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Avoid dereference before null check

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This commit is contained in:
Carles Fernandez
2018-05-22 00:32:00 +02:00
parent bdce3c20d1
commit bc86d7d665
1 changed files with 1 additions and 1 deletions
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2
src/tests/common-files/gnuplot_i.h
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@@ -1965,7 +1965,7 @@ bool Gnuplot::get_program_path()
path = std::getenv("PATH"); path = std::getenv("PATH");
char secured_path[4096]; char secured_path[4096];
size_t len = strlen(path); size_t len = strlen(path);
if (path && len < 4046 * sizeof(char)) if (len > 0 && len < 4046 * sizeof(char))
{ {
strncpy(secured_path, path, sizeof(secured_path)); strncpy(secured_path, path, sizeof(secured_path));
} }