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helpers.cpp: fix narrowing conversion

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switch expression is 'int', but f_type gets stored as 'long unsigned int' on 32-bit machines since it may not fit otherwise. Recent compilers diagnose this and bail out with:

../../../git/src/system/helpers.cpp:330:9: error: narrowing conversion of '2240043254' from 'long unsigned int' to 'int' [-Wnarrowing]

casting the switch expression to long unsigned int seems to be the solution.

in short: this fixes the build for 32-bit machines with gcc ≥ 10.x

Signed-off-by: Markus Volk <f_l_k@t-online.de>
This commit is contained in:
Markus Volk
2020-08-04 07:29:26 +02:00
parent 0b1ad5988d
commit 7c5f7573e6
1 changed files with 1 additions and 1 deletions
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src/system/helpers.cpp
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@@ -326,7 +326,7 @@ int check_dir(const char * dir, bool allow_tmp)
int ret = -1;
struct statfs s;
if (::statfs(dir, &s) == 0) {
switch (s.f_type) {
switch ((long unsigned int)s.f_type) {
case 0x858458f6L: // ramfs
case 0x1021994L: // tmpfs
if(allow_tmp)