remove compile warnings

2 files changed, 7 insertions, 7 deletions

diff --git a/src/fids/db.c b/src/fids/db.c
index e0021bc48..35caf7eeb 100644
--- a/src/fids/db.c
+++ b/src/fids/db.c
@@ -32,11 +32,10 @@ static DB *database[HASH_MAX] = {NULL};
 
 // djb2 hash function by Dan Bernstein
 static unsigned hash(const char *str) {
-        const unsigned char *s = (unsigned char *) str;
         unsigned long hash = 5381;
         int c;
 
-        while (c = *s++)
+        while ((c = *str++) != '\0')
                 hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
 
         return hash & (HASH_MAX - 1);
diff --git a/src/fids/main.c b/src/fids/main.c
index b53a9828e..c899b55e1 100644
--- a/src/fids/main.c
+++ b/src/fids/main.c
@@ -47,9 +47,10 @@ static inline int is_dir(const char *fname) {
         assert(fname);
 
         struct stat s;
-        int rv = stat(fname, &s);
-        if (S_ISDIR(s.st_mode))
-                return 1;
+        if (stat(fname, &s) == 0) {
+                if (S_ISDIR(s.st_mode))
+                        return 1;
+        }
         return 0;
 }
 
@@ -116,7 +117,7 @@ static void file_checksum(const char *fname) {
 
         // calculate blake2 checksum
         char str_checksum[(KEY_SIZE / 8) * 2 + 1];
-        int i;
+        int long unsigned i;
         char *ptr = str_checksum;
         for (i = 0; i < sizeof(checksum); i++, ptr += 2)
                 sprintf(ptr, "%02x", (unsigned char ) checksum[i]);
@@ -190,7 +191,7 @@ void globbing(const char *fname) {
                 exit(1);
         }
 
-        int i;
+        long unsigned i;
         for (i = 0; i < globbuf.gl_pathc; i++) {
                 char *path = globbuf.gl_pathv[i];
                 assert(path);