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authorOleksandr Byelkin <sanja@mariadb.com>2020-05-20 13:34:51 +0200
committerOleksandr Byelkin <sanja@mariadb.com>2020-05-22 10:25:05 +0200
commitc4e5d2f9bdb6065ab381bdd84a03382eaa8b700e (patch)
tree38cbb8b3dea1b758a055a401d7bbe9c4dd5f7ac2 /include/mysql/service_my_snprintf.h
parente380f447421882d8a0700e8821e55e2786b426ad (diff)
downloadmariadb-git-bb-10.2-MDEV-22545.tar.gz
MDEV-22545: my_vsnprintf behaves not as in C standardbb-10.2-MDEV-22545
Added parameter %T for string which should be visibly truncated.
Diffstat (limited to 'include/mysql/service_my_snprintf.h')
-rw-r--r--include/mysql/service_my_snprintf.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/mysql/service_my_snprintf.h b/include/mysql/service_my_snprintf.h
index bd1f069c527..6757a658fb6 100644
--- a/include/mysql/service_my_snprintf.h
+++ b/include/mysql/service_my_snprintf.h
@@ -55,7 +55,8 @@
Supported formats are 's' (null pointer is accepted, printed as
"(null)"), 'b' (extension, see below), 'c', 'd', 'i', 'u', 'x', 'o',
- 'X', 'p' (works as 0x%x), 'f', 'g', 'M' (extension, see below).
+ 'X', 'p' (works as 0x%x), 'f', 'g', 'M' (extension, see below),
+ 'T' (extension, see below).
Standard syntax for positional arguments $n is supported.
@@ -69,6 +70,9 @@
Format 'M': takes one integer, prints this integer, space, double quote
error message, double quote. In other words
printf("%M", n) === printf("%d \"%s\"", n, strerror(n))
+
+ Format 'T': takes string and print it like s but if the strints should be
+ truncated puts "..." at the end.
*/
#ifdef __cplusplus