[dpdk-dev] [PATCH] librte_cfgfile: add section num entries by index
Guduri Prathyusha
gprathyusha at caviumnetworks.com
Thu Apr 27 08:51:40 CEST 2017
rte_cfgfile_section_num_entries_by_index() is added to get the number of
entries of a section when multiple sections of the same name are
present.
Signed-off-by: Guduri Prathyusha <gprathyusha at caviumnetworks.com>
---
lib/librte_cfgfile/rte_cfgfile.c | 13 +++++++++++++
lib/librte_cfgfile/rte_cfgfile.h | 20 ++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/lib/librte_cfgfile/rte_cfgfile.c b/lib/librte_cfgfile/rte_cfgfile.c
index b54a523..2588093 100644
--- a/lib/librte_cfgfile/rte_cfgfile.c
+++ b/lib/librte_cfgfile/rte_cfgfile.c
@@ -408,7 +408,20 @@ int rte_cfgfile_close(struct rte_cfgfile *cfg)
return s->num_entries;
}
+int
+rte_cfgfile_section_num_entries_by_index(struct rte_cfgfile *cfg,
+ char *sectionname, int index)
+{
+ 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);
+
+ return sect->num_entries;
+}
int
rte_cfgfile_section_entries(struct rte_cfgfile *cfg, const char *sectionname,
struct rte_cfgfile_entry *entries, int max_entries)
diff --git a/lib/librte_cfgfile/rte_cfgfile.h b/lib/librte_cfgfile/rte_cfgfile.h
index fa10d40..35dc419 100644
--- a/lib/librte_cfgfile/rte_cfgfile.h
+++ b/lib/librte_cfgfile/rte_cfgfile.h
@@ -184,6 +184,26 @@ int rte_cfgfile_section_num_entries(struct rte_cfgfile *cfg,
const char *sectionname);
/**
+* Get number of entries in given config file section
+*
+* The index of a section is the same as the index of its name in the
+* result of rte_cfgfile_sections. This API can be used when there are
+* multiple sections with the same name.
+*
+* @param cfg
+* Config file
+* @param sectionname
+* Section name
+* @param index
+* Section index
+* @return
+* Number of entries in section on success, -1 otherwise
+*/
+int rte_cfgfile_section_num_entries_by_index(struct rte_cfgfile *cfg,
+ char *sectionname,
+ int index);
+
+/**
* Get section entries as key-value pairs
*
* If multiple sections have the given name this function operates on the
--
1.7.9.5
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