Changeset 15878 for trunk/Ohana/src/opihi/lib.shell/string.c

Timestamp:

Dec 16, 2007, 2:27:00 PM (18 years ago)

Author:

eugene

Message:

fixed cases of hard-wired line length; some api cleanup in stack_math

File:

• trunk/Ohana/src/opihi/lib.shell/string.c (modified) (1 diff)

trunk/Ohana/src/opihi/lib.shell/string.c

@@ -249 +249 @@
   return (c);
 }
+
+// append string defined by range start - stop to the end of output, which
+// currently has an allocated size of Noutput.  if this operation would overshoot Noutput, 
+// output is reallocated to a sufficiently large size
+char *opihi_append (char *output, int *Noutput, char *start, char *stop) {
+
+  int N1, N2, outlen;
+
+  // a NULL end pointer means 'go to end of line'
+  if (stop == NULL) {
+    stop = start + strlen(start);
+  }
+
+  // enough space?
+  N1 = strlen(output);
+  N2 = stop - start;
+  outlen = N1 + N2;
+  if (outlen >= *Noutput) {
+    *Noutput = outlen + 128;
+    REALLOCATE (output, char, *Noutput);
+    memset (&output[N1], 0, N2 + 128);
+  }
+
+  strncat (output, start, stop - start);
+  return output;
+}
+
+/* replace all instances of \A with A in line */
+void interpolate_slash (char *line) {
+
+  char *in, *out;
+
+  for (in = out = line; *in != 0; in++, out++) {
+    if (*in == 0x5c) in++;
+    *out = *in;
+    if (*in == 0) return;
+  }
+  *out = *in;
+}