util.h File Reference

Public platform utility API for string, memory, and file operations. More...

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Macros
#define	PLATFORM_O_RDONLY   O_RDONLY
	Open file for reading only.
#define	PLATFORM_O_WRONLY   O_WRONLY
	Open file for writing only.
#define	PLATFORM_O_RDWR   O_RDWR
	Open file for reading and writing.
#define	PLATFORM_O_CREAT   O_CREAT
	Create file if it doesn't exist.
#define	PLATFORM_O_EXCL   O_EXCL
	Fail if file already exists (with O_CREAT)
#define	PLATFORM_O_TRUNC   O_TRUNC
	Truncate file to zero length if it exists.
#define	PLATFORM_O_APPEND   O_APPEND
	Append to end of file.
#define	PLATFORM_O_BINARY   0
	Open file in binary mode (Windows)

Functions
int	platform_snprintf (char *str, size_t size, const char *format,...)
	Safe string formatting (snprintf replacement)
int	platform_vsnprintf (char *str, size_t size, const char *format, va_list ap)
	Safe variable-argument string formatting.
char *	platform_strdup (const char *s)
	Duplicate string (strdup replacement)
char *	platform_strndup (const char *s, size_t n)
	Duplicate string with length limit (strndup replacement)
int	platform_strcasecmp (const char *s1, const char *s2)
	Case-insensitive string comparison.
int	platform_strncasecmp (const char *s1, const char *s2, size_t n)
	Case-insensitive string comparison with length limit.
char *	platform_strtok_r (char *str, const char *delim, char **saveptr)
	Thread-safe string tokenization (strtok_r replacement)
size_t	platform_strlcpy (char *dst, const char *src, size_t size)
	Safe string copy with size tracking (strlcpy)
size_t	platform_strlcat (char *dst, const char *src, size_t size)
	Safe string concatenation with size tracking (strlcat)
int	platform_strncpy (char *dst, size_t dst_size, const char *src, size_t count)
	Safe string copy with explicit size bounds (strncpy replacement)
void *	platform_aligned_alloc (size_t alignment, size_t size)
	Allocate aligned memory.
void	platform_aligned_free (void *ptr)
	Free aligned memory.
void	platform_memory_barrier (void)
	Perform memory barrier/fence operation.
const char *	platform_strerror (int errnum)
	Get thread-safe error string.
int	platform_get_last_error (void)
	Get last platform error code.
void	platform_set_last_error (int error)
	Set platform error code.
int	platform_open (const char *pathname, int flags,...)
	Safe file open (open replacement)
FILE *	platform_fopen (const char *filename, const char *mode)
	Safe file open stream (fopen replacement)
FILE *	platform_fdopen (int fd, const char *mode)
	Convert file descriptor to stream (fdopen replacement)
ssize_t	platform_read (int fd, void *buf, size_t count)
	Safe file read (read replacement)
int	platform_close (int fd)
	Safe file close (close replacement)
int	platform_unlink (const char *pathname)
	Delete/unlink file.
int	platform_chmod (const char *pathname, int mode)
	Change file permissions/mode.
Cross-Platform Utility Functions
ssize_t	platform_write (int fd, const void *buf, size_t count)
	Platform-safe write function.

Detailed Description

Public platform utility API for string, memory, and file operations.

Definition in file platform/util.h.