Imported Upstream version 1.0.28

[platform/upstream/alsa-utils.git] / alsactl / utils.c

diff --git a/alsactl/utils.c b/alsactl/utils.c
index a27eb6e..b5d183c 100644 (file)
--- a/alsactl/utils.c
+++ b/alsactl/utils.c
@@ -27,6 +27,7 @@
 #include <errno.h>
 #include <ctype.h>
 #include <dirent.h>
+#include <syslog.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
 
@@ -100,3 +101,79 @@ void initfailed(int cardnumber, const char *reason, int exitcode)
        close(fp);
        free(str);
 }
+
+static void syslog_(int prio, const char *fcn, long line,
+                   const char *fmt, va_list ap)
+{
+       char buf[1024];
+
+       snprintf(buf, sizeof(buf), "%s: %s:%ld", command, fcn, line);
+       buf[sizeof(buf)-1] = '\0';
+       vsnprintf(buf + strlen(buf), sizeof(buf)-strlen(buf), fmt, ap);
+       buf[sizeof(buf)-1] = '\0';
+       syslog(LOG_INFO, "%s", buf);
+}
+
+void info_(const char *fcn, long line, const char *fmt, ...)
+{
+       va_list ap;
+
+       va_start(ap, fmt);
+       if (use_syslog) {
+               syslog_(LOG_INFO, fcn, line, fmt, ap);
+       } else {
+               fprintf(stdout, "%s: %s:%ld: ", command, fcn, line);
+               vfprintf(stdout, fmt, ap);
+               putc('\n', stdout);
+       }
+       va_end(ap);
+}
+
+void error_(const char *fcn, long line, const char *fmt, ...)
+{
+       va_list ap;
+
+       va_start(ap, fmt);
+       if (use_syslog) {
+               syslog_(LOG_ERR, fcn, line, fmt, ap);
+       } else {
+               fprintf(stderr, "%s: %s:%ld: ", command, fcn, line);
+               vfprintf(stderr, fmt, ap);
+               putc('\n', stderr);
+       }
+       va_end(ap);
+}
+
+void cerror_(const char *fcn, long line, int cond, const char *fmt, ...)
+{
+       va_list ap;
+
+       if (!cond && !debugflag)
+               return;
+       va_start(ap, fmt);
+       if (use_syslog) {
+               syslog_(LOG_ERR, fcn, line, fmt, ap);
+       } else {
+               fprintf(stderr, "%s: %s:%ld: ", command, fcn, line);
+               vfprintf(stderr, fmt, ap);
+               putc('\n', stderr);
+               va_end(ap);
+       }
+}
+
+void dbg_(const char *fcn, long line, const char *fmt, ...)
+{
+       va_list ap;
+
+       if (!debugflag)
+               return;
+       va_start(ap, fmt);
+       if (use_syslog) {
+               syslog_(LOG_DEBUG, fcn, line, fmt, ap);
+       } else {
+               fprintf(stderr, "%s: %s:%ld: ", command, fcn, line);
+               vfprintf(stderr, fmt, ap);
+               putc('\n', stderr);
+               va_end(ap);
+       }
+}