strerror should not turn us recursive here ... -- Peter Stamfest <peter@stamfest.at>

[rrdtool.git] / src / rrd_tool.h

diff --git a/src/rrd_tool.h b/src/rrd_tool.h
index 7280e74..6d7652b 100644 (file)
--- a/src/rrd_tool.h
+++ b/src/rrd_tool.h
@@ -160,10 +160,13 @@ int rrd_fetch_fn(char *filename, enum cf_en cf_idx,
                 rrd_value_t **data);
 
 void rrd_free(rrd_t *rrd);
+void rrd_freemem(void *mem);
 void rrd_init(rrd_t *rrd);
 
 int rrd_open(char *file_name, FILE **in_file, rrd_t *rrd, int rdwr);
+int rrd_open_r(char *file_name, FILE **in_file, rrd_t *rrd, int rdwr);
 int readfile(char *file, char **buffer, int skipfirst);
+int readfile_r(char *file, char **buffer, int skipfirst);
 
 #define RRD_READONLY    0
 #define RRD_READWRITE   1
@@ -173,6 +176,14 @@ enum dst_en dst_conv(char *string);
 long ds_match(rrd_t *rrd,char *ds_nam);
 double rrd_diff(char *a, char *b);
 
+    /* rrd_strerror is thread safe, but still it uses a global buffer
+       (but one per thread), thus subsequent calls within a single
+       thread overwrite the same buffer */
+const char *rrd_strerror(int err);
+
+/* just a defensive work-around... */
+#define strerror(x) rrd_strerror(x)
+
 #endif
 
 #ifdef  __cplusplus