Date: Mon, 23 May 2016 12:35:07 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r300500 - head/sys/compat/linuxkpi/common/include/linux Message-ID: <201605231235.u4NCZ7s9020533@repo.freebsd.org>
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Author: hselasky Date: Mon May 23 12:35:07 2016 New Revision: 300500 URL: https://svnweb.freebsd.org/changeset/base/300500 Log: Add more printf() related functions to the LinuxKPI. Obtained from: kmacy @ MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/compat/linuxkpi/common/include/linux/kernel.h Modified: head/sys/compat/linuxkpi/common/include/linux/kernel.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/kernel.h Mon May 23 12:13:16 2016 (r300499) +++ head/sys/compat/linuxkpi/common/include/linux/kernel.h Mon May 23 12:35:07 2016 (r300500) @@ -52,6 +52,8 @@ #include <linux/log2.h> #include <asm/byteorder.h> +#include <machine/stdarg.h> + #define KERN_CONT "" #define KERN_EMERG "<0>" #define KERN_ALERT "<1>" @@ -124,7 +126,37 @@ #define DIV_ROUND_UP_ULL(x, n) DIV_ROUND_UP((unsigned long long)(x), (n)) #define FIELD_SIZEOF(t, f) sizeof(((t *)0)->f) -#define printk(X...) printf(X) +#define printk(...) printf(__VA_ARGS__) +#define vprintk(f, a) vprintf(f, a) + +struct va_format { + const char *fmt; + va_list *va; +}; + +static inline int +vscnprintf(char *buf, size_t size, const char *fmt, va_list args) +{ + ssize_t ssize = size; + int i; + + i = vsnprintf(buf, size, fmt, args); + + return ((i >= ssize) ? (ssize - 1) : i); +} + +static inline int +scnprintf(char *buf, size_t size, const char *fmt, ...) +{ + va_list args; + int i; + + va_start(args, fmt); + i = vscnprintf(buf, size, fmt, args); + va_end(args); + + return (i); +} /* * The "pr_debug()" and "pr_devel()" macros should produce zero code
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