github.com/rahart/packer@v0.12.2-0.20161229105310-282bb6ad370f/builder/azure/common/gluestrings.go (about)

     1  // Copyright (c) Microsoft Corporation. All rights reserved.
     2  // Licensed under the MIT License. See the LICENSE file in builder/azure for license information.
     3  
     4  package common
     5  
     6  // removes overlap between the end of a and the start of b and
     7  // glues them together
     8  func GlueStrings(a, b string) string {
     9  	shift := 0
    10  	for shift < len(a) {
    11  		i := 0
    12  		for (i+shift < len(a)) && (i < len(b)) && (a[i+shift] == b[i]) {
    13  			i++
    14  		}
    15  		if i+shift == len(a) {
    16  			break
    17  		}
    18  		shift++
    19  	}
    20  
    21  	return string(a[:shift]) + b
    22  }