Fix longopts

1 files changed, 37 insertions, 2 deletions

diff --git a/src/foodopts.c b/src/foodopts.c
index 338b97e..fac807d 100644
--- a/src/foodopts.c
+++ b/src/foodopts.c
@@ -1,14 +1,49 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include "foodopts.h"
 
+static struct option *
+to_getopt_longopts(const struct foodoption * src)
+{
+  int l = 0;
+  while( src[l].name    != 0
+      || src[l].has_arg != 0
+      || src[l].flag    != 0
+      || src[l].val     != 0) {
+    l++;
+  }
+
+  struct option * dst = (struct option *)malloc(sizeof(struct option) * (l + 1));
+  int i = 0;
+  while( src[i].name    != 0
+      || src[i].has_arg != 0
+      || src[i].flag    != 0
+      || src[i].val     != 0) {
+    dst[i].name    = src[i].name;
+    dst[i].has_arg = src[i].has_arg;
+    dst[i].flag    = src[i].flag;
+    dst[i].val     = src[i].val;
+    i++;
+  }
+  dst[i].name    = 0;
+  dst[i].has_arg = 0;
+  dst[i].flag    = 0;
+  dst[i].val     = 0;
+
+  return dst;
+}
+
 int
 get_foodopt(int argc, char *const argv[],
             const char *optstring,
             const struct foodoption *longopts,
             int *longindex)
 {
-  return getopt_long(argc, argv, optstring,
-                     (struct option *)longopts, longindex);
+  struct option * o = to_getopt_longopts(longopts);
+  int rc = getopt_long(argc, argv, optstring, o, longindex);
+
+  free(o);
+  return rc;
 }
 
 const char *