1 files changed, 66 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/SNIP/getstrng.c b/reference/C/CONTRIB/SNIP/getstrng.c
new file mode 100755
index 0000000..ee6178a
--- /dev/null
+++ b/reference/C/CONTRIB/SNIP/getstrng.c
@@ -0,0 +1,66 @@
+/*
+** GETSTRNG.C -- Demonstation of dynamic memory allocation to
+**               receive string of unknown length.
+**
+** Ron Sires 1/31/89, released to the public domain.
+** Bob Stout 2/18/93, modified to use a static buffer
+*/
+ 
+#include <stdlib.h>
+#include <stdio.h>
+ 
+#define BLOCKSIZ    16
+ 
+char *getstring(void)
+{
+      int    newchar;
+      size_t i;
+      static size_t bufsize = 0;
+      static char  *buffer  = NULL;
+
+      /* Get chars from keyboard and put them in buffer.  */
+
+      for (i = 0; ((newchar = getchar()) != EOF) && (newchar != '\n')
+            && (newchar != '\r'); ++i )
+      {
+            if (i + 1 > bufsize)
+            {
+                  /* If buffer is full, resize it. */
+
+                  if (NULL == (buffer = realloc(buffer, bufsize + BLOCKSIZ)))
+                  {
+                        puts("\agetstrng() - Insufficient memory");
+
+                        /* Add terminator to partial string */
+
+                        if (buffer)
+                              buffer[i] = '\0';
+                        return buffer;
+                  }
+                  bufsize += BLOCKSIZ;
+            }
+            buffer[i] = (char) newchar;
+      }
+      buffer[i] = '\0';   /* Tack on a null-terminator. */
+      return buffer;
+}
+
+#ifdef TEST
+
+#include <string.h>
+
+int main(void)
+{
+      char *string;
+
+      puts("Enter strings of any length or <Enter> to quit\n");
+      do
+      {
+            string = getstring();
+            printf("You entered:\n\"%s\"\n\n", string);
+      } while (strlen(string));
+      free(string);
+      return EXIT_SUCCESS;
+}
+
+#endif /* TEST */