net/ixgbe/base: update shared code version to 2016.11.21

[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 f2bc2cc..d72052a 100644 (file)
--- a/lib/librte_cfgfile/rte_cfgfile.c
+++ b/lib/librte_cfgfile/rte_cfgfile.c
@@ -92,7 +92,7 @@ rte_cfgfile_load(const char *filename, int flags)
        int allocated_entries = 0;
        int curr_section = -1;
        int curr_entry = -1;
-       char buffer[256];
+       char buffer[256] = {0};
        int lineno = 0;
        struct rte_cfgfile *cfg = NULL;
 
@@ -225,11 +225,14 @@ rte_cfgfile_load(const char *filename, int flags)
        }
        fclose(f);
        cfg->flags = flags;
-       cfg->sections[curr_section]->num_entries = curr_entry + 1;
        cfg->num_sections = curr_section + 1;
+       /* curr_section will still be -1 if we have an empty file */
+       if (curr_section >= 0)
+               cfg->sections[curr_section]->num_entries = curr_entry + 1;
        return cfg;
 
 error1:
+       cfg->num_sections = curr_section + 1;
        rte_cfgfile_close(cfg);
 error2:
        fclose(f);
@@ -304,7 +307,7 @@ _get_section(struct rte_cfgfile *cfg, const char *sectionname)
 int
 rte_cfgfile_has_section(struct rte_cfgfile *cfg, const char *sectionname)
 {
-       return (_get_section(cfg, sectionname) != NULL);
+       return _get_section(cfg, sectionname) != NULL;
 }
 
 int
@@ -331,6 +334,24 @@ rte_cfgfile_section_entries(struct rte_cfgfile *cfg, const char *sectionname,
        return i;
 }
 
+int
+rte_cfgfile_section_entries_by_index(struct rte_cfgfile *cfg, int index,
+               char *sectionname,
+               struct rte_cfgfile_entry *entries, int max_entries)
+{
+       int i;
+       const struct rte_cfgfile_section *sect;
+
+       if (index < 0 || index >= cfg->num_sections)
+               return -1;
+
+       sect = cfg->sections[index];
+       snprintf(sectionname, CFG_NAME_LEN, "%s", sect->name);
+       for (i = 0; i < max_entries && i < sect->num_entries; i++)
+               entries[i] = *sect->entries[i];
+       return i;
+}
+
 const char *
 rte_cfgfile_get_entry(struct rte_cfgfile *cfg, const char *sectionname,
                const char *entryname)
@@ -350,5 +371,5 @@ int
 rte_cfgfile_has_entry(struct rte_cfgfile *cfg, const char *sectionname,
                const char *entryname)
 {
-       return (rte_cfgfile_get_entry(cfg, sectionname, entryname) != NULL);
+       return rte_cfgfile_get_entry(cfg, sectionname, entryname) != NULL;
 }