binding visibility

[vg.git] / vg_platform.h

diff --git a/vg_platform.h b/vg_platform.h
index b04ce672b9afa8d0803dec16dffb7f5bcbc48c77..ef3daed23a9e8ac4278e139fe91860018f2c38ef 100644 (file)
--- a/vg_platform.h
+++ b/vg_platform.h
@@ -1,12 +1,6 @@
 #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"
 
@@ -40,12 +34,16 @@ struct vg_achievement
 #define VG_MUST_USE_RESULT __attribute__((warn_unused_result))
 
 #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>
 
 enum strncpy_behaviour{
    k_strncpy_always_add_null = 0,
@@ -53,8 +51,8 @@ enum strncpy_behaviour{
    k_strncpy_overflow_fatal = 2
 };
 
-VG_STATIC void vg_fatal_error( const char *fmt, ... );
-VG_STATIC u32 vg_strncpy( const char *src, char *dst, u32 len,
+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++ ){
@@ -79,39 +77,91 @@ VG_STATIC u32 vg_strncpy( const char *src, char *dst, u32 len,
 typedef struct vg_str vg_str;
 struct vg_str{
    char *buffer;
-   u32 i, len;
+   i32 i, len;
 };
 
-VG_STATIC void vg_strnull( vg_str *str, char *buffer, u32 len )
-{
+static void vg_strnull( vg_str *str, char *buffer, i32 len ){
    str->buffer = buffer;
    str->buffer[0] = '\0';
    str->i = 0;
    str->len = len;
+
+   assert(len);
 }
 
-VG_STATIC void vg_strcat( vg_str *str, const char *append )
-{
-   for( u32 i=0; str->i < str->len; i++, str->i ++ ){
-      str->buffer[ str->i ] = append[i];
+static void vg_strcat( vg_str *str, const char *append ){
+   if( !append ) return;
+   if( str->i == -1 ) return;
 
-      if( append[i] == '\0' ) return;
+   for( u32 i=0; str->i < str->len; str->i ++, i ++ ){
+      str->buffer[ str->i ] = append[ i ];
+
+      if( append[ i ] == '\0' )
+         return;
    }
+
+   /* overflow */
+   str->buffer[ str->len-1 ] = '\0';
+   str->i = -1;
 }
 
-VG_STATIC int vg_strgood( vg_str *str )
-{
-   if( str->i == str->len ){
-      if( str->buffer[str->i -1] == '\0' ) return 1;
-      else return 0;
+static void vg_strcatch( vg_str *str, char c ){
+   if( str->i == -1 ) return;
+   if( (str->i + 2) > str->len ){
+      str->i = -1;
+      return;
+   }
+   str->buffer[ str->i ++ ] = c;
+   str->buffer[ str->i ] = '\0';
+}
+
+/* FIXME: Negative numbers */
+static void vg_strcati32( vg_str *str, i32 value ){
+   if( value ){
+      char temp[32];
+      int i=0;
+      while( value && (i<31) ){
+         temp[ i ++ ] = '0' + (value % 10);
+         value /= 10;
+      }
+
+      char reverse[32];
+      for( int j=0; j<i; j ++ )
+         reverse[j] = temp[ i-1-j ];
+      reverse[i] = '\0';
+
+      vg_strcat( str, reverse );
    }
+   else
+      vg_strcat( str, "0" );
+}
+
+static void vg_strcati32r( vg_str *str, i32 value, i32 n, char alt ){
+   char temp[32];
+   i32 i=0;
+   while( value ){
+      if( i>=n ) 
+         break;
+
+      temp[ n-1 - (i ++) ] = '0' + (value % 10);
+      value /= 10;
+   }
+
+   for( ;i<n; i ++ )
+      temp[ n-1 - i ] = alt;
+
+   temp[n]='\0';
+   vg_strcat( str, temp );
+}
+
+static int vg_strgood( vg_str *str ){
+   if( str->i == -1 ) return 0;
    else return 1;
 }
 
-VG_STATIC char *vg_strch( vg_str *str, char c )
-{
+static char *vg_strch( vg_str *str, char c ){
    char *ptr = NULL;
-   for( u32 i=0; i<str->i; i++ ){
+   for( i32 i=0; i<str->i; i++ ){
       if( str->buffer[i] == c )
          ptr = str->buffer+i;
    }
@@ -119,8 +169,7 @@ VG_STATIC char *vg_strch( vg_str *str, char c )
    return ptr;
 }
 
-VG_STATIC u32 vg_strdjb2( const char *str )
-{
+static u32 vg_strdjb2( const char *str ){
    u32 hash = 5381, c;
 
    while( (c = *str++) )
@@ -129,6 +178,19 @@ VG_STATIC u32 vg_strdjb2( const char *str )
    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))
 #endif