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perf tools: Introduce binary__fprintf()

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Out of print_binary() but receiving a fp pointer and expecting that the
printer be a fprintf like function, i.e. receive a FILE pointer and
return the number of characters printed.

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>
Cc: yuzhoujian <yuzhoujian@didichuxing.com>
Link: http://lkml.kernel.org/n/tip-6oqnxr6lmgqe6q6p3iugnscx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2017-10-17 10:35:00 -03:00
parent 7958e54149
commit 923d0c9ae5
5 changed files with 70 additions and 55 deletions
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30
tools/perf/util/print_binary.c
View File

@@ -2,40 +2,42 @@
#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)
int binary__fprintf(unsigned char *data, size_t len,
size_t bytes_per_line, binary__fprintf_t printer,
void *extra, FILE *fp)
{
size_t i, j, mask;
int printed = 0;
if (!printer)
return;
return 0;
bytes_per_line = roundup_pow_of_two(bytes_per_line);
mask = bytes_per_line - 1;
printer(BINARY_PRINT_DATA_BEGIN, 0, extra);
printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp);
for (i = 0; i < len; i++) {
if ((i & mask) == 0) {
printer(BINARY_PRINT_LINE_BEGIN, -1, extra);
printer(BINARY_PRINT_ADDR, i, extra);
printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp);
printed += printer(BINARY_PRINT_ADDR, i, extra, fp);
}
printer(BINARY_PRINT_NUM_DATA, data[i], extra);
printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp);
if (((i & mask) == mask) || i == len - 1) {
for (j = 0; j < mask-(i & mask); j++)
printer(BINARY_PRINT_NUM_PAD, -1, extra);
printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp);
printer(BINARY_PRINT_SEP, i, extra);
printer(BINARY_PRINT_SEP, i, extra, fp);
for (j = i & ~mask; j <= i; j++)
printer(BINARY_PRINT_CHAR_DATA, data[j], extra);
printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp);
for (j = 0; j < mask-(i & mask); j++)
printer(BINARY_PRINT_CHAR_PAD, i, extra);
printer(BINARY_PRINT_LINE_END, -1, extra);
printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp);
printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp);
}
}
printer(BINARY_PRINT_DATA_END, -1, extra);
printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp);
return printed;
}
int is_printable_array(char *p, unsigned int len)