1 files changed, 101 insertions, 0 deletions
diff --git a/src/config/shibari-cache-config.c b/src/config/shibari-cache-config.c
new file mode 100644
index 0000000..0aef2ce
--- /dev/null
+++ b/src/config/shibari-cache-config.c
@@ -0,0 +1,101 @@
+/* ISC license. */
+
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>  /* rename() */
+#include <errno.h>
+#include <signal.h>
+
+#include <skalibs/posixplz.h>
+#include <skalibs/types.h>
+#include <skalibs/sgetopt.h>
+#include <skalibs/buffer.h>
+#include <skalibs/strerr.h>
+#include <skalibs/djbunix.h>
+
+#include <shibari/config.h>
+#include "shibari-cache-config-internal.h"
+
+#define USAGE "shibari-cache-config [ -i textfile ] [ -o cdbfile ] [ -m mode ]"
+#define dieusage() strerr_dieusage(100, USAGE)
+
+struct global_s g = GLOBAL_ZERO ;
+
+static inline void conf_output (char const *ofile, unsigned int omode)
+{
+  int fdw ;
+  cdbmaker cm = CDBMAKER_ZERO ;
+  size_t olen = strlen(ofile) ;
+  char otmp[olen + 8] ;
+  memcpy(otmp, ofile, olen) ;
+  memcpy(otmp + olen, ":XXXXXX", 8) ;
+  fdw = mkstemp(otmp) ;
+  if (fdw == -1) strerr_diefu3sys(111, "open ", otmp, " for writing") ;
+  if (!cdbmake_start(&cm, fdw))
+  {
+    unlink_void(otmp) ;
+    strerr_diefu2sys(111, "cdmake_start ", otmp) ;
+  }
+  if (!conftree_write(&cm))
+  {
+    unlink_void(otmp) ;
+    strerr_diefu2sys(111, "write config tree into ", otmp) ;
+  }
+  if (!cdbmake_finish(&cm))
+  {
+    unlink_void(otmp) ;
+    strerr_diefu2sys(111, "cdbmake_finish ", otmp) ;
+  }
+  if (fsync(fdw) == -1)
+  {
+    unlink_void(otmp) ;
+    strerr_diefu2sys(111, "fsync ", otmp) ;
+  }
+  if (fchmod(fdw, omode & 0777) == -1)
+  {
+    unlink_void(otmp) ;
+    strerr_diefu2sys(111, "fchmod ", otmp) ;
+  }
+  if (rename(otmp, ofile) == -1)
+  {
+    unlink_void(otmp) ;
+    strerr_diefu4sys(111, "rename ", otmp, " to ", ofile) ;
+  }
+}
+
+int main (int argc, char const *const *argv, char const *const *envp)
+{
+  char const *ifile = SHIBARI_SYSCONFPREFIX "shibari-cache.conf" ;
+  char const *ofile = SHIBARI_SYSCONFPREFIX "shibari-cache.conf.cdb" ;
+  unsigned int omode = 0644 ;
+
+  PROG = "shibari-cache-config" ;
+  {
+    subgetopt l = SUBGETOPT_ZERO ;
+    for (;;)
+    {
+      int opt = subgetopt_r(argc, argv, "i:o:m:", &l) ;
+      if (opt == -1) break ;
+      switch (opt)
+      {
+        case 'i' : ifile = l.arg ; break ;
+        case 'o' : ofile = l.arg ; break ;
+        case 'm' : if (!uint0_oscan(l.arg, &omode)) dieusage() ; break ;
+        default : strerr_dieusage(100, USAGE) ;
+      }
+    }
+    argc -= l.ind ; argv += l.ind ;
+  }
+
+  {
+    int fdr = openc_readb(ifile) ;
+    char buf[4096] ;
+    buffer b = BUFFER_INIT(&buffer_read, fdr, buf, 4096) ;
+    if (fdr == -1) strerr_diefu2sys(111, "open ", ifile) ;
+    conf_lexparse(&b, ifile) ;
+  }
+  conf_defaults() ;
+  conf_output(ofile, omode) ;
+  return 0 ;
+}