use nix build & meson & zlog

src/include/utils.h

@@ -0,0 +1,94 @@
+#if !defined(_UTILS_H_)
+
+#define _UTILS_H_
+
+#include "config.h"
+
+#include <capnp_c.h>
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "controller.capnp.h"
+#include "xce/errnox.h"
+#include "xce/types.h"
+
+#define xce_use(x) (void)(x)
+
+#define float_near_zero (0.000001)
+
+#define float_equal(a, b) (fabs((a) - (b)) < float_near_zero)
+
+#define STR(x)  _STR(x)
+#define _STR(x) #x
+
+#define MK_VERSION(ver, commit) ver commit
+
+#ifndef FREEUP
+#define FREEUP(p)      \
+    if ((p) != NULL) { \
+        free(p);       \
+        (p) = NULL;    \
+    }
+#endif
+
+#define N_EL_ARRAY(arr) (sizeof(arr) / sizeof(arr[0]))
+#define PTR_STEP(p, delta) \
+    ((void*)(((char*)p) + (delta)))
+
+#define N_EL_ARRAY(arr) (sizeof(arr) / sizeof(arr[0]))
+#define PTR_STEP(p, delta) \
+    ((void*)(((char*)p) + (delta)))
+
+/* move the owner ship of pointer from src to dst */
+#define MOVE_PTR(dst, src) \
+    do {                   \
+        (dst) = (src);     \
+        (src) = NULL;      \
+    } while (0)
+
+#define NULLSTR(p) (((p) == NULL) || (strlen(p) == 0))
+
+#define SET_ERROR(code)            \
+    do {                           \
+        set_error((char*)__FILE__, \
+                  (char*)__func__, \
+                  __LINE__,        \
+                  (code));         \
+    } while (0)
+
+#define PERROR(s) xce_perror(s)
+
+typedef struct {
+    char* file;
+    char* func;
+    int   line;
+    int   code;
+} ectx_t;
+
+#define TRACE(...)
+#define WARN(...)
+
+extern capn_text                chars_to_text(const char*);
+extern int                      parse_argv(char*, char***);
+extern void                     free_argv(char**, int);
+extern void                     freeup_kvs(int, xce_kv_t*);
+extern int                      mylog_init(char*, char*, char*, int, int);
+extern void                     mylog_fini(void);
+extern int                      mylog_setlevel(char*);
+extern void                     set_error(char*, char*, int, int);
+extern ectx_t*                  get_ectx(void);
+extern int                      xce_vprintf(const char*, va_list);
+extern int                      xce_strerror_r(int, char*, size_t);
+extern void                     xce_perror(const char*);
+extern char*                    frame_symbol(int);
+extern int                      copy_int_list(int**, int*, int);
+extern int                      copy_strlist(xce_strlist_t*, xce_strlist_t);
+extern void                     free_timewindow_config(xce_timewindow_config_t*);
+extern xce_timewindow_config_t* dup_timewindow_config(xce_timewindow_config_t*);
+extern void                     free_resource_thresholds(xce_res_threshold_t**, int);
+extern xce_res_threshold_t**    dup_resource_thresholds(xce_res_threshold_t**, int);
+extern void                     free_resval_with_idx_list(xce_val_with_idx_t***, int);
+extern void                     free_strlist(xce_strlist_t*);
+
+#endif