| Message ID | 20180816153106.7608-3-stephen@networkplumber.org |
|---|---|
| State | New |
| Delegated to: | Thomas Monjalon |
| Headers | show |
| Series |
|
| Related | show |
| Context | Check | Description |
|---|---|---|
| ci/Intel-compilation | success | Compilation OK |
| ci/checkpatch | warning | coding style issues |
On Thu, 16 Aug 2018 08:31:06 -0700 Stephen Hemminger <stephen@networkplumber.org> wrote: > 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> > --- > lib/librte_eal/common/eal_common_hexdump.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/lib/librte_eal/common/eal_common_hexdump.c b/lib/librte_eal/common/eal_common_hexdump.c > index 980cf73ac337..19c2d86c693e 100644 > --- a/lib/librte_eal/common/eal_common_hexdump.c > +++ b/lib/librte_eal/common/eal_common_hexdump.c > @@ -22,9 +22,16 @@ void 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, " | "); > Nevermind, this version. The last two lines are dead code after tha patch and could be dropped.
diff --git a/lib/librte_eal/common/eal_common_hexdump.c b/lib/librte_eal/common/eal_common_hexdump.c index 980cf73ac337..19c2d86c693e 100644 --- a/lib/librte_eal/common/eal_common_hexdump.c +++ b/lib/librte_eal/common/eal_common_hexdump.c @@ -22,9 +22,16 @@ void 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, " | ");
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> --- lib/librte_eal/common/eal_common_hexdump.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)