X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_sp%2Fvb_lib.c;h=5c1dae75010089def694009c81b8c0c7162ed039;hb=2af2c61f4dde2d22c1dc0e8dfad033b40d81dc6c;hp=c4df2cf3d853ce0493659bcec7a4623251287b6b;hpb=e63e92923fa0196ba7d538d4c8f5a16994e3bee8;p=rocksndiamonds.git

diff --git a/src/game_sp/vb_lib.c b/src/game_sp/vb_lib.c
index c4df2cf3..5c1dae75 100644
--- a/src/game_sp/vb_lib.c
+++ b/src/game_sp/vb_lib.c
@@ -9,13 +9,34 @@
 
 #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 checked_calloc(a * (c - b + 1));
 }
 
+#endif
+
 void *REDIM_2D(int a, int b, int c, int d, int e)
 {
   return 0;
@@ -55,16 +76,25 @@ 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;
+  }
 }
 
 
-void FILE_GET(FILE *a, int b, void *c, int d)
+void FILE_GET(FILE *file, int offset, void *buffer, int num_bytes)
 {
-  fseek(a, b, SEEK_SET);
+  fseek(file, offset - 1, SEEK_SET);
 
-  while (d--)
-    *(byte *)c++ = fgetc(a);
+  while (num_bytes--)
+    *(byte *)buffer++ = fgetc(file);
 }
 
 int FILE_PUT(FILE *a, int b, void *c, int d)
@@ -154,12 +184,21 @@ 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()
 {
-  return 0;
+  return random_linux_libc(RANDOM_SIMPLE);
 }
 
 int GetAttr(char *a)