parthsarthiprasad

/*****
        rw_png_v2.chpl -
        Program that reads a PNG file from disk, prints the RGB values found
        at one pixel, changes it to 1, 2, 3, and writes the change to disk.
        This version accesses the image data directly from Chapel.

        Call:
          rw_png_v2
            --inname=<file>    file to read from

parthsarthiprasad

inline proc findAll(needle: string, region: range(?) = 1:byteIndex..): []
{

  /*
    find all occurrences of needle in string.
    return type :-  integer array containing starting indices of matched pattern. (1-based indexing)
                    empty array if no index found

parthsarthiprasad

use String;
use ByteBufferHelpers;
inline proc doComp(a: ?t1, b: ?t2, c:int, d:int) {
return _strcmp(a.buff+c-1, d-c+1, a.locale_id, b.buff, b.len, b.locale_id) == 0;
  }

var i : string = "asdfasdf5";
var j : string = "asdf";
if doComp(i, j, 1, 5)
{writeln(true);}