From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59368) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <109lozanoi@gmail.com>) id 1ajP9X-00082G-32 for qemu-devel@nongnu.org; Fri, 25 Mar 2016 06:39:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <109lozanoi@gmail.com>) id 1ajP9V-0001ZH-Ts for qemu-devel@nongnu.org; Fri, 25 Mar 2016 06:39:38 -0400 Received: from mail-pa0-x242.google.com ([2607:f8b0:400e:c03::242]:35351) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <109lozanoi@gmail.com>) id 1ajP9V-0001Yp-NG for qemu-devel@nongnu.org; Fri, 25 Mar 2016 06:39:37 -0400 Received: by mail-pa0-x242.google.com with SMTP id fl4so6198410pad.2 for ; Fri, 25 Mar 2016 03:39:37 -0700 (PDT) From: Isaac Lozano <109lozanoi@gmail.com> Date: Fri, 25 Mar 2016 03:42:15 -0700 Message-Id: <1458902535-9715-1-git-send-email-109lozanoi@gmail.com> Subject: [Qemu-devel] [PATCH v2] util: Improved qemu_hexmap() to include an ascii dump of the buffer List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.crosthwaite@xilinx.com, jasowang@redhat.com, thuth@redhat.com, kraxel@redhat.com, Isaac Lozano <109lozanoi@gmail.com>, jsnow@redhat.com qemu_hexdump() in util/hexdump.c has been changed to give also include a ascii dump of the buffer. Also, calls to hex_dump() in net/net.c have been replaced with calls to qemu_hexdump(). This takes care of two misc BiteSized Tasks. Signed-off-by: Isaac Lozano <109lozanoi@gmail.com> --- v2: Fixed code-style and made debug line smaller. net/net.c | 30 +----------------------------- util/hexdump.c | 33 ++++++++++++++++++++++----------- 2 files changed, 23 insertions(+), 40 deletions(-) diff --git a/net/net.c b/net/net.c index 1a78edf..9bc9ad3 100644 --- a/net/net.c +++ b/net/net.c @@ -79,34 +79,6 @@ int default_net = 1; /***********************************************************/ /* network device redirectors */ -#if defined(DEBUG_NET) -static void hex_dump(FILE *f, const uint8_t *buf, int size) -{ - int len, i, j, c; - - for(i=0;i 16) - len = 16; - fprintf(f, "%08x ", i); - for(j=0;j<16;j++) { - if (j < len) - fprintf(f, " %02x", buf[i+j]); - else - fprintf(f, " "); - } - fprintf(f, " "); - for(j=0;j '~') - c = '.'; - fprintf(f, "%c", c); - } - fprintf(f, "\n"); - } -} -#endif - static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) { const char *p, *p1; @@ -662,7 +634,7 @@ static ssize_t qemu_send_packet_async_with_flags(NetClientState *sender, #ifdef DEBUG_NET printf("qemu_send_packet_async:\n"); - hex_dump(stdout, buf, size); + qemu_hexdump((const char *)buf, stdout, "net", size); #endif if (sender->link_down || !sender->peer) { diff --git a/util/hexdump.c b/util/hexdump.c index 1d9c129..f879ff0 100644 --- a/util/hexdump.c +++ b/util/hexdump.c @@ -18,21 +18,32 @@ void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size) { - unsigned int b; + unsigned int b, len, i, c; - for (b = 0; b < size; b++) { - if ((b % 16) == 0) { - fprintf(fp, "%s: %04x:", prefix, b); + for (b = 0; b < size; b += 16) { + len = size - b; + if (len > 16) { + len = 16; } - if ((b % 4) == 0) { - fprintf(fp, " "); + fprintf(fp, "%s: %04x:", prefix, b); + for (i = 0; i < 16; i++) { + if ((i % 4) == 0) { + fprintf(fp, " "); + } + if (i < len) { + fprintf(fp, " %02x", (unsigned char)buf[b + i]); + } else { + fprintf(fp, " "); + } } - fprintf(fp, " %02x", (unsigned char)buf[b]); - if ((b % 16) == 15) { - fprintf(fp, "\n"); + fprintf(fp, " "); + for (i = 0; i < len; i++) { + c = buf[b + i]; + if (c < ' ' || c > '~') { + c = '.'; + } + fprintf(fp, "%c", c); } - } - if ((b % 16) != 0) { fprintf(fp, "\n"); } } -- 2.7.2