data-models

LP64 and LLP64 data models

Programming C Integer Literal Promotion: Windows vs Linux Diff

Why does C integer literal promotion for 2654435769 differ between Windows (LLP64) and Linux (LP64)? Explains signed vs unsigned rules, truncation in uint32_t mul, and fix with 'u' suffix for cross-platform code.

#c
#programming
#cross-platform
#integer-promotion
#data-models

1 answer• 1 view

01/01/2026, 04:24 PM