new: implement database keeps and files functions

src/package/data.c

@@ -37,6 +37,11 @@ int lm_package_data_handler(void *data, const char *_section, const char *_key,
       return 0;
   }
 
+  else if(eq(key, PKG_DATA_KEEPS)){
+    if(!lm_package_keep_add(pkg, value))
+      return 0;
+  }
+
   return 1;
 }
 
@@ -55,5 +60,7 @@ void lm_package_data_free(lm_pkg_t *pkg){
   free(pkg->desc);
   free(pkg->name);
   free(pkg->version);
+
   lm_package_depend_free(pkg);
+  lm_package_keep_free(pkg);
 }

src/package/depend.c

@@ -47,6 +47,9 @@ void lm_package_depend_free(lm_pkg_t *pkg){
   if(NULL == pkg)
     return;
 
+  if(NULL == pkg->depends)
+    return;
+
   for(int i = 0; pkg->depends[i] != NULL; i++)
     free(pkg->depends[i]);
   free(pkg->depends);
@@ -77,14 +80,22 @@ bool lm_package_depend_tostr(lm_pkg_t *pkg, char *buffer){
     return true;
   }
 
+  size_t bufsz = 0, depsz = 0;
+
   for(int i = 0; NULL != pkg->depends[i]; i++){
+    depsz = strlen(pkg->depends[i]);
+
     if(i == 0){
-      sprintf(buffer, "%s", pkg->depends[i]);
+      memcpy(buffer, pkg->depends[i], depsz);
       continue;
     }
-    sprintf(buffer, "%s,%s", buffer, pkg->depends[i]);
+
+    buffer[bufsz++] = ',';
+    memcpy(buffer+bufsz, pkg->depends, depsz);
+    bufsz += depsz;
   }
 
+  buffer[bufsz] = 0;
   return true;
 }
 

src/package/keep.c

@@ -53,3 +53,17 @@ bool lm_package_keep_contains(lm_pkg_t *pkg, char *path){
 
   return false;
 }
+
+void lm_package_keep_free(lm_pkg_t *pkg){
+  if(NULL == pkg)
+    return;
+  
+  if(NULL == pkg->keeps)
+    return;
+
+  for(int i = 0; pkg->keeps[i] != NULL; i++)
+    free(pkg->keeps[i]);
+  free(pkg->keeps);
+
+  pkg->keeps = NULL;
+}