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fix(string_util): Ensure find != replace

This commit is contained in:
Michael Carlberg 2016-10-18 06:29:25 +02:00
parent d7d953d40a
commit 334dc7731d
1 changed files with 2 additions and 2 deletions
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4
include/utils/string.hpp
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@ -46,7 +46,7 @@ namespace string_util {
inline auto replace(const string& haystack, string needle, string replacement) {
string str(haystack);
string::size_type pos;
if ((pos = str.find(needle)) != string::npos)
if (needle != replacement && (pos = str.find(needle)) != string::npos)
str = str.replace(pos, needle.length(), replacement);
return str;
}
@ -56,7 +56,7 @@ namespace string_util {
*/
inline auto replace_all(const string& haystack, string needle, string replacement) {
auto result = haystack;
while (result.find(needle) != string::npos)
while (needle != replacement && result.find(needle) != string::npos)
result = replace(result, needle, replacement);
return result;
}