diff options
author | Wayne Davison <wayned@samba.org> | 2005-03-04 15:50:22 +0000 |
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committer | Wayne Davison <wayned@samba.org> | 2005-03-04 15:50:22 +0000 |
commit | c6816b9444da40d45b7c3060f4c23654201e29bc (patch) | |
tree | 2da913936fc31fc28713e9b64c0570c0f40cbcde /io.c | |
parent | 46e99b09b980f3d67dc3f92f07b27db754981662 (diff) | |
download | android_external_rsync-c6816b9444da40d45b7c3060f4c23654201e29bc.tar.gz android_external_rsync-c6816b9444da40d45b7c3060f4c23654201e29bc.tar.bz2 android_external_rsync-c6816b9444da40d45b7c3060f4c23654201e29bc.zip |
Transformed the push/pop functions for the redo-list into more
generic flist_num_{push,pop}() functions that can support other
folks caching off file-list index numbers.
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 76 |
1 files changed, 44 insertions, 32 deletions
@@ -102,13 +102,16 @@ static size_t contiguous_write_len = 0; static void read_loop(int fd, char *buf, size_t len); -struct redo_list { - struct redo_list *next; - int num; +struct flist_ndx_item { + struct flist_ndx_item *next; + int ndx; }; -static struct redo_list *redo_list_head; -static struct redo_list *redo_list_tail; +struct flist_ndx_list { + struct flist_ndx_item *head, *tail; +}; + +static struct flist_ndx_list redo_list; struct msg_list { struct msg_list *next; @@ -119,19 +122,37 @@ struct msg_list { static struct msg_list *msg_list_head; static struct msg_list *msg_list_tail; -static void redo_list_add(int num) +static void flist_ndx_push(struct flist_ndx_list *lp, int ndx) { - struct redo_list *rl; - - if (!(rl = new(struct redo_list))) - exit_cleanup(RERR_MALLOC); - rl->next = NULL; - rl->num = num; - if (redo_list_tail) - redo_list_tail->next = rl; + struct flist_ndx_item *item; + + if (!(item = new(struct flist_ndx_item))) + out_of_memory("flist_ndx_push"); + item->next = NULL; + item->ndx = ndx; + if (lp->tail) + lp->tail->next = item; else - redo_list_head = rl; - redo_list_tail = rl; + lp->head = item; + lp->tail = item; +} + +static int flist_ndx_pop(struct flist_ndx_list *lp) +{ + struct flist_ndx_item *next; + int ndx; + + if (!lp->head) + return -1; + + ndx = lp->head->ndx; + next = lp->head->next; + free(lp->head); + lp->head = next; + if (!next) + lp->tail = NULL; + + return ndx; } static void check_timeout(void) @@ -188,10 +209,10 @@ static void msg_list_add(int code, char *buf, int len) struct msg_list *ml; if (!(ml = new(struct msg_list))) - exit_cleanup(RERR_MALLOC); + out_of_memory("msg_list_add"); ml->next = NULL; if (!(ml->buf = new_array(char, len+4))) - exit_cleanup(RERR_MALLOC); + out_of_memory("msg_list_add"); SIVAL(ml->buf, 0, ((code+MPLEX_BASE)<<24) | len); memcpy(ml->buf+4, buf, len); ml->len = len+4; @@ -239,7 +260,7 @@ static void read_msg_fd(void) rprintf(FERROR, "invalid message %d:%d\n", tag, len); exit_cleanup(RERR_STREAMIO); } - redo_list_add(-1); + flist_ndx_push(&redo_list, -1); break; case MSG_REDO: if (len != 4 || !am_generator) { @@ -247,7 +268,7 @@ static void read_msg_fd(void) exit_cleanup(RERR_STREAMIO); } read_loop(fd, buf, 4); - redo_list_add(IVAL(buf,0)); + flist_ndx_push(&redo_list, IVAL(buf,0)); break; case MSG_DELETED: if (len >= (int)sizeof buf || !am_generator) { @@ -327,20 +348,11 @@ int msg_list_push(int flush_it_all) int get_redo_num(void) { - struct redo_list *next; - int num; - - while (!redo_list_head) + while (!redo_list.head) { read_msg_fd(); + } - num = redo_list_head->num; - next = redo_list_head->next; - free(redo_list_head); - redo_list_head = next; - if (!next) - redo_list_tail = NULL; - - return num; + return flist_ndx_pop(&redo_list); } /** |