libtecla/common/stringrp.c

41 #include <string.h>
51  * called string-segments are used.
81  *                         string that can be stored, and for efficiency
83  *                         the average string that will be stored.
143  * Delete the list nodes that contained the string segments.
156  * Make a copy of a string in the specified string group, and return
160  *  sg      StringGroup *  The group to store the string in.
161  *  string   const char *  The string to be recorded.
165  *  return         char *  The pointer to the copy of the string,
168 char *_sg_store_string(StringGroup *sg, const char *string, int remove_escapes)
170   char *copy;           /* The recorded copy of string[] */
175   if(!sg || !string)
178  * Get memory for the string.
180   len = strlen(string);
184  * If needed, remove backslash escapes while copying the input string
185  * into the cache string.
190       const char *src = string;    /* A pointer into the input string */
192                                    /*  string. */
204  * If escapes have already been removed, copy the input string directly
208       strlcpy(copy, string, len + 1);
212  * Return a pointer to the copy of the string (or NULL if the allocation
219  * Allocate memory for a string of a given length.
222  *  sg      StringGroup *  The group to store the string in.
223  *  length          int    The required length of the string.
225  *  return         char *  The pointer to the copy of the string,
230   StringSegment *node;  /* A node of the list of string segments */
231   char *copy;           /* The allocated string */
233  * If the string is longer than block_size, then we can't record it.
238  * See if there is room to record the string in one of the existing
239  * string segments. Do this by advancing the node pointer until we find
245  * If there wasn't room, allocate a new string segment.
258  * Attempt to allocate the string segment character array.
270  * Get memory for the string.
275  * Return a pointer to the string memory.
289   StringSegment *node;   /* A node in the list of string segments */
291  * Mark all of the string segments as unoccupied.