1 files changed, 40 insertions, 0 deletions
diff --git a/4hexchat.c b/4hexchat.c
new file mode 100644
index 0000000..956a4a7
--- /dev/null
+++ b/4hexchat.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+  if(argc < 3){puts("Syntax: 4Hexchat Input Output"); return -1;}
+
+  FILE *File = fopen(argv[1],"rb");
+  if(File == NULL) {
+    fputs("Couldn't open file for reading",stderr); return 0;
+  }
+  fseek(File, 0, SEEK_END);
+  long FileSize = ftell(File);
+  rewind(File);
+  char *Buffer = (char*)malloc(sizeof(char)*FileSize);
+  if(Buffer == NULL) {
+    fclose(File);
+    fputs("Can't allocate memory",stderr); return 0;
+  }
+  if(FileSize != fread(Buffer,1,FileSize,File)) {
+    fclose(File);
+    fputs("Can't read from file",stderr); return 0;
+  }
+  fclose(File);
+  File = fopen(argv[2],"wb");
+  if(File == NULL) {
+    fputs("Couldn't open file for writing",stderr); return 0;
+  }
+
+  int i;
+  for(i=0;i<FileSize;i++) {
+    if(!memcmp(&Buffer[i], "xchat_", 6) && Buffer[i-1] != 'e') fprintf(File, "he");
+    if(!memcmp(&Buffer[i], "xchat-", 6) && Buffer[i-1] != 'e') fprintf(File, "he");
+    if(!memcmp(&Buffer[i], "XCHAT_", 6) && Buffer[i-1] != 'E') fprintf(File, "HE");
+    fputc(Buffer[i], File);
+  }
+  fclose(File);
+  free(Buffer);
+  return 1;
+}