Add cdb_init_at and cdb_init_fromfd, rename cdb_reader

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 5 insertions, 19 deletions

diff --git a/src/libstddjb/cdb_init.c b/src/libstddjb/cdb_init.c
index 7a6c2f6..fad6a2c 100644
--- a/src/libstddjb/cdb_init.c
+++ b/src/libstddjb/cdb_init.c
@@ -1,31 +1,17 @@
 /* ISC license. */
 
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <stdint.h>
-#include <errno.h>
-
 #include <skalibs/djbunix.h>
 #include <skalibs/cdb.h>
 
 int cdb_init (cdb *c, char const *file)
 {
-  char *map ;
-  struct stat st ;
   int fd = openc_read(file) ;
   if (fd < 0) return 0 ;
-  if (fstat(fd, &st) < 0) goto err ;
-  if (st.st_size > UINT32_MAX) goto eoverf ;
-  map = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0) ;
-  if (map == MAP_FAILED) goto err ;
-  c->map = map ;
-  c->size = st.st_size ;
+  if (!cdb_init_fromfd(c, fd))
+  {
+    fd_close(fd) ;
+    return 0 ;
+  }
   fd_close(fd) ;
   return 1 ;
-
- eoverf:
-  errno = EOVERFLOW ;
- err:
-  fd_close(fd) ;
-  return 0 ;
 }