string.c File Reference

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

Go to the source code of this file.

Functions
size_t	platform_strlcpy (char *dst, const char *src, size_t size)
size_t	platform_strlcat (char *dst, const char *src, size_t size)
int	platform_strcasecmp (const char *s1, const char *s2)
int	platform_asprintf (char **strp, const char *fmt,...)
char *	platform_strdup (const char *s)
asciichat_error_t	platform_memcpy (void *dest, size_t dest_size, const void *src, size_t count)
asciichat_error_t	platform_memset (void *dest, size_t dest_size, int ch, size_t count)
int	platform_vsnprintf (char *str, size_t size, const char *format, va_list ap)
int	platform_strncasecmp (const char *s1, const char *s2, size_t n)

Detailed Description

String utility functions for WASM/Emscripten.

Definition in file platform/wasm/string.c.

Function Documentation

platform_asprintf()

int platform_asprintf	(	char **	strp,
		const char *	fmt,
			...
	)

Definition at line 48 of file platform/wasm/string.c.

                                                         {
  // Use standard asprintf (available in WASM/Emscripten)
  va_list args;
  va_start(args, fmt);
  int ret = vasprintf(strp, fmt, args);
  va_end(args);
  return ret;
}

References args.

platform_memcpy()

asciichat_error_t platform_memcpy	(	void *	dest,
		size_t	dest_size,
		const void *	src,
		size_t	count
	)

Definition at line 62 of file platform/wasm/string.c.

                                                                                               {
  if (!dest || !src) {
    return ERROR_INVALID_PARAM;
  }
  if (count > dest_size) {
    return ERROR_INVALID_PARAM; // Buffer overflow protection
  }
  memcpy(dest, src, count);
  return ASCIICHAT_OK;
}

platform_memset()

asciichat_error_t platform_memset	(	void *	dest,
		size_t	dest_size,
		int	ch,
		size_t	count
	)

Definition at line 73 of file platform/wasm/string.c.

                                                                                      {
  if (!dest) {
    return ERROR_INVALID_PARAM;
  }
  if (count > dest_size) {
    return ERROR_INVALID_PARAM; // Buffer overflow protection
  }
  memset(dest, ch, count);
  return ASCIICHAT_OK;
}

platform_strcasecmp()

int platform_strcasecmp	(	const char *	s1,
		const char *	s2
	)

Definition at line 43 of file platform/wasm/string.c.

                                                        {
  // Use standard strcasecmp (available in WASM)
  return strcasecmp(s1, s2);
}

Referenced by color_filter_from_cli_name(), detect_terminal_background(), options_init(), validate_opt_log_level(), and validate_opt_reconnect().

platform_strdup()

char * platform_strdup

(

const char *

s

)

Definition at line 57 of file platform/wasm/string.c.

                                     {
  // Use standard strdup (available in WASM)
  return strdup(s);
}

Referenced by config_create_default(), config_load_and_apply(), expand_path(), media_source_create(), options_builder_add_example(), options_config_validate(), parse_audio_source(), parse_client_address(), parse_color_filter(), parse_color_mode(), parse_color_setting(), parse_log_file(), parse_log_level(), parse_palette_chars(), parse_palette_type(), parse_port_option(), parse_render_mode(), parse_server_bind_address(), parse_ssh_private_key(), parse_timestamp(), parse_utf8_setting(), parse_volume(), platform_is_binary_in_path(), remove_known_host(), symbol_cache_insert(), symbol_cache_lookup(), symbol_cache_resolve_batch(), and validate_port_callback().

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;
}

platform_strlcpy()

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

Definition at line 13 of file platform/wasm/string.c.

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

Referenced by detect_terminal_capabilities(), platform_get_cwd(), and platform_get_temp_dir().

platform_strncasecmp()

int platform_strncasecmp	(	const char *	s1,
		const char *	s2,
		size_t	n
	)

Definition at line 88 of file platform/wasm/string.c.

                                                                   {
  return strncasecmp(s1, s2, n);
}

platform_vsnprintf()

int platform_vsnprintf	(	char *	str,
		size_t	size,
		const char *	format,
		va_list	ap
	)

Definition at line 84 of file platform/wasm/string.c.

                                                                               {
  return vsnprintf(str, size, format, ap);
}

Referenced by safe_snprintf(), and safe_vsnprintf().