splogger.c
changeset 0 068428edee47
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/splogger.c	Fri Oct 19 14:06:22 2007 +0200
@@ -0,0 +1,72 @@
+#include <sys/types.h>
+#include <sys/time.h>
+#include <syslog.h>
+#include "error.h"
+#include "substdio.h"
+#include "subfd.h"
+#include "exit.h"
+#include "str.h"
+#include "scan.h"
+#include "fmt.h"
+
+char buf[800]; /* syslog truncates long lines (or crashes); GPACIC */
+int bufpos = 0; /* 0 <= bufpos < sizeof(buf) */
+int flagcont = 0;
+int priority; /* defined if flagcont */
+char stamp[FMT_ULONG + FMT_ULONG + 3]; /* defined if flagcont */
+
+void stamp_make()
+{
+  struct timeval tv;
+  char *s;
+  gettimeofday(&tv,(struct timezone *) 0);
+  s = stamp;
+  s += fmt_ulong(s,(unsigned long) tv.tv_sec);
+  *s++ = '.';
+  s += fmt_uint0(s,(unsigned int) tv.tv_usec,6);
+  *s = 0;
+}
+
+void flush()
+{
+  if (bufpos) {
+    buf[bufpos] = 0;
+    if (flagcont)
+      syslog(priority,"%s+%s",stamp,buf); /* logger folds invisibly; GPACIC */
+    else {
+      stamp_make();
+      priority = LOG_INFO;
+      if (str_start(buf,"warning:")) priority = LOG_WARNING;
+      if (str_start(buf,"alert:")) priority = LOG_ALERT;
+      syslog(priority,"%s %s",stamp,buf);
+      flagcont = 1;
+    }
+  }
+  bufpos = 0;
+}
+
+void main(argc,argv)
+int argc;
+char **argv;
+{
+  char ch;
+
+  if (argv[1])
+    if (argv[2]) {
+      unsigned long facility;
+      scan_ulong(argv[2],&facility);
+      openlog(argv[1],0,facility << 3);
+    }
+    else
+      openlog(argv[1],0,LOG_MAIL);
+  else
+    openlog("splogger",0,LOG_MAIL);
+
+  for (;;) {
+    if (substdio_get(subfdin,&ch,1) < 1) _exit(0);
+    if (ch == '\n') { flush(); flagcont = 0; continue; }
+    if (bufpos == sizeof(buf) - 1) flush();
+    if ((ch < 32) || (ch > 126)) ch = '?'; /* logger truncates at 0; GPACIC */
+    buf[bufpos++] = ch;
+  }
+}