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Fix OOB read in trim("")

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ShadowNinja 2022-01-29 22:50:43 -05:00 committed by sfan5
parent cc91477308
commit d945d0129c
1 changed files with 2 additions and 2 deletions
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4
src/util/string.h
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@ -295,11 +295,11 @@ inline std::string lowercase(const std::string &str)
inline std::string trim(const std::string &str) inline std::string trim(const std::string &str)
{ {
size_t front = 0; size_t front = 0;
size_t back = str.size();
while (std::isspace(str[front])) while (front < back && std::isspace(str[front]))
++front; ++front;
size_t back = str.size();
while (back > front && std::isspace(str[back - 1])) while (back > front && std::isspace(str[back - 1]))
--back; --back;