Add _buf() functions to bypass static string buffers
We have a number of static buffers in use in libosmo*. This means
the related functions are not usable in a thread-safe way. While
we so far don't have many multi-threaded programs in the osmocom
universe, the static buffers also prevent us from calling the same
e.g. string-ify function twice within a single printf() call.
Let's make sure there's an alternative function in all those cases,
where the user can pass in a caller-allocated buffer + size, and make
the 'classic' function with the static buffer a wrapper around that
_buf() variant.
Change-Id: Ibf85f79e93244f53b2684ff6f1095c5b41203e05
diff --git a/include/osmocom/core/msgb.h b/include/osmocom/core/msgb.h
index 5029225..0c51ce2 100644
--- a/include/osmocom/core/msgb.h
+++ b/include/osmocom/core/msgb.h
@@ -67,6 +67,7 @@
extern void msgb_reset(struct msgb *m);
uint16_t msgb_length(const struct msgb *msg);
extern const char *msgb_hexdump(const struct msgb *msg);
+char *msgb_hexdump_buf(char *buf, size_t buf_len, const struct msgb *msg);
extern int msgb_resize_area(struct msgb *msg, uint8_t *area,
int old_size, int new_size);
extern struct msgb *msgb_copy(const struct msgb *msg, const char *name);
diff --git a/include/osmocom/core/utils.h b/include/osmocom/core/utils.h
index e3728cd..6a2b7d5 100644
--- a/include/osmocom/core/utils.h
+++ b/include/osmocom/core/utils.h
@@ -53,6 +53,7 @@
int osmo_hexparse(const char *str, uint8_t *b, int max_len);
+char *osmo_ubit_dump_buf(char *buf, size_t buf_len, const uint8_t *bits, unsigned int 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);
@@ -139,7 +140,7 @@
const char *osmo_escape_str(const char *str, int len);
char *osmo_escape_str_buf(const char *str, int in_len, char *buf, size_t bufsize);
const char *osmo_quote_str(const char *str, int in_len);
-const char *osmo_quote_str_buf(const char *str, int in_len, char *buf, size_t bufsize);
+char *osmo_quote_str_buf(const char *str, int in_len, char *buf, size_t bufsize);
uint32_t osmo_isqrt32(uint32_t x);