Refactor handling of error_string in receive-pack

diff --git a/refs.c b/refs.c
index 7a1f89caad17cfb090e683c9888537666e8398b9..76c08d03602554a77fcf48a488b0d7fceb41073c 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -1075,6 +1075,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
        unsigned long date;
        unsigned char logged_sha1[20];
        void *log_mapped;
+       size_t mapsz;
 
        logfile = git_path("logs/%s", ref);
        logfd = open(logfile, O_RDONLY, 0);
@@ -1083,7 +1084,8 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
        fstat(logfd, &st);
        if (!st.st_size)
                die("Log %s is empty.", logfile);
-       log_mapped = xmmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, logfd, 0);
+       mapsz = xsize_t(st.st_size);
+       log_mapped = xmmap(NULL, mapsz, PROT_READ, MAP_PRIVATE, logfd, 0);
        logdata = log_mapped;
        close(logfd);
 
@@ -1136,7 +1138,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
                                                logfile, show_rfc2822_date(date, tz));
                                }
                        }
-                       munmap(log_mapped, st.st_size);
+                       munmap(log_mapped, mapsz);
                        return 0;
                }
                lastrec = rec;
@@ -1155,7 +1157,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
                die("Log %s is corrupt.", logfile);
        if (msg)
                *msg = ref_msg(logdata, logend);
-       munmap(log_mapped, st.st_size);
+       munmap(log_mapped, mapsz);
 
        if (cutoff_time)
                *cutoff_time = date;