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Fix buffer overflow with strcpy

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This commit is contained in:
Jesse Millwood 2024-10-30 14:27:26 -04:00
parent ffcd96a6dd
commit 011236f238
1 changed files with 1 additions and 1 deletions
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2
libs/chapter12/reverse_string.cpp
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@ -9,7 +9,7 @@
void reverse_str(char *str){ void reverse_str(char *str){
size_t len = strlen(str); size_t len = strlen(str);
char *tmp = reinterpret_cast<char*>(malloc(len)); char *tmp = reinterpret_cast<char*>(malloc(len + 1));
strcpy(tmp, str); strcpy(tmp, str);
for(unsigned int offset = 0; offset < len; ++offset){ for(unsigned int offset = 0; offset < len; ++offset){
str[offset] = tmp[len-offset-1]; str[offset] = tmp[len-offset-1];