Yhn HealthNutrition first seen 22 h ago, last 31 min ago, peak #7

Standard C lacks portable way to detect string-to-float conversion errors

Original: No portable way to detect string-to-float conversion errors in standard C

A write-up argues that standard C provides no portable method for reliably detecting errors when converting strings to floating-point numbers, leaving programmers without a dependable error-checking mechanism across platforms. Discussion is unfolding among developers about the limitations of strtod and related functions, with debate over workarounds and whether the standard should be revised to address the gap.

Why now: Developers are debating a long-standing gap in the C standard library that affects cross-platform code correctness.

C programming languagestrtodISO C standard

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Evidence

• No portable way to detect string-to-float conversion errors in standard C · signa11 · 66

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