GH a2o#119: Stop symbol leaks in datasources and filters

src/datasource/rpname.c

@@ -64,9 +64,9 @@
 /*
  * Non-public function prototypes
  */
-int   get_parent_pid (int pid);
-int   get_rpname (int pid, char *result);
-char* read_proc_property (int pid, char* prop_name);
+static int   get_parent_pid (int pid);
+static int   get_rpname (int pid, char *result);
+static char* read_proc_property (int pid, char* prop_name);
 
 
 
@@ -91,7 +91,7 @@ int snoopy_datasource_rpname (char * const result, char const * const arg)
 
 
 /* Read /proc/{pid}/status file and extract the property */
-char* read_proc_property (int pid, char* prop_name)
+static char* read_proc_property (int pid, char* prop_name)
 {
     char    pid_file[50];
     FILE   *fp;
@@ -179,7 +179,7 @@ char* read_proc_property (int pid, char* prop_name)
 
 
 /* Get parent pid */
-int get_parent_pid (int pid)
+static int get_parent_pid (int pid)
 {
     char *ppid_str;
     int   ppid_int;
@@ -197,7 +197,7 @@ int get_parent_pid (int pid)
 
 
 /* Find root process name */
-int get_rpname (int pid, char *result)
+static int get_rpname (int pid, char *result)
 {
     int     parentPid;
     char   *name;

src/filter/exclude_spawns_of.c

@@ -51,9 +51,9 @@
 /*
  * Non-public function prototypes
  */
-int find_ancestor_in_list(char **name_list);
-int find_string_in_array(char *str, char **str_array);
-char **string_to_token_array(char *str);
+static int find_ancestor_in_list(char **name_list);
+static int find_string_in_array(char *str, char **str_array);
+static char **string_to_token_array(char *str);
 
 
 
@@ -107,7 +107,7 @@ int snoopy_filter_exclude_spawns_of(char *msg, char const * const arg)
  *    0 if there are no ancestor that have a name found in name_list
  *   -1 if error.
  */
-int find_ancestor_in_list(char **name_list)
+static int find_ancestor_in_list(char **name_list)
 {
     pid_t ppid;
     char stat_path[32]; // Path "/proc/nnnn/stat" where nnnn = some PID
@@ -182,7 +182,7 @@ int find_ancestor_in_list(char **name_list)
  *    1 if str matches one of the strings in str_array
  *    0 if there are no matches or if either argument is NULL.
  */
-int find_string_in_array(char *str, char **str_array)
+static int find_string_in_array(char *str, char **str_array)
 {
     if ((str == NULL) || (str_array == NULL)) {
         return 0;
@@ -210,7 +210,7 @@ int find_string_in_array(char *str, char **str_array)
  *    If str is NULL or empty, or if error, returns NULL.
  */
 
-char **string_to_token_array(char *str)
+static char **string_to_token_array(char *str)
 {
     char *p;
     int i;