From 7e8e83029f04a568bb0a85f7ffd573c178af4b81 Mon Sep 17 00:00:00 2001 From: Sergei Golubchik Date: Fri, 18 Dec 2015 13:18:35 +0100 Subject: [PATCH] document %M format --- include/mysql/service_my_snprintf.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/mysql/service_my_snprintf.h b/include/mysql/service_my_snprintf.h index d4ce97076e632..4a99561dd00e8 100644 --- a/include/mysql/service_my_snprintf.h +++ b/include/mysql/service_my_snprintf.h @@ -55,7 +55,7 @@ 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'. + 'X', 'p' (works as 0x%x), 'f', 'g', 'M' (extension, see below). Standard syntax for positional arguments $n is supported. @@ -65,6 +65,10 @@ Format 'b': binary buffer, prints exactly bytes from the argument, without stopping at '\0'. + + 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)) */ #ifdef __cplusplus