diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/du_buff.c | 68 |
1 files changed, 47 insertions, 21 deletions
diff --git a/src/lib/du_buff.c b/src/lib/du_buff.c index 1944634d..53d9c3e4 100644 --- a/src/lib/du_buff.c +++ b/src/lib/du_buff.c @@ -30,10 +30,16 @@ #include "ouroboros/logs.h" -void buffer_destroy (struct buffer * buf) +struct buffer { + uint8_t * data; + size_t size; + struct list_head list; +} buffer; + +void buffer_destroy(struct buffer * buf) { if (buf == NULL) { - LOG_DBG("buffer_destroy: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return; } @@ -51,7 +57,7 @@ void buffer_destroy_list(struct buffer * buf) struct list_head * n; if (buf == NULL) { - LOG_DBG("buffer_destroy_list: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return; } @@ -72,15 +78,15 @@ struct buffer * buffer_create (size_t size) struct buffer * buf; size_t sz = remaining < page_size ? remaining : page_size; - buf = (struct buffer *)malloc(sizeof(struct buffer)); + buf = (struct buffer *) malloc(sizeof(struct buffer)); if (buf == NULL) { - LOG_WARN("buffer_create: could not allocate struct."); + LOG_WARN("Could not allocate struct."); return NULL; } - buf->data=(uint8_t *)malloc(sz); + buf->data = (uint8_t *) malloc(sz); if (buf->data == NULL) { - LOG_WARN("buffer_create: allocate memblock failed."); + LOG_WARN("Could not allocate memory block."); buffer_destroy_list(head); return NULL; } @@ -107,7 +113,7 @@ struct buffer * buffer_seek(const struct buffer * head, size_t pos) size_t cur_buf_end = 0; if (head = NULL) { - LOG_DBG("buffer_seek: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return NULL; } @@ -133,7 +139,7 @@ uint8_t * buffer_seek_pos(const struct buffer * head, size_t pos) size_t cur_buf_end = 0; if (head = NULL) { - LOG_DBG("buffer_seek_pos: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return NULL; } @@ -165,7 +171,7 @@ int buffer_copy_data(struct buffer * head, uint8_t * copy_pos = NULL; if (head == NULL || src == NULL) { - LOG_DBG("buffer_copy_data: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return -EINVAL; } @@ -173,7 +179,7 @@ int buffer_copy_data(struct buffer * head, buf_end = buffer_seek(head, pos + len); if (buf_start == NULL || buf_end == NULL) { - LOG_DBG("buffer_copy_data: Index out of bounds %d, %d", + LOG_DBGF("Index out of bounds %d, %d", pos, pos+len); return -EINVAL; @@ -208,7 +214,7 @@ du_buff_t * du_buff_create(size_t size) du_buff_t * dub = (du_buff_t *)malloc(sizeof(du_buff_t)); if (dub == NULL) { - LOG_DBG("create: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return NULL; } @@ -230,7 +236,7 @@ du_buff_t * du_buff_create(size_t size) void du_buff_destroy(du_buff_t * dub) { if (dub == NULL) { - LOG_DBG("destroy: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return; } buffer_destroy_list(dub->buffer); @@ -246,12 +252,12 @@ int du_buff_init(du_buff_t * dub, size_t len) { if (dub == NULL || data == NULL) { - LOG_DBG("init: Bogus input, bugging out."); + LOG_DBG("Bogus input, bugging out."); return -EINVAL; } if (start + len > dub->size) { - LOG_DBG("init: Index out of bounds %d", start); + LOG_DBGF("Index out of bounds %d", start); return -EINVAL; } @@ -265,7 +271,7 @@ int du_buff_init(du_buff_t * dub, uint8_t * du_buff_data_ptr_start(du_buff_t * dub) { if (dub == NULL) { - LOG_DBG("data_ptr_start: Bogus input, bugging out."); + LOG_DBGF("Bogus input, bugging out."); return NULL; } return buffer_seek_pos(dub->buffer, dub->du_start); @@ -274,7 +280,7 @@ uint8_t * du_buff_data_ptr_start(du_buff_t * dub) uint8_t * du_buff_data_ptr_end(du_buff_t * dub) { if (dub == NULL) { - LOG_DBG("data_ptr_end: Bogus input, bugging out."); + LOG_DBG("Bogus input, bugging out."); return NULL; } return buffer_seek_pos(dub->buffer, dub->du_end); @@ -282,8 +288,13 @@ uint8_t * du_buff_data_ptr_end(du_buff_t * dub) int du_buff_head_alloc(du_buff_t * dub, size_t size) { + if (dub == NULL) { + LOG_DBGF("Bogus input, bugging out."); + return -EINVAL; + } + if (dub->du_start - size < 0) { - LOG_WARN("head_alloc: failed to allocate PCI headspace"); + LOG_WARN("Failed to allocate PCI headspace"); return -1; } @@ -293,8 +304,13 @@ int du_buff_head_alloc(du_buff_t * dub, size_t size) } int du_buff_tail_alloc(du_buff_t * dub, size_t size) { + if (dub == NULL) { + LOG_DBGF("Bogus input, bugging out."); + return -EINVAL; + } + if (dub->du_end + size >= dub->size) { - LOG_WARN("tail_alloc: failed to allocate PCI tailspace"); + LOG_WARN("Failed to allocate PCI tailspace"); return -1; } @@ -306,8 +322,13 @@ int du_buff_tail_alloc(du_buff_t * dub, size_t size) int du_buff_head_release(du_buff_t * dub, size_t size) { + if (dub == NULL) { + LOG_DBGF("Bogus input, bugging out."); + return -EINVAL; + } + if (size > dub->du_end - dub->du_start) { - LOG_WARN("head_release: tried to release beyond sdu boundary"); + LOG_WARN("Tried to release beyond sdu boundary"); return -1; } @@ -320,8 +341,13 @@ int du_buff_head_release(du_buff_t * dub, size_t size) int du_buff_tail_release(du_buff_t * dub, size_t size) { + if (dub == NULL) { + LOG_DBGF("Bogus input, bugging out."); + return -EINVAL; + } + if (size > dub->du_end - dub->du_start) { - LOG_WARN("tail_release: tried to release beyond sdu boundary"); + LOG_WARN("Tried to release beyond sdu boundary"); return -1; } |