X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=program%2Fsrc%2Frrd_tool.h;h=6d7652b74d0bd507ad553bed09c564199d61b5f8;hb=42f44336caceae90b9e743f9e6d4c8f7e5bda3a4;hp=f21a17a7eb0d27f2c3bc41880d0feb627e0d1040;hpb=14772c029e97b783a39309173de23a7c4f6830d7;p=rrdtool-all.git

diff --git a/program/src/rrd_tool.h b/program/src/rrd_tool.h
index f21a17a7..6d7652b7 100644
--- a/program/src/rrd_tool.h
+++ b/program/src/rrd_tool.h
@@ -164,7 +164,9 @@ 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
@@ -174,6 +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