Merge branch 'collectd-5.5'

diff --cc src/daemon/plugin.h
Simple merge

diff --cc src/daemon/types_list.c
Simple merge

diff --cc src/daemon/utils_subst.c
index 43634df2d6a0a7ef4a8d586b6ea97f6522fb0205,3e554973c7698dc54bd6d32c0d612e11270a1223..cfa1c7642f0d01b5b5bbdfb2be78dbf38bcb6968
--- 1/src/daemon/utils_subst.c
--- 2/src/daemon/utils_subst.c
+++ b/src/daemon/utils_subst.c
@@@ -30,61 -30,35 +30,62 @@@
  
  #include "collectd.h"
  #include "common.h"
+ #include "utils_subst.h"
  
 -char *subst (char *buf, size_t buflen, const char *string, int off1, int off2,
 +char *subst (char *buf, size_t buflen, const char *string, size_t off1, size_t off2,
                const char *replacement)
  {
 -      char  *buf_ptr = buf;
 -      size_t len     = buflen;
 +      char *out = buf;
  
 -      if ((NULL == buf) || (0 >= buflen) || (NULL == string)
 -                      || (0 > off1) || (0 > off2) || (off1 > off2)
 -                      || (NULL == replacement))
 +      char const *front;
 +      char const *back;
 +      size_t front_len;
 +      size_t replacement_len;
 +      size_t back_len;
 +
 +      if ((NULL == buf) || (0 == buflen) || (NULL == string) || (NULL == replacement))
                return NULL;
  
 -      sstrncpy (buf_ptr, string,
 -                      ((size_t)off1 + 1 > buflen) ? buflen : (size_t)off1 + 1);
 -      buf_ptr += off1;
 -      len     -= off1;
 +      size_t string_len = strlen (string);
 +      if ((off1 > string_len) || (off2 > string_len) || (off1 > off2))
 +              return NULL;
  
 -      if (0 >= len)
 -              return buf;
 +      front = string;
 +      back = string + off2;
 +      front_len = off1;
 +      replacement_len = strlen (replacement);
 +      back_len = strlen (back);
 +
 +      if (front_len >= buflen) {
 +              front_len = buflen - 1;
 +              replacement_len = 0;
 +              back_len = 0;
 +      } else if ((front_len + replacement_len) >= buflen) {
 +              replacement_len = buflen - (front_len + 1);
 +              back_len = 0;
 +      } else if ((front_len + replacement_len + back_len) >= buflen) {
 +              back_len = buflen - (front_len + replacement_len + 1);
 +      } else {
 +              buflen = front_len + replacement_len + back_len + 1;
 +      }
 +      assert ((front_len + replacement_len + back_len) == (buflen - 1));
  
 -      sstrncpy (buf_ptr, replacement, len);
 -      buf_ptr += strlen (replacement);
 -      len     -= strlen (replacement);
 +      if (front_len != 0) {
 +              sstrncpy (out, front, front_len + 1);
 +              out += front_len;
 +      }
  
 -      if (0 >= len)
 -              return buf;
 +      if (replacement_len != 0) {
 +              sstrncpy (out, replacement, replacement_len + 1);
 +              out += replacement_len;
 +      }
  
 -      sstrncpy (buf_ptr, string + off2, len);
 +      if (back_len != 0) {
 +              sstrncpy (out, back, back_len + 1);
 +              out += back_len;
 +      }
 +
 +      out[0] = 0;
        return buf;
  } /* subst */
  

diff --cc src/liboconfig/oconfig.c
Simple merge

diff --cc src/processes.c
Simple merge

diff --cc src/threshold.c
Simple merge

diff --cc src/utils_cmd_flush.c
Simple merge

diff --cc src/utils_cmd_getval.c
Simple merge

diff --cc src/utils_db_query.c
Simple merge