Add infrastructure for custom error files

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

1 files changed, 24 insertions, 0 deletions

diff --git a/src/libtipidee/tipidee_conf_get_errorfile.c b/src/libtipidee/tipidee_conf_get_errorfile.c
new file mode 100644
index 0000000..732ff9d
--- /dev/null
+++ b/src/libtipidee/tipidee_conf_get_errorfile.c
@@ -0,0 +1,24 @@
+/* ISC license. */
+
+#include <string.h>
+#include <errno.h>
+
+#include <skalibs/types.h>
+
+#include <tipidee/conf.h>
+
+char const *tipidee_conf_get_errorfile (tipidee_conf const *conf, char const *docroot, unsigned int status)
+{
+  size_t docrootlen = strlen(docroot) ;
+  char key[7 + docrootlen] ;
+  if (status < 100 || status > 999) goto err ;
+  key[0] = 'E' ; key[1] = ':' ;
+  uint_fmt(key + 2, status) ;
+  key[5] = ':' ;
+  memcpy(key + 6, docroot, docrootlen + 1) ;
+  return tipidee_conf_get_string(conf, key) ;
+
+ err:
+  errno = EINVAL ;
+  return 0 ;
+}