#ifndef VG_PLATFORM_H
#define VG_PLATFORM_H
-#ifdef VG_RELEASE
- #define VG_STATIC static
-#else
- #define VG_STATIC
-#endif
-
//#include "vg.h"
#include "vg_stdint.h"
#define vg_list_size( A ) (sizeof(A)/sizeof(A[0]))
#define VG_MUST_USE_RESULT __attribute__((warn_unused_result))
-VG_STATIC void vg_strncpy( const char *src, char *dst, u32 len )
-{
- for( u32 i=0; i<len; i++ )
- {
- dst[i] = src[i];
-
- if( !src[i] )
- break;
- }
-}
-
#include <stdio.h>
-#include <dirent.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include <math.h>
#include <assert.h>
+#include <setjmp.h>
+#include <sys/time.h>
+#include <math.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "vg_string.h"
+
+enum strncpy_behaviour{
+ k_strncpy_always_add_null = 0,
+ k_strncpy_allow_cutoff = 1,
+ k_strncpy_overflow_fatal = 2
+};
+
+static void vg_fatal_error( const char *fmt, ... );
+static u32 vg_strncpy( const char *src, char *dst, u32 len,
+ enum strncpy_behaviour behaviour )
+{
+ for( u32 i=0; i<len; i++ ){
+ dst[i] = src[i];
+
+ if( !src[i] ) return i;
+
+ if( i == len-1 ){
+ if( behaviour == k_strncpy_always_add_null ){
+ dst[i] = '\0';
+ return i;
+ }
+ else if( behaviour == k_strncpy_overflow_fatal ){
+ vg_fatal_error( "Strncpy dest exceeded buffer length\n" );
+ }
+ }
+ }
+
+ return 0;
+}
+
+static u32 vg_strdjb2( const char *str ){
+ u32 hash = 5381, c;
+
+ while( (c = *str++) )
+ hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
+
+ return hash;
+}
+
+static int vg_strdjb2_eq( const char *s1, u32 h1,
+ const char *s2, u32 h2 )
+{
+ if( h1 == h2 ){
+ if(!strcmp(s1, s2)) return 1;
+ else return 0;
+ } else return 0;
+}
+
+#define VG_STRDJB2_EQ( CS1, S2, H2 ) \
+ vg_strdjb2_eq( CS1, vg_strdjb2(CS1), S2, H2 )
+
#define VG_MIN( A, B ) ((A)<(B)?(A):(B))
#define VG_MAX( A, B ) ((A)>(B)?(A):(B))