mirror of https://github.com/xzeldon/htop.git
397b5c4bd0
If currently two unsigned values are compared via `a - b`, in the case b
is actually bigger than a, the result will not be an negative number (as
-1 is expected) but a huge positive number as the subtraction is an
unsigned subtraction.
Avoid over-/underflow affected operations; use comparisons.
Modern compilers will generate sane code, like:
xor eax, eax
cmp rdi, rsi
seta al
sbb eax, 0
ret
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|---|---|---|
| .. | ||
| Battery.c | ||
| Battery.h | ||
| IOPriority.h | ||
| IOPriorityPanel.c | ||
| IOPriorityPanel.h | ||
| LinuxProcess.c | ||
| LinuxProcess.h | ||
| LinuxProcessList.c | ||
| LinuxProcessList.h | ||
| Platform.c | ||
| Platform.h | ||
| PressureStallMeter.c | ||
| PressureStallMeter.h | ||
| SELinuxMeter.c | ||
| SELinuxMeter.h | ||
| SystemdMeter.c | ||
| SystemdMeter.h | ||
| ZramMeter.c | ||
| ZramMeter.h | ||
| ZramStats.h | ||