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authorNeels Hofmeyr <neels@hofmeyr.de>2019-01-14 23:32:53 +0100
committerNeels Hofmeyr <nhofmeyr@sysmocom.de>2019-01-28 23:58:53 +0000
commit0423b61aa8dd75b3141e13cf9276b8fa14ceb473 (patch)
tree8437f60dc6f6f817f96f3118db61bf91383cbd7a /include/osmocom/core
parentd01ef75ab876d79c9a0a73cdefb4ccfc60bb47f8 (diff)
add osmo_hexdump_buf() and test
Add osmo_hexdump_buf() as an all-purpose hexdump function, which all other osmo_hexdump_*() implementations now call. It absorbs the static _osmo_hexdump(). Add tests for osmo_hexdump_buf(). Rationale: recently during patch review, a situation came up where two hexdumps in a single printf would have been useful. Now I've faced a similar situation again, in ongoing development. So I decided it is time to provide this API. The traditional osmo_hexdump() API returns a non-const char*, which should probably have been a const instead. Particularly this new function may return a string constant "" if the buf is NULL or empty, so return const char*. That is why the older implementations calling osmo_hexdump_buf() separately return the buffer instead of the const return value directly. Change-Id: I590595567b218b24e53c9eb1fd8736c0324d371d
Diffstat (limited to 'include/osmocom/core')
-rw-r--r--include/osmocom/core/utils.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/osmocom/core/utils.h b/include/osmocom/core/utils.h
index 987080e..fe360b3 100644
--- a/include/osmocom/core/utils.h
+++ b/include/osmocom/core/utils.h
@@ -56,6 +56,9 @@ int osmo_hexparse(const char *str, uint8_t *b, int max_len);
char *osmo_ubit_dump(const uint8_t *bits, unsigned int len);
char *osmo_hexdump(const unsigned char *buf, int len);
char *osmo_hexdump_nospc(const unsigned char *buf, int len);
+const char *osmo_hexdump_buf(char *out_buf, size_t out_buf_size, const unsigned char *buf, int len, const char *delim,
+ bool delim_after_last);
+
char *osmo_osmo_hexdump_nospc(const unsigned char *buf, int len) __attribute__((__deprecated__));
#define osmo_static_assert(exp, name) typedef int dummy##name [(exp) ? 1 : -1] __attribute__((__unused__));