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log: colorize console output only when stdout is a tty

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This commit is contained in:
Daniel Eklöf 2019-01-26 15:14:45 +01:00
parent 4e03dca051
commit 37266ae419
1 changed files with 4 additions and 2 deletions
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6
log.c
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@ -7,12 +7,16 @@
#include <stdbool.h> #include <stdbool.h>
#include <errno.h> #include <errno.h>
#include <assert.h> #include <assert.h>
#include <unistd.h>
#include <syslog.h> #include <syslog.h>
static bool colorize = false;
static void __attribute__((constructor)) static void __attribute__((constructor))
init(void) init(void)
{ {
colorize = isatty(STDOUT_FILENO);
openlog(NULL, /*LOG_PID*/0, LOG_USER); openlog(NULL, /*LOG_PID*/0, LOG_USER);
setlogmask(LOG_UPTO(LOG_WARNING)); setlogmask(LOG_UPTO(LOG_WARNING));
} }
@ -27,8 +31,6 @@ static void
_log(enum log_class log_class, const char *module, const char *file, int lineno, _log(enum log_class log_class, const char *module, const char *file, int lineno,
const char *fmt, int sys_errno, va_list va) const char *fmt, int sys_errno, va_list va)
{ {
bool colorize = true;
const char *class = "abcd"; const char *class = "abcd";
int class_clr = 0; int class_clr = 0;
switch (log_class) { switch (log_class) {