Advance send buffer in xsendfile for conservative method. - geomyidae - A small C-based gopherd.
 (HTM) git clone git://bitreich.org/geomyidae/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/geomyidae/
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       ---
 (DIR) commit 74efed84eb2e5cc3f5b72be8b112020a362e7232
 (DIR) parent e9292b7acff19655482c6b53ff19f8c51f06bdcd
 (HTM) Author: Christoph Lohmann <20h@r-36.net>
       Date:   Wed,  7 Feb 2018 20:17:56 +0100
       
       Advance send buffer in xsendfile for conservative method.
       
       Thanks Lucas Gabriel Vuotto <lgv@nanashi.co>!
       
       Diffstat:
         M ind.c                               |       6 ++++--
       
       1 file changed, 4 insertions(+), 2 deletions(-)
       ---
 (DIR) diff --git a/ind.c b/ind.c
       @@ -78,7 +78,7 @@ int
        xsendfile(int fd, int sock)
        {
                struct stat st;
       -        char *sendb;
       +        char *sendb, *sendi;
                size_t bufsiz = BUFSIZ, count = 0;
                int len, sent, optval;
        
       @@ -121,12 +121,14 @@ xsendfile(int fd, int sock)
                if (count > 0) {
                        sendb = xmalloc(bufsiz);
                        while ((len = read(fd, sendb, bufsiz)) > 0) {
       +                        sendi = sendb;
                                while (len > 0) {
       -                                if ((sent = send(sock, sendb, len, 0)) < 0) {
       +                                if ((sent = send(sock, sendi, len, 0)) < 0) {
                                                free(sendb);
                                                return -1;
                                        }
                                        len -= sent;
       +                                sendi += sent;
                                }
                        }
                        free(sendb);