X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fstr.h;h=9b90cf60f93695e4e6715b2b0d82e782905f3ab4;hb=cd7b08ad5e6bbec75e778acf008f84e1eb548154;hp=dedcc10daacdf063499dea1389bb076ca4b9bdec;hpb=4944c86a9318bc5b5578ab145a95c116ffd2c9fd;p=pspp-builds.git diff --git a/src/str.h b/src/str.h index dedcc10d..9b90cf60 100644 --- a/src/str.h +++ b/src/str.h @@ -40,7 +40,7 @@ char *strtok_r (char *, const char *, char **); #endif -#if !HAVE_STPCPY && !__linux__ +#if !HAVE_STPCPY char *stpcpy (char *dest, const char *src); #endif @@ -121,7 +121,7 @@ long getdelim (char **lineptr, size_t * n, int delimiter, FILE * stream); void mm_reverse (void *, size_t); char *mm_find_reverse (const char *, size_t, const char *, size_t); -int st_compare_pad (const char *, int, const char *, int); +int st_compare_pad (const char *, size_t, const char *, size_t); char *st_spaces (int); void st_bare_pad_copy (char *dest, const char *src, size_t n); void st_bare_pad_len_copy (char *dest, const char *src, size_t n, size_t len); @@ -134,60 +134,90 @@ struct len_string size_t length; }; -struct pool; -void ls_create (struct pool *, struct len_string *, const char *); -void ls_create_buffer (struct pool *, struct len_string *, +void ls_create (struct len_string *, const char *); +void ls_create_buffer (struct len_string *, const char *, size_t len); void ls_init (struct len_string *, const char *, size_t); void ls_shallow_copy (struct len_string *, const struct len_string *); -void ls_destroy (struct pool *, struct len_string *); +void ls_destroy (struct len_string *); void ls_null (struct len_string *); int ls_null_p (const struct len_string *); int ls_empty_p (const struct len_string *); size_t ls_length (const struct len_string *); -char *ls_value (const struct len_string *); +char *ls_c_str (const struct len_string *); char *ls_end (const struct len_string *); + +#if __GNUC__ > 1 +extern inline size_t +ls_length (const struct len_string *st) +{ + return st->length; +} + +extern inline char * +ls_c_str (const struct len_string *st) +{ + return st->string; +} + +extern inline char * +ls_end (const struct len_string *st) +{ + return st->string + st->length; +} +#endif /* Dynamic strings. */ struct string { - struct pool *pool; - size_t length; - size_t size; - char *string; + size_t length; /* Length, not including a null terminator. */ + size_t capacity; /* Allocated capacity, not including one + extra byte allocated for null terminator. */ + char *string; /* String data, not necessarily null + terminated. */ }; -void ds_create (struct pool *, struct string *, const char *); -void ds_init (struct pool *, struct string *, size_t size); -void ds_replace (struct string *, const char *); +/* Constructors, destructors. */ +void ds_create (struct string *, const char *); +void ds_init (struct string *, size_t); void ds_destroy (struct string *); + +/* Copy, shrink, extend. */ +void ds_replace (struct string *, const char *); void ds_clear (struct string *); -void ds_extend (struct string *, size_t min_size); +void ds_extend (struct string *, size_t); void ds_shrink (struct string *); -void ds_truncate (struct string *, size_t length); +void ds_truncate (struct string *, size_t); +void ds_rpad (struct string *, size_t length, char pad); +/* Inspectors. */ size_t ds_length (const struct string *); -char *ds_value (const struct string *); +char *ds_c_str (const struct string *); +char *ds_data (const struct string *); char *ds_end (const struct string *); -size_t ds_size (const struct string *); +size_t ds_capacity (const struct string *); +/* File input. */ struct file_locator; -int ds_getline (struct string *st, FILE *stream); +int ds_gets (struct string *, FILE *); int ds_get_config_line (FILE *, struct string *, struct file_locator *); -void ds_putchar (struct string *, int ch); -void ds_concat (struct string *, const char *); -void ds_concat_buffer (struct string *, const char *buf, size_t len); + +/* Append. */ +void ds_putc (struct string *, int ch); +void ds_puts (struct string *, const char *); +void ds_concat (struct string *, const char *, size_t); +void ds_vprintf (struct string *st, const char *, va_list); void ds_printf (struct string *, const char *, ...) - __attribute__ ((format (printf, 2, 3))); + PRINTF_FORMAT (2, 3); #if __GNUC__ > 1 extern inline void -ds_putchar (struct string *st, int ch) +ds_putc (struct string *st, int ch) { - if (st->length == st->size) + if (st->length == st->capacity) ds_extend (st, st->length + 1); st->string[st->length++] = ch; } @@ -199,12 +229,18 @@ ds_length (const struct string *st) } extern inline char * -ds_value (const struct string *st) +ds_c_str (const struct string *st) { ((char *) st->string)[st->length] = '\0'; return st->string; } +extern inline char * +ds_data (const struct string *st) +{ + return st->string; +} + extern inline char * ds_end (const struct string *st) {