clean up compile warnings

darshan-log-format.h

@@ -45,7 +45,7 @@ typedef enum
     DARSHAN_PNETCDF_MOD,
 } darshan_module_id;
 
-static char *darshan_module_names[] =
+static char * const darshan_module_names[] =
 {
     "POSIX",
     "MPI-IO",

darshan-runtime/lib/darshan-core.c

@@ -252,7 +252,6 @@ static void darshan_core_shutdown()
     double mod2[DARSHAN_MAX_MODS] = {0};
     double header1, header2;
     double tm_end;
-    long offset;
     uint64_t gz_fp = 0;
     uint64_t tmp_off = 0;
     MPI_File log_fh;
@@ -469,10 +468,8 @@ static void darshan_core_shutdown()
         struct darshan_core_module* this_mod = final_core->mod_array[i];
         darshan_record_id mod_shared_recs[DARSHAN_CORE_MAX_RECORDS];
         struct darshan_core_record_ref *ref = NULL;
-        int shared_rec_cnt = 0;
         void* mod_buf = NULL;
         int mod_buf_sz = 0;
-        int comp_buf_sz = 0;
         int j;
 
         if(global_mod_use_count[i] == 0)
@@ -1296,7 +1293,7 @@ static int darshan_deflate_buffer(void **pointers, int *lengths, int count,
         return(-1);
     }
 
-    tmp_stream.next_out = comp_buf;
+    tmp_stream.next_out = (unsigned char *)comp_buf;
     tmp_stream.avail_out = DARSHAN_CORE_COMP_BUF_SIZE;
 
     /* loop over the input pointers */
@@ -1357,7 +1354,6 @@ static int darshan_log_write_record_hash(MPI_File log_fh, struct darshan_core_ru
     size_t hash_buf_sz = 0;
     char *hash_buf;
     char *hash_buf_off;
-    MPI_Status status;
 
     /* allocate a buffer to store at most 64 bytes for each of a max number of records */
     /* NOTE: this buffer may be reallocated if estimate is too small */

darshan-runtime/lib/darshan-posix.c

@@ -642,9 +642,6 @@ int DARSHAN_DECL(close)(int fd)
 
 static void posix_runtime_initialize()
 {
-    char *alignstr;
-    int tmpval;
-    int ret;
     int mem_limit;
     struct darshan_module_funcs posix_mod_fns =
     {
@@ -857,7 +854,6 @@ static void posix_prepare_for_reduction(
     int *rec_size)
 {
     struct posix_file_runtime *file;
-    struct darshan_posix_file *tmp_array;
     int i;
 
     assert(posix_runtime);