Every story tagged C Programming, curated for CIOs and IT leaders — ranked by source credibility, engagement, and freshness.
4 stories · open in the command center
This article argues that undefined behavior (UB) in C and C++ is pervasive and nearly impossible to avoid, even for expert programmers, making these languages fundamentally unreliable for critical systems. The author presents concrete examples showing how subtle UB vulnerabilities exist across alignment issues, type casting, and standard library functions, with unpredictable outcomes across different architectures and compiler versions. For IT organizations, this has significant strategic implications: continued reliance on C/C++ for mission-critical infrastructure poses increasing security and reliability risks, and enterprises should evaluate migration strategies toward memory-safe languages for new development and high-risk legacy systems.
Microsoft's lib0xc is a safety-focused C library that addresses critical memory safety vulnerabilities in systems programming through compile-time bounds checking, type-safe APIs, and familiar standard library alternatives—reducing the attack surface of legacy C codebases without requiring full rewrites. For IT organizations managing critical infrastructure or security-sensitive systems built in C, this library can significantly lower vulnerability risk and development friction by making safer coding patterns the default rather than requiring workarounds. Strategic adoption could reduce incident response costs related to buffer overflows and memory corruption while improving code maintainability across existing C portfolios.
This article examines how calling C functions with incorrect parameter counts—particularly too few parameters—can cause undefined behavior and memory corruption across different processor architectures, with the Itanium architecture providing the strictest enforcement through architectural controls that explicitly detect and fault on parameter mismatches. For IT organizations, this highlights a critical code quality and system stability risk: improper function calls can lead to unpredictable crashes, data corruption, and security vulnerabilities that are difficult to diagnose, making robust compile-time checking and code review practices essential safeguards in development environments.
CJIT is a lightweight, portable C compiler and interpreter that enables rapid application development and instant deployment across Windows, macOS, and Linux platforms with a single-file footprint. For IT organizations, this tool reduces infrastructure complexity and deployment overhead while supporting dynamic library integration, potentially lowering development costs and accelerating time-to-market for C-based applications. The cross-platform portability and minimal resource requirements make it strategically valuable for organizations managing diverse technology environments or seeking to streamline their development toolchain.