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eal: align hexdump output

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This fixes the issue where if the length of the output is not
a multiple of 16 the formatting was off.

Before:
00000000: 45 00 00 1C 12 34 2C E0 40 06 B8 2E C0 A8 01 12 | E....4,.@.......
00000010: C0 A8 01 37 |  |  |  |  |  |  |  |  |  |  |  |  | ...7

After:
00000000: 45 00 00 1C 12 34 2C E0 40 06 B8 2E C0 A8 01 12 | E....4,.@.......
00000010: C0 A8 01 37                                     | ...7

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2019-04-02 08:23:50 -07:00 committed by Thomas Monjalon
parent 779d9d0986
commit d0885cb781
1 changed files with 9 additions and 2 deletions
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11
lib/librte_eal/common/eal_common_hexdump.c
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@ -23,9 +23,16 @@ rte_hexdump(FILE *f, const char *title, const void *buf, unsigned int len)
while (ofs < len) {
/* format the line in the buffer */
out = snprintf(line, LINE_LEN, "%08X:", ofs);
for (i = 0; i < 16 && ofs + i < len; i++)
out += snprintf(line + out, LINE_LEN - out,
for (i = 0; i < 16; i++) {
if (ofs + i < len)
snprintf(line + out, LINE_LEN - out,
" %02X", (data[ofs + i] & 0xff));
else
strcpy(line + out, " ");
out += 3;
}
for (; i <= 16; i++)
out += snprintf(line + out, LINE_LEN - out, " | ");