1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 /* Headers and miscellaneous. */
33 #define strrchr rindex
36 char *strchr (), *strrchr ();
40 char *strtok_r (char *, const char *, char **);
44 char *stpcpy (char *dest, const char *src);
48 int strcasecmp (const char *s1, const char *s2);
52 int strncasecmp (const char *s1, const char *s2, size_t n);
56 void *memmem (const void *haystack, size_t haystack_len,
57 const void *needle, size_t needle_len);
60 /* sprintf() wrapper functions for convenience. */
62 /* spprintf() calls sprintf() and returns the address of the null
63 terminator in the resulting string. It should be portable the way
64 it's been implemented. */
67 #define spprintf(BUF, FORMAT, ARGS...) \
68 ((BUF) + sprintf ((BUF), (FORMAT) , ## ARGS))
70 #define spprintf(BUF, FORMAT, ARGS...) \
71 ({ sprintf ((BUF), (FORMAT) , ## ARGS); \
74 #else /* Not GNU C. */
75 char *spprintf (char *buf, const char *format, ...);
76 #endif /* Not GNU C. */
78 /* nsprintf() calls sprintf() and returns the strlen() of the
79 resulting string. It should be portable the way it's been
83 #define nsprintf(BUF, FORMAT, ARGS...) \
84 (sprintf ((BUF), (FORMAT) , ## ARGS))
85 #define nvsprintf(BUF, FORMAT, ARGS) \
86 (vsprintf ((BUF), (FORMAT), (ARGS)))
87 #else /* Not good sprintf(). */
88 #define nsprintf(BUF, FORMAT, ARGS...) \
91 sprintf ((pbuf), (FORMAT) , ## ARGS); \
94 #define nvsprintf(BUF, FORMAT, ARGS) \
97 vsprintf ((pbuf), (FORMAT), (ARGS)); \
100 #endif /* Not good sprintf(). */
101 #else /* Not GNU C. */
102 #if HAVE_GOOD_SPRINTF
103 #define nsprintf sprintf
104 #define nvsprintf vsprintf
105 #else /* Not good sprintf(). */
106 int nsprintf (char *buf, const char *format, ...);
107 int nvsprintf (char *buf, const char *format, va_list args);
108 #endif /* Not good sprintf(). */
109 #endif /* Not GNU C. */
112 long getline (char **lineptr, size_t *n, FILE *stream);
116 long getdelim (char **lineptr, size_t * n, int delimiter, FILE * stream);
121 void mm_reverse (void *, size_t);
122 char *mm_find_reverse (const char *, size_t, const char *, size_t);
124 int st_compare_pad (const char *, size_t, const char *, size_t);
125 char *st_spaces (int);
126 void st_bare_pad_copy (char *dest, const char *src, size_t n);
127 void st_bare_pad_len_copy (char *dest, const char *src, size_t n, size_t len);
128 void st_pad_copy (char *dest, const char *src, size_t n);
130 /* Lengthed strings. */
137 void ls_create (struct len_string *, const char *);
138 void ls_create_buffer (struct len_string *,
139 const char *, size_t len);
140 void ls_init (struct len_string *, const char *, size_t);
141 void ls_shallow_copy (struct len_string *, const struct len_string *);
142 void ls_destroy (struct len_string *);
144 void ls_null (struct len_string *);
145 int ls_null_p (const struct len_string *);
146 int ls_empty_p (const struct len_string *);
148 size_t ls_length (const struct len_string *);
149 char *ls_c_str (const struct len_string *);
150 char *ls_end (const struct len_string *);
154 ls_length (const struct len_string *st)
160 ls_c_str (const struct len_string *st)
166 ls_end (const struct len_string *st)
168 return st->string + st->length;
172 /* Dynamic strings. */
176 size_t length; /* Length, not including a null terminator. */
177 size_t capacity; /* Allocated capacity, not including one
178 extra byte allocated for null terminator. */
179 char *string; /* String data, not necessarily null
183 /* Constructors, destructors. */
184 void ds_create (struct string *, const char *);
185 void ds_init (struct string *, size_t);
186 void ds_destroy (struct string *);
188 /* Copy, shrink, extend. */
189 void ds_replace (struct string *, const char *);
190 void ds_clear (struct string *);
191 void ds_extend (struct string *, size_t);
192 void ds_shrink (struct string *);
193 void ds_truncate (struct string *, size_t);
194 void ds_rpad (struct string *, size_t length, char pad);
197 size_t ds_length (const struct string *);
198 char *ds_c_str (const struct string *);
199 char *ds_data (const struct string *);
200 char *ds_end (const struct string *);
201 size_t ds_capacity (const struct string *);
205 int ds_gets (struct string *, FILE *);
206 int ds_get_config_line (FILE *, struct string *, struct file_locator *);
209 void ds_putc (struct string *, int ch);
210 void ds_puts (struct string *, const char *);
211 void ds_concat (struct string *, const char *, size_t);
212 void ds_vprintf (struct string *st, const char *, va_list);
213 void ds_printf (struct string *, const char *, ...)
214 PRINTF_FORMAT (2, 3);
218 ds_putc (struct string *st, int ch)
220 if (st->length == st->capacity)
221 ds_extend (st, st->length + 1);
222 st->string[st->length++] = ch;
226 ds_length (const struct string *st)
232 ds_c_str (const struct string *st)
234 ((char *) st->string)[st->length] = '\0';
239 ds_data (const struct string *st)
245 ds_end (const struct string *st)
247 return st->string + st->length;