Initial commit

1 files changed, 117 insertions, 0 deletions

diff --git a/src/daemontools-extras/ucspilogd.c b/src/daemontools-extras/ucspilogd.c
new file mode 100644
index 0000000..ddb6362
--- /dev/null
+++ b/src/daemontools-extras/ucspilogd.c
@@ -0,0 +1,117 @@
+/* ISC license. */
+
+#ifndef SYSLOG_NAMES
+#define SYSLOG_NAMES
+#endif
+
+#include <stdlib.h>
+#include <syslog.h>
+#include <skalibs/sgetopt.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/buffer.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/fmtscan.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/skamisc.h>
+
+#define USAGE "ucspilogd [ -D default ] [ var... ]"
+#define dieusage() strerr_dieusage(100, USAGE)
+
+static inline void die (void)
+{
+  strerr_diefu1sys(111, "write to stdout") ;
+}
+
+static unsigned int syslog_names (char const *line)
+{
+  unsigned int fpr, i ;
+  int fp ;
+  CODE *p = facilitynames ;
+
+  if (line[0] != '<') return 0 ;
+  i = uint_scan(line+1, &fpr) ;
+  if (!i || (line[i+1] != '>')) return 0 ;
+  i += 2 ;
+  
+  fp = LOG_FAC(fpr) << 3 ;
+  for (; p->c_name ; p++) if (p->c_val == fp) break ;
+  if (p->c_name)
+  {
+    if ((buffer_puts(buffer_1, p->c_name) < 0)
+     || (buffer_put(buffer_1, ".", 1) < 1)) die() ;
+  }
+  else
+  {
+    if (buffer_put(buffer_1, "unknown.", 8) < 8) die() ;
+    i = 0 ;
+  }
+
+  fp = LOG_PRI(fpr) ;
+  for (p = prioritynames ; p->c_name ; p++) if (p->c_val == fp) break ;
+  if (p->c_name)
+  {
+    if ((buffer_puts(buffer_1, p->c_name) < 0)
+     || (buffer_put(buffer_1, ": ", 2) < 2)) die() ;
+  }
+  else
+  {
+    if (buffer_put(buffer_1, "unknown: ", 9) < 9) die() ;
+    i = 0 ;
+  }
+  return i ;
+}
+
+
+int main (int argc, char const *const *argv, char const *const *envp)
+{
+  char const *d = "<undefined>" ;
+  PROG = "ucspilogd" ;
+  {
+    subgetopt_t l = SUBGETOPT_ZERO ;
+    for (;;)
+    {
+      register int opt = subgetopt_r(argc, argv, "D:", &l) ;
+      if (opt == -1) break ;
+      switch (opt)
+      {
+        case 'D' : d = l.arg ; break ;
+        default : dieusage() ;
+      }
+    }
+    argc -= l.ind ; argv += l.ind ;
+  }
+
+  {
+    char const *envs[argc] ;
+    unsigned int i = 0 ;
+    for (; i < (unsigned int)argc ; i++)
+    {
+      envs[i] = env_get2(envp, argv[i]) ;
+      if (!envs[i]) envs[i] = d ;
+    }
+    for (;;)
+    {
+      unsigned int pos = 0 ;
+      satmp.len = 0 ;
+      {
+        register int r = skagetlnsep(buffer_0f1, &satmp, "\n", 2) ;
+        if (r < 0) strerr_diefu1sys(111, "read from stdin") ;
+        if (!r) break ;
+      }
+      if (!satmp.len) continue ;
+      satmp.s[satmp.len-1] = '\n' ;
+      if ((satmp.s[0] == '@') && (satmp.len > 26) && (byte_chr(satmp.s, 26, ' ') == 25))
+      {
+        if (buffer_put(buffer_1, satmp.s, 26) < 26) die() ;
+        pos += 26 ;
+      }
+      for (i = 0 ; i < (unsigned int)argc ; i++)
+        if ((buffer_puts(buffer_1, envs[i]) < 0)
+         || (buffer_put(buffer_1, ": ", 2) < 2)) die() ;
+      pos += syslog_names(satmp.s + pos) ;
+      if (buffer_put(buffer_1, satmp.s + pos, satmp.len - pos) < (int)(satmp.len - pos)) die() ;
+    }
+  }
+  return 0 ;
+}