{
return pool_clone_unaligned (pool, string, strlen (string) + 1);
}
+
+/* Formats FORMAT with the given ARGS in memory allocated from
+ POOL and returns the formatted string. */
+char *
+pool_vasprintf (struct pool *pool, const char *format, va_list args_)
+{
+ struct pool_block *b;
+ va_list args;
+ int needed, avail;
+ char *s;
+
+ va_copy (args, args_);
+ b = pool->blocks;
+ avail = BLOCK_SIZE - b->ofs;
+ s = ((char *) b) + b->ofs;
+ needed = vsnprintf (s, avail, format, args);
+ va_end (args);
+
+ if (needed >= 0)
+ {
+ if (needed < avail)
+ {
+ /* Success. Reserve the space that was actually used. */
+ b->ofs += needed + 1;
+ }
+ else
+ {
+ /* Failure, but now we know how much space is needed.
+ Allocate that much and reformat. */
+ s = pool_alloc (pool, needed + 1);
+
+ va_copy (args, args_);
+ vsprintf (s, format, args);
+ va_end (args);
+ }
+ }
+ else
+ {
+ /* Some old libc's returned -1 when the destination string
+ was too short. This should be uncommon these days and
+ it's a rare case anyhow. Use the easiest solution: punt
+ to dynamic allocation. */
+ va_copy (args, args_);
+ s = xvasprintf (format, args);
+ va_end (args);
+
+ pool_register (pool, free, s);
+ }
+
+ return s;
+}
+
+/* Formats FORMAT in memory allocated from POOL
+ and returns the formatted string. */
+char *
+pool_asprintf (struct pool *pool, const char *format, ...)
+{
+ va_list args;
+ char *string;
+
+ va_start (args, format);
+ string = pool_vasprintf (pool, format, args);
+ va_end (args);
+
+ return string;
+}
\f
/* Standard allocation routines. */
subpool->parent = pool;
}
-/* Opens file FILENAME with mode MODE and returns a handle to it
+/* Opens file FILE_NAME with mode MODE and returns a handle to it
if successful or a null pointer if not.
The file will be closed automatically when POOL is destroyed, or it
may be closed explicitly in advance using pool_fclose(), or
detached from the pool with pool_detach_file(). */
FILE *
-pool_fopen (struct pool *pool, const char *filename, const char *mode)
+pool_fopen (struct pool *pool, const char *file_name, const char *mode)
{
FILE *f;
- assert (pool && filename && mode);
- f = fopen (filename, mode);
+ assert (pool && file_name && mode);
+ f = fopen (file_name, mode);
if (f == NULL)
return NULL;