string.c File Reference

String utility functions for WASM/Emscripten. More...

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Functions
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)
int	platform_strcasecmp (const char *s1, const char *s2)
	Case-insensitive string comparison.
int	platform_asprintf (char **strp, const char *fmt,...)
	Allocate formatted string (asprintf replacement)
char *	platform_strdup (const char *s)
	Duplicate string (strdup replacement)
asciichat_error_t	platform_memcpy (void *dest, size_t dest_size, const void *src, size_t count)
	Platform-safe memcpy wrapper.
asciichat_error_t	platform_memset (void *dest, size_t dest_size, int ch, size_t count)
	Platform-safe memset wrapper.
int	platform_vsnprintf (char *str, size_t size, const char *format, va_list ap)
	Safe variable-argument string formatting.
int	platform_strncasecmp (const char *s1, const char *s2, size_t n)
	Case-insensitive string comparison with length limit.
asciichat_error_t	platform_strcpy (char *dest, size_t dest_size, const char *src)
	Platform-safe strcpy wrapper.

Detailed Description

String utility functions for WASM/Emscripten.

Definition in file platform/wasm/string.c.

Function Documentation

platform_strlcat()

size_t platform_strlcat	(	char *	dst,
		const char *	src,
		size_t	size
	)

Definition at line 27 of file platform/wasm/string.c.

                                                                 {
  size_t dst_len = strlen(dst);
  size_t src_len = strlen(src);
 
  if (dst_len >= size) {
    return dst_len + src_len;
  }
 
  size_t remaining = size - dst_len;
  size_t copy_len = (src_len >= remaining) ? remaining - 1 : src_len;
  memcpy(dst + dst_len, src, copy_len);
  dst[dst_len + copy_len] = '\0';
 
  return dst_len + src_len;
}