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Fix string trim() issue in TaglibMetadataReader that was causing

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crashing in strings consisting of nothing but whitespace.
This commit is contained in:
casey langen 2022-08-21 20:26:24 -07:00
parent 47a2dc4055
commit 52fe847bfa
1 changed files with 10 additions and 7 deletions
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17
src/plugins/taglib_plugin/TaglibMetadataReader.cpp
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@ -106,22 +106,25 @@ namespace str {
std::string trim(const std::string& str) {
if (str.size()) {
int start = 0;
for (size_t i = 0; i < str.length(); i++) {
int length = (size_t) str.size();
int start = 0, end = length;
int i = 0;
while (i < length) {
if (!isSpace(str[i])) {
break;
}
++start;
++i;
}
int end = (int)str.length();
for (size_t i = str.length() - 1; i >= 0; i--) {
i = end - 1;
while (i >= 0) {
if (!isSpace(str[i])) {
break;
}
--end;
--i;
}
if (end > start) {
std::string result = str.substr((size_t)start, (size_t)end - start);
if (end >= start) {
std::string result = str.substr((size_t) start, (size_t) end - start);
return result;
}
}