cfgfile: support empty value

[dpdk.git] / lib / librte_cfgfile / rte_cfgfile.c

diff --git a/lib/librte_cfgfile/rte_cfgfile.c b/lib/librte_cfgfile/rte_cfgfile.c
index 4ef7dec..b54a523 100644 (file)
--- a/lib/librte_cfgfile/rte_cfgfile.c
+++ b/lib/librte_cfgfile/rte_cfgfile.c
@@ -258,12 +258,21 @@ rte_cfgfile_load_with_params(const char *filename, int flags,
 
                        struct rte_cfgfile_section *sect =
                                cfg->sections[curr_section];
-                       char *split[2];
-                       if (rte_strsplit(buffer, sizeof(buffer), split, 2, '=')
-                               != 2) {
-                               printf("Error at line %d - cannot split "
-                                       "string\n", lineno);
-                               goto error1;
+                       int n;
+                       char *split[2] = {NULL};
+                       n = rte_strsplit(buffer, sizeof(buffer), split, 2, '=');
+                       if (flags & CFG_FLAG_EMPTY_VALUES) {
+                               if ((n < 1) || (n > 2)) {
+                                       printf("Error at line %d - cannot split string, n=%d\n",
+                                              lineno, n);
+                                       goto error1;
+                               }
+                       } else {
+                               if (n != 2) {
+                                       printf("Error at line %d - cannot split string, n=%d\n",
+                                              lineno, n);
+                                       goto error1;
+                               }
                        }
 
                        curr_entry++;
@@ -293,7 +302,7 @@ rte_cfgfile_load_with_params(const char *filename, int flags,
                        snprintf(entry->name, sizeof(entry->name), "%s",
                                split[0]);
                        snprintf(entry->value, sizeof(entry->value), "%s",
-                               split[1]);
+                                split[1] ? split[1] : "");
                        _strip(entry->name, strnlen(entry->name,
                                sizeof(entry->name)));
                        _strip(entry->value, strnlen(entry->value,