Fix build warnings on osX

[mjerris]

/Users/mike/src/libks/src/ks_handle.c:112:53: warning: result of comparison of constant 65536 with expression of type 'uint16_t' (aka 'unsigned short') is
always true [-Wtautological-constant-out-of-range-compare]
for (uint16_t slot_index = start_index; slot_index < KS_HANDLE_MAX_SLOTS; slot_index++) {
~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~
/Users/mike/src/libks/src/ks_handle.c:216:18: warning: result of comparison of constant 65536 with expression of type 'uint16_t' (aka 'unsigned short') is
always false [-Wtautological-constant-out-of-range-compare]
if (*slot_index >= KS_HANDLE_MAX_SLOTS) {
~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~
2 warnings generated.
/Users/mike/src/libks/src/ks_json.c:686:15: warning: implicit conversion from enumeration type 'const cJSON_TYPES' to different enumeration type 'KS_JSON_TYPES'
[-Wenum-conversion]
return item->type;
~~~~~~ ~~~~~~^~~~
1 warning generated.
/Users/mike/src/libks/src/ks_log.c:210:65: warning: format specifies type 'int' but the argument has type 'ks_size_t' (aka 'unsigned long') [-Wformat]
used += snprintf(buf + used - 1, bufSize - used, "[LF:%d] ", g_wakeup_stdout_fails);
~~ ^~~~~~~~~~~~~~~~~~~~~
%zu
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/secure/_stdio.h:57:62: note: expanded from macro
'snprintf'
__builtin___snprintf_chk (str, len, 0, __darwin_obsz(str), VA_ARGS)
^~~~~~~~~~~
/Users/mike/src/libks/src/ks_log.c:214:65: warning: format specifies type 'int' but the argument has type 'ks_size_t' (aka 'unsigned long') [-Wformat]
used += snprintf(buf + used - 1, bufSize - used, "[LS:%d] ", g_wakeup_stdout_successes);
~~ ^~~~~~~~~~~~~~~~~~~~~~~~~
%zu
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/secure/_stdio.h:57:62: note: expanded from macro
'snprintf'
__builtin___snprintf_chk (str, len, 0, __darwin_obsz(str), VA_ARGS)
^~~~~~~~~~~
2 warnings generated.
/Users/mike/src/libks/src/ks_thread.c:144:9: warning: incompatible pointer to integer conversion returning 'pthread_t _Nonnull'
(aka 'struct _opaque_pthread_t *') from a function with result type 'ks_pid_t' (aka 'int') [-Wint-conversion]
return pthread_self();
^~~~~~~~~~~~~~
/Users/mike/src/libks/src/ks_thread.c:234:21: warning: address of function 'pthread_setname_np' will always evaluate to 'true' [-Wpointer-bool-conversion]
if (thread->tag && pthread_setname_np)
~~ ^~~~~~~~~~~~~~~~~~
/Users/mike/src/libks/src/ks_thread.c:234:21: note: prefix with the address-of operator to silence this warning
if (thread->tag && pthread_setname_np)
^
&
2 warnings generated.