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-rw-r--r--gas/sb.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/gas/sb.c b/gas/sb.c
index ba430cf..9957c7b 100644
--- a/gas/sb.c
+++ b/gas/sb.c
@@ -46,9 +46,7 @@
sb_new (&foo);
sb_grow... (&foo,...);
use foo->ptr[*];
- sb_kill (&foo);
-
-*/
+ sb_kill (&foo); */
static int dsize = 5;
static void sb_check (sb *, int);
@@ -59,12 +57,12 @@ static int string_count[sb_max_power_two];
/* Free list of sb structures. */
static sb_list_vector free_list;
-/* initializes an sb. */
+/* Initializes an sb. */
static void
sb_build (sb *ptr, int size)
{
- /* see if we can find one to allocate */
+ /* See if we can find one to allocate. */
sb_element *e;
if (size > sb_max_power_two)
@@ -73,7 +71,7 @@ sb_build (sb *ptr, int size)
e = free_list.size[size];
if (!e)
{
- /* nothing there, allocate one and stick into the free list */
+ /* Nothing there, allocate one and stick into the free list. */
e = (sb_element *) xmalloc (sizeof (sb_element) + (1 << size));
e->next = free_list.size[size];
e->size = 1 << size;
@@ -81,11 +79,10 @@ sb_build (sb *ptr, int size)
string_count[size]++;
}
- /* remove from free list */
-
+ /* Remove from free list. */
free_list.size[size] = e->next;
- /* copy into callers world */
+ /* Copy into callers world. */
ptr->ptr = e->data;
ptr->pot = size;
ptr->len = 0;
@@ -98,17 +95,17 @@ sb_new (sb *ptr)
sb_build (ptr, dsize);
}
-/* deallocate the sb at ptr */
+/* Deallocate the sb at ptr. */
void
sb_kill (sb *ptr)
{
- /* return item to free list */
+ /* Return item to free list. */
ptr->item->next = free_list.size[ptr->pot];
free_list.size[ptr->pot] = ptr->item;
}
-/* add the sb at s to the end of the sb at ptr */
+/* Add the sb at s to the end of the sb at ptr. */
void
sb_add_sb (sb *ptr, sb *s)
@@ -118,7 +115,7 @@ sb_add_sb (sb *ptr, sb *s)
ptr->len += s->len;
}
-/* make sure that the sb at ptr has room for another len characters,
+/* Make sure that the sb at ptr has room for another len characters,
and grow it if it doesn't. */
static void
@@ -128,6 +125,7 @@ sb_check (sb *ptr, int len)
{
sb tmp;
int pot = ptr->pot;
+
while (ptr->len + len >= 1 << pot)
pot++;
sb_build (&tmp, pot);
@@ -137,7 +135,7 @@ sb_check (sb *ptr, int len)
}
}
-/* make the sb at ptr point back to the beginning. */
+/* Make the sb at ptr point back to the beginning. */
void
sb_reset (sb *ptr)
@@ -145,7 +143,7 @@ sb_reset (sb *ptr)
ptr->len = 0;
}
-/* add character c to the end of the sb at ptr. */
+/* Add character c to the end of the sb at ptr. */
void
sb_add_char (sb *ptr, int c)
@@ -154,7 +152,7 @@ sb_add_char (sb *ptr, int c)
ptr->ptr[ptr->len++] = c;
}
-/* add null terminated string s to the end of sb at ptr. */
+/* Add null terminated string s to the end of sb at ptr. */
void
sb_add_string (sb *ptr, const char *s)
@@ -165,7 +163,7 @@ sb_add_string (sb *ptr, const char *s)
ptr->len += len;
}
-/* add string at s of length len to sb at ptr */
+/* Add string at s of length len to sb at ptr */
void
sb_add_buffer (sb *ptr, const char *s, int len)
@@ -175,7 +173,7 @@ sb_add_buffer (sb *ptr, const char *s, int len)
ptr->len += len;
}
-/* like sb_name, but don't include the null byte in the string. */
+/* Like sb_name, but don't include the null byte in the string. */
char *
sb_terminate (sb *in)
@@ -185,8 +183,8 @@ sb_terminate (sb *in)
return in->ptr;
}
-/* start at the index idx into the string in sb at ptr and skip
- whitespace. return the index of the first non whitespace character */
+/* Start at the index idx into the string in sb at ptr and skip
+ whitespace. return the index of the first non whitespace character. */
int
sb_skip_white (int idx, sb *ptr)
@@ -198,7 +196,7 @@ sb_skip_white (int idx, sb *ptr)
return idx;
}
-/* start at the index idx into the sb at ptr. skips whitespace,
+/* Start at the index idx into the sb at ptr. skips whitespace,
a comma and any following whitespace. returns the index of the
next character. */