diff options
| -rw-r--r-- | cpukit/libmisc/dumpbuf/dumpbuf.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/cpukit/libmisc/dumpbuf/dumpbuf.c b/cpukit/libmisc/dumpbuf/dumpbuf.c index 2f2cd10895..a27d685f72 100644 --- a/cpukit/libmisc/dumpbuf/dumpbuf.c +++ b/cpukit/libmisc/dumpbuf/dumpbuf.c @@ -70,6 +70,8 @@ void rtems_print_buffer(const unsigned char *buffer, const int length) } } +static char const hexlist[] = "0123456789abcdef"; + /** * @brief Print \p length bytes from \p buffer, both in hex and ASCII. * @details Non-printable chars will appear as dots. @@ -80,35 +82,39 @@ void rtems_print_buffer(const unsigned char *buffer, const int length) static void Dump_Line(const unsigned char *buffer, const unsigned int length) { unsigned int i; - static char line_buffer[ROW_LENGTH] = ""; - size_t tmp_len; /* Output the hex value of each byte. */ for (i = 0; i < length; ++i) { - snprintf(&line_buffer[i * HEX_FMT_LENGTH], HEX_FMT_LENGTH + 1, - "%02x ", buffer[i]); + unsigned char c = buffer[i]; + + rtems_putc(hexlist[(c >> 4) & 0xf]); + rtems_putc(hexlist[0xf]); + rtems_putc(' '); } /* Fill the remaining space with whitespace (if necessary). */ for (; i < BYTES_PER_ROW; ++i) { - strncat(line_buffer, " ", HEX_FMT_LENGTH); + rtems_putc(' '); + rtems_putc(' '); + rtems_putc(' '); } /* Append a bar. */ - strncat(line_buffer, "|", 1); - tmp_len = strnlen(line_buffer, ROW_LENGTH); + rtems_putc('|'); /* Now output the ASCII glyphs of printable chars. */ for (i = 0; i < length; ++i) { - snprintf(&line_buffer[tmp_len + i], ASCII_FMT_LENGTH + 1, - "%c", isprint(buffer[i]) ? buffer[i] : '.'); + unsigned char c = buffer[i]; + + rtems_putc(isprint(c) ? c : '.'); } /* Fill the remaining space with whitespace (if necessary). */ for(; i < BYTES_PER_ROW; i++) { - strncat(line_buffer, " ", ASCII_FMT_LENGTH); + rtems_putc(' '); } /* Append another bar and print the resulting string. */ - printk("%s|\n", line_buffer); + rtems_putc('|'); + rtems_putc('\n'); } |