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fail nicely when trying to open a directory

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This commit is contained in:
Maxime Coste 2012-12-05 13:59:08 +01:00
parent ce6e864772
commit 479bb9df2c
1 changed files with 5 additions and 0 deletions
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5
src/file.cc
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@ -83,6 +83,11 @@ Buffer* create_buffer_from_file(const String& filename)
} }
struct stat st; struct stat st;
fstat(fd, &st); fstat(fd, &st);
if (S_ISDIR(st.st_mode))
{
close(fd);
throw file_access_error(filename, "is a directory");
}
const char* data = (const char*)mmap(nullptr, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); const char* data = (const char*)mmap(nullptr, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
auto cleanup = on_scope_end([&]{ munmap((void*)data, st.st_size); close(fd); }); auto cleanup = on_scope_end([&]{ munmap((void*)data, st.st_size); close(fd); });