fread does not return negative on error

[git.git] / builtin-upload-archive.c

diff --git a/builtin-upload-archive.c b/builtin-upload-archive.c
index 13a6c6203eff7d8dc96a56fa5709dc9eb69da0a6..c4cd1e1327f18ae27b74fac6dfd41938cd9dfe5d 100644 (file)
--- a/builtin-upload-archive.c
+++ b/builtin-upload-archive.c
@@ -16,15 +16,13 @@ static const char deadchild[] =
 static const char lostchild[] =
 "git upload-archive: archiver process was lost";
 
+#define MAX_ARGS (64)
 
 static int run_upload_archive(int argc, const char **argv, const char *prefix)
 {
-       const struct archiver *ar;
-       struct archiver_args args;
        const char *sent_argv[MAX_ARGS];
        const char *arg_cmd = "argument ";
        char *p, buf[4096];
-       int treeish_idx;
        int sent_argc;
        int len;
 
@@ -37,7 +35,7 @@ static int run_upload_archive(int argc, const char **argv, const char *prefix)
        strcpy(buf, argv[1]); /* enter-repo smudges its argument */
 
        if (!enter_repo(buf, 0))
-               die("not a git archive");
+               die("'%s' does not appear to be a git repository", buf);
 
        /* put received options in sent_argv[] */
        sent_argc = 1;
@@ -48,7 +46,7 @@ static int run_upload_archive(int argc, const char **argv, const char *prefix)
                if (len == 0)
                        break;  /* got a flush */
                if (sent_argc > MAX_ARGS - 2)
-                       die("Too many options (>29)");
+                       die("Too many options (>%d)", MAX_ARGS - 2);
 
                if (p[len-1] == '\n') {
                        p[--len] = 0;
@@ -66,12 +64,7 @@ static int run_upload_archive(int argc, const char **argv, const char *prefix)
        sent_argv[sent_argc] = NULL;
 
        /* parse all options sent by the client */
-       treeish_idx = parse_archive_args(sent_argc, sent_argv, &ar, &args);
-
-       parse_treeish_arg(sent_argv + treeish_idx, &args, prefix);
-       parse_pathspec_arg(sent_argv + treeish_idx + 1, &args);
-
-       return ar->write_archive(&args);
+       return write_archive(sent_argc, sent_argv, prefix, 0);
 }
 
 static void error_clnt(const char *fmt, ...)
@@ -87,16 +80,17 @@ static void error_clnt(const char *fmt, ...)
        die("sent error to the client: %s", buf);
 }
 
-static void process_input(int child_fd, int band)
+static ssize_t process_input(int child_fd, int band)
 {
        char buf[16384];
        ssize_t sz = read(child_fd, buf, sizeof(buf));
        if (sz < 0) {
                if (errno != EAGAIN && errno != EINTR)
                        error_clnt("read error: %s\n", strerror(errno));
-               return;
+               return sz;
        }
        send_sideband(1, band, buf, sz, LARGE_PACKET_MAX);
+       return sz;
 }
 
 int cmd_upload_archive(int argc, const char **argv, const char *prefix)
@@ -138,6 +132,7 @@ int cmd_upload_archive(int argc, const char **argv, const char *prefix)
 
        while (1) {
                struct pollfd pfd[2];
+               ssize_t processed[2] = { 0, 0 };
                int status;
 
                pfd[0].fd = fd1[0];
@@ -154,12 +149,12 @@ int cmd_upload_archive(int argc, const char **argv, const char *prefix)
                }
                if (pfd[0].revents & POLLIN)
                        /* Data stream ready */
-                       process_input(pfd[0].fd, 1);
+                       processed[0] = process_input(pfd[0].fd, 1);
                if (pfd[1].revents & POLLIN)
                        /* Status stream ready */
-                       process_input(pfd[1].fd, 2);
+                       processed[1] = process_input(pfd[1].fd, 2);
                /* Always finish to read data when available */
-               if ((pfd[0].revents | pfd[1].revents) & POLLIN)
+               if (processed[0] || processed[1])
                        continue;
 
                if (waitpid(writer, &status, 0) < 0)