1 files changed, 118 insertions, 0 deletions
diff --git a/reference/C/EXAMPLES/convesc.c b/reference/C/EXAMPLES/convesc.c
new file mode 100644
index 0000000..f79b11e
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+++ b/reference/C/EXAMPLES/convesc.c
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+
+/**********************************************************************
+ *
+ *   Description: If a text string is created outside of C, the 
+ *                escape codes are not correctly stored. This 
+ *                routine will prepare them for C's use.
+ *             
+ *   Author :     M.J. Leslie
+ *   Date:        25-Feb-96
+ *
+ *********************************************************************/
+
+void mos_ConvertEscapeCode(char *String, char *Code);
+
+int main(int argc, char *argv[])
+{
+  if (argc == 1)
+  {
+    puts("\n\tPlease provide a text string on the command line.");
+  }
+  else
+  {
+    printf("I/P string is: %s\n", argv[1]);
+    mos_ConvertEscapeCode(argv[1], "\\n");
+    mos_ConvertEscapeCode(argv[1], "\\t");
+    mos_ConvertEscapeCode(argv[1], "\\v");
+    mos_ConvertEscapeCode(argv[1], "\\b");
+    mos_ConvertEscapeCode(argv[1], "\\r");
+    mos_ConvertEscapeCode(argv[1], "\\f");
+    printf("O/P string is: %s\n", argv[1]);
+  }
+}
+
+/**********************************************************************
+ *
+ *   Purpose: To convert escape codes in text form into
+ *            actual codes. 
+ *
+ *   I/P       -------------------------------
+ *            | A | B | C | \ | n | D | E | F |
+ *             -------------------------------
+ *
+ *   O/P       ----------------------------
+ *            | A | B | C | \n | D | E | F |
+ *             ----------------------------
+ *
+ **********************************************************************/
+
+void mos_ConvertEscapeCode(char *String, char *Code)
+{
+  char *Ptr1;
+  char *Ptr2;
+  char  EscCode = ' ';
+  
+  /* ...	Make sure the Code is long enough */
+
+  if (strlen(Code) == 2)
+  {
+
+    /* ...	Find the right escape code. */
+
+    switch(Code[1])
+    {
+    case 'n':			/* New line */
+      EscCode = '\n';
+      break;    
+    case 't':			/* Horizontal tab */
+      EscCode = '\t';
+      break;
+    case 'v':			/* Vertical tab */
+      EscCode = '\v';
+      break;    
+    case 'b':			/* Backspace */
+      EscCode = '\b';
+      break;    
+    case 'r':			/* Return */
+      EscCode = '\r';
+      break;    
+    case 'f':			/* Form feed */
+      EscCode = '\f';
+      break;
+    default:
+      break;
+    }
+    
+    /* ...	If the escape code has been found */
+
+    if (EscCode != ' ')
+    {
+      
+      /* ...	Copy each character until the text code is found, 
+	 ...	insert the escape code and copy the remaining chars. */
+
+      for (Ptr1=Ptr2=String; Ptr2 < (String+strlen(String)+1); Ptr1++, Ptr2++)
+      {
+	if ((*Ptr2 == '\\') && (*(Ptr2+1) == Code[1])) 
+	{
+	  *Ptr1 = EscCode;
+	  Ptr2++;
+	}
+	else
+	{
+	  *Ptr1 = *Ptr2;
+	}
+      }
+    }
+  }
+}
+
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