rnd-20100315-3-src

[rocksndiamonds.git] / src / game_sp / vb_lib.c

diff --git a/src/game_sp/vb_lib.c b/src/game_sp/vb_lib.c
index 6cdfdec1e2504ce73eb7823d97eb392ee5199d79..f9372a1ae10774b7e664f78cb32d7fa686f75587 100644 (file)
--- a/src/game_sp/vb_lib.c
+++ b/src/game_sp/vb_lib.c
@@ -7,13 +7,36 @@
 #include "vb_vars.h"
 #include "vb_lib.h"
 
+#include "main_sp.h"
+
+#include <sys/stat.h>
+
 
 /* helper functions for constructs not supported by C */
+
+#if 1
+
+void *REDIM_1D(int data_size, int first_data_pos, int last_data_pos)
+{
+  /* for a buffer of n elements, first_data_pos is 0 and last_data_pos is n-1 */
+  /* a negative value for "first_data_pos" indicates a preceding buffer zone */
+
+  int data_count = last_data_pos - first_data_pos + 1;
+  int buffer_size = data_size * data_count;
+  int buffer_start = data_size * first_data_pos;
+
+  return (checked_calloc(buffer_size) - buffer_start);
+}
+
+#else
+
 void *REDIM_1D(int a, int b, int c)
 {
-  return 0;
+  return checked_calloc(a * (c - b + 1));
 }
 
+#endif
+
 void *REDIM_2D(int a, int b, int c, int d, int e)
 {
   return 0;
@@ -53,13 +76,26 @@ char *INT_TO_STR(int a)
 
 boolean STRING_IS_LIKE(char *a, char *b)
 {
-  return 0;
+  if (*b == '*')               // something like "*.sp"
+  {
+    return (strSuffix(a, &b[1]));
+  }
+  else
+  {
+    // more sophisticated patterns currently not supported
+
+    return 0;
+  }
 }
 
 
-int FILE_GET(FILE *a, int b, void *c, int d)
+void FILE_GET(FILE *file, int offset, void *buffer, int num_bytes)
 {
-  return 0;
+  if (offset != -1)
+    fseek(file, offset - 1, SEEK_SET);
+
+  while (num_bytes--)
+    *(byte *)buffer++ = fgetc(file);
 }
 
 int FILE_PUT(FILE *a, int b, void *c, int d)
@@ -149,12 +185,21 @@ char *Hex(int a)
 
 int FileLen(char *a)
 {
-  return 0;
+  struct stat buffer;
+
+  if (stat(a, &buffer) == 0)
+  {
+    return buffer.st_size;
+  }
+  else
+  {
+    return 0;
+  }
 }
 
-long GetTickCount()
+long MyGetTickCount()
 {
-  return 0;
+  return random_linux_libc(RANDOM_SIMPLE);
 }
 
 int GetAttr(char *a)
@@ -162,17 +207,16 @@ int GetAttr(char *a)
   return 0;
 }
 
-void DoEvents()
-{
-  return;
-}
-
 void SaveSetting(const char * a, const char *b, char *c, int d)
 {
   return;
 }
 
+#if 0
+
 long GetTempPath(long a, char *b)
 {
   return 0;
 }
+
+#endif