diff options
Diffstat (limited to 'WWW/Library/Implementation/HTChunk.c')
| -rw-r--r-- | WWW/Library/Implementation/HTChunk.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/WWW/Library/Implementation/HTChunk.c b/WWW/Library/Implementation/HTChunk.c index 64a7e0ba..497e5173 100644 --- a/WWW/Library/Implementation/HTChunk.c +++ b/WWW/Library/Implementation/HTChunk.c @@ -27,6 +27,27 @@ PUBLIC HTChunk * HTChunkCreate ARGS1 (int,grow) return ch; } +/* Create a chunk with a certain allocation unit and ensured size +** -------------- +*/ +PUBLIC HTChunk * HTChunkCreate2 ARGS2 (int,grow, size_t, needed) +{ + HTChunk * ch = (HTChunk *) calloc(1, sizeof(HTChunk)); + if (ch == NULL) + outofmem(__FILE__, "HTChunkCreate2"); + + ch->growby = grow; + if (needed > 0) { + ch->allocated = needed-1 - ((needed-1) % ch->growby) + + ch->growby; /* Round up */ + ch->data = (char *)calloc(1, ch->allocated); + if (!ch->data) + outofmem(__FILE__, "HTChunkCreate2 data"); + } + ch->size = 0; + return ch; +} + /* Clear a chunk of all data ** -------------------------- @@ -79,6 +100,22 @@ PUBLIC void HTChunkEnsure ARGS2 (HTChunk *,ch, int,needed) outofmem(__FILE__, "HTChunkEnsure"); } +PUBLIC void HTChunkPutb ARGS3 (HTChunk *,ch, CONST char *,b, int,l) +{ + int needed = ch->size + l; + if (l <= 0) return; + if (needed > ch->allocated) { + ch->allocated = needed-1 - ((needed-1) % ch->growby) + + ch->growby; /* Round up */ + ch->data = ch->data ? (char *)realloc(ch->data, ch->allocated) + : (char *)calloc(1, ch->allocated); + if (ch->data == NULL) + outofmem(__FILE__, "HTChunkPutb"); + } + memcpy(ch->data + ch->size, b, l); + ch->size += l; +} + #ifdef EXP_CHARTRANS #define PUTC(code) ch->data[ch->size++] = (char)(code) |