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devlink: replace print macros with functions

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Using functions is safer, and printing is not performance
critical.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2019-06-26 09:18:18 -07:00
parent bfa757e02f
commit f799505372
1 changed files with 42 additions and 20 deletions
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62
devlink/devlink.c
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@ -11,6 +11,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <stdbool.h>
#include <unistd.h>
@ -48,32 +49,53 @@
#define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80
static int g_new_line_count;
#define pr_err(args...) fprintf(stderr, ##args)
#define pr_out(args...) \
do { \
if (g_indent_newline) { \
fprintf(stdout, "%s", g_indent_str); \
g_indent_newline = false; \
} \
fprintf(stdout, ##args); \
g_new_line_count = 0; \
} while (0)
#define pr_out_sp(num, args...) \
do { \
int ret = fprintf(stdout, ##args); \
if (ret < num) \
fprintf(stdout, "%*s", num - ret, ""); \
g_new_line_count = 0; \
} while (0)
static int g_indent_level;
static bool g_indent_newline;
#define INDENT_STR_STEP 2
#define INDENT_STR_MAXLEN 32
static char g_indent_str[INDENT_STR_MAXLEN + 1] = "";
static void __attribute__((format(printf, 1, 2)))
pr_err(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
static void __attribute__((format(printf, 1, 2)))
pr_out(const char *fmt, ...)
{
va_list ap;
if (g_indent_newline) {
printf("%s", g_indent_str);
g_indent_newline = false;
}
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
g_new_line_count = 0;
}
static void __attribute__((format(printf, 2, 3)))
pr_out_sp(unsigned int num, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
ret = vprintf(fmt, ap);
va_end(ap);
if (ret < num)
printf("%*s", num - ret, "");
g_new_line_count = 0; \
}
static void __pr_out_indent_inc(void)
{
if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN)