new: working on the gen command

src/util.c

@@ -8,6 +8,8 @@
 #include <time.h>
 #include <unistd.h>
 
+#include "error.h"
+#include "intl.h"
 #include "util.h"
 
 bool eq(char *s1, char *s2) {
@@ -109,16 +111,22 @@ bool mksubdirsp(char *path, int perms) {
   for (char *c = path; *c != '\0'; c++) {
     if (*c == '/' && indx != 0) {
       cur[indx] = '\0';
-      if (!exists(cur) && mkdir(cur, perms) < 0)
+      if (!exists(cur) && mkdir(cur, perms) < 0){
+        error_set(_("Failed to create directory: %s"), cur);
+        errno = MkdirFail;
         return false;
+      }
     }
 
     cur[indx] = *c;
     indx++;
   }
 
-  if (!exists(cur) && mkdir(cur, perms) < 0)
+  if (!exists(cur) && mkdir(cur, perms) < 0){
+    error_set(_("Failed to create directory: %s"), cur);
+    errno = MkdirFail;
     return false;
+  }
   return true;
 }
 
@@ -187,3 +195,29 @@ void clist_add(clist_t *l, char *en) {
   l->c[l->s] = en;
   l->s++;
 }
+
+bool copyfile(char *src, char *dst){
+  FILE *srcf = fopen(src, "r");
+  FILE *dstf = fopen(dst, "w");
+
+  if(NULL == srcf || NULL == dstf){
+    if(NULL == srcf)
+      error_set(_("Failed to open \"%s\" for reading"), srcf);
+    else
+      error_set(_("Failed to open \"%s\" for writing"), dstf);
+    errno = OpenFail;
+    return false;
+  }
+
+  char buffer[32];
+  int read = -1;
+
+  bzero(buffer, 32);
+
+  while((read = fread(buffer, 1, 32, srcf)) > 0)
+    fwrite(buffer, 1, read, dstf);
+
+  fclose(srcf);
+  fclose(dstf);
+  return true;
+}