Hi,
I build postfix 3.11.2 with musl lib, and it compile failed with failure:
vbuf_print.c:215:46: error: macro 'VBUF_SNPRINTF' passed 5 arguments,
but takes just 4
215 | VSTRING_ADDNUM(fmt, width);
| ^
vbuf_print.c:132:9: note: macro 'VBUF_SNPRINTF' defined here
132 | #define VBUF_SNPRINTF(bp, sz, fmt, arg) do { \
Root cause:
[snip of src/util/sys_defs.h]
#if HAVE_GLIBC_API_VERSION_SUPPORT(2, 1)
#define SOCKADDR_SIZE socklen_t
#define SOCKOPT_SIZE socklen_t
#else
#define NO_SNPRINTF
#endif
[snip of src/util/sys_defs.h]
For musl lib, #else branch is selected, so NO_SNPRINTF is defined, and
in vbuf_print.c, if NO_SNPRINTF is defined,
VBUF_SNPRINTF takes 4 arguments, but where calling VBUF_SNPRINTF all
pass 5 arguments, seems like where calling VBUF_SNPRINTF
should also checking NO_SNPRINTF to pass 4 or 5 arguments.
But actually, musl lib support snprintf. so maybe it should like this?
-#if HAVE_GLIBC_API_VERSION_SUPPORT(2, 1)
+#if HAVE_GLIBC_API_VERSION_SUPPORT(2, 1) || !defined(__GLIBC__)
How about other places also use HAVE_GLIBC_API_VERSION_SUPPORT, is it
possible have similar issue like this?
Regards
Changqing
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