From 6ff66f50f0999c3455c39de68fc2d2949963c796 Mon Sep 17 00:00:00 2001 From: Peter Crosthwaite Date: Fri, 15 Mar 2013 16:41:58 +0000 Subject: iov: Factor out hexdumper Factor out the hexdumper functionality from iov for all to use. Useful for creating verbose debug printfery that dumps packet data. Signed-off-by: Peter Crosthwaite Message-id: faaac219c55ea586d3f748befaf5a2788fd271b8.1361853677.git.peter.crosthwaite@xilinx.com Signed-off-by: Peter Maydell --- util/iov.c | 36 +++++++++++------------------------- 1 file changed, 11 insertions(+), 25 deletions(-) (limited to 'util/iov.c') diff --git a/util/iov.c b/util/iov.c index fbe675d373..9dae318197 100644 --- a/util/iov.c +++ b/util/iov.c @@ -201,32 +201,18 @@ ssize_t iov_send_recv(int sockfd, struct iovec *iov, unsigned iov_cnt, void iov_hexdump(const struct iovec *iov, const unsigned int iov_cnt, FILE *fp, const char *prefix, size_t limit) { - unsigned int i, v, b; - uint8_t *c; - - c = iov[0].iov_base; - for (i = 0, v = 0, b = 0; b < limit; i++, b++) { - if (i == iov[v].iov_len) { - i = 0; v++; - if (v == iov_cnt) { - break; - } - c = iov[v].iov_base; - } - if ((b % 16) == 0) { - fprintf(fp, "%s: %04x:", prefix, b); - } - if ((b % 4) == 0) { - fprintf(fp, " "); - } - fprintf(fp, " %02x", c[i]); - if ((b % 16) == 15) { - fprintf(fp, "\n"); - } - } - if ((b % 16) != 0) { - fprintf(fp, "\n"); + int v; + size_t size = 0; + char *buf; + + for (v = 0; v < iov_cnt; v++) { + size += iov[v].iov_len; } + size = size > limit ? limit : size; + buf = g_malloc(size); + iov_to_buf(iov, iov_cnt, 0, buf, size); + hexdump(buf, fp, prefix, size); + g_free(buf); } unsigned iov_copy(struct iovec *dst_iov, unsigned int dst_iov_cnt, -- cgit v1.2.3-55-g7522