINT_SEP, i, extra);
for (j = i & ~mask; j <= i; j++)
printer(BINARY_PRINT_CHAR_DATA, data[j], extra);
for (j = 0; j < mask-(i & mask); j++)
printer(BINARY_PRINT_CHAR_PAD, i, extra);
printer(BINARY_PRINT_LINE_END, -1, extra);
}
}
printer(BINARY_PRINT_DATA_END, -1, extra);
}
int is_printable_array(char *p, unsigned int len)
{
unsigned int i;
if (!p || !len || p[len - 1] != 0)
return 0;
len--;
for (i = 0; i < len; i++) {
if (!isprint(p[i]) && !isspace(p[i]))
return 0;
}
return 1;
}