gccgcc attribute: format, format_arg2026-04-08The format attribute specifies that a function takes printf, scanf, strftime or strfmon style arguments which should be type-checked against a format string.attributeRead More
gccgcc builtin: choose_expr2026-04-07You can use the built-in function __builtin_choose_expr to evaluate code depending on the value of a constant expression. This built-in function returns exp1 if const_exp, which is an integer constant expression, is nonzero. Otherwise it returns exp2.gcc_builtinRead More
gccgcc builtin: alloca2026-04-06The alloca() function allocates size bytes of space in the stack frame of the caller. This temporary space is automatically freed when the function that called alloca() returns to its caller.gcc_builtinRead More
gccgcc options: -fsigned-char2026-04-02A guide to understanding and using the -fsigned-char and -funsigned-char GCC options to control the signedness of plain char.gcc_optionsRead More
gccgcc attribute: nonnull2026-04-01The nonnull attribute specifies that some function parameters should be non-null pointers. This allows the compiler to check at compile-time if a null pointer is passed to these arguments.attributeRead More
gccNULL != 02026-03-28Exploring why NULL and 0 are not equivalent in GNU C through pre-processor results and memory analysis.gnuRead More
gccgcc attribute: cleanup2026-03-26The cleanup attribute runs a function when a variable goes out of scope. This attribute can only be applied to auto function scope variables.attributeRead More
gccgcc options: -Wformat2026-03-25Explore the -Wformat option in GCC to detect format string errors and security vulnerabilities at compile time.gcc_optionsRead More
stashFixing Read-only File System and ADB Remount Failure2026-03-24How to resolve 'read-only file system' errors by disabling dm-verity and remounting partitions via ADB.aospRead More
stashConfigure PM2 Startup for Automatic Reboot2026-03-24How to use 'pm2 startup' to ensure PM2 processes start automatically after a system reboot.linuxRead More
