Cast 64 bit off_t to 32 bit size_t

diff --git a/config.c b/config.c
index 7ac3947858b8d2d44a7877d65579f16353b8d4ba..8fc4f11f45e83f5ca87b95648db26e068d11fd79 100644 (file)
--- a/config.c
+++ b/config.c
@@ -431,7 +431,7 @@ static struct {
        int do_not_match;
        regex_t* value_regex;
        int multi_replace;
-       off_t offset[MAX_MATCHES];
+       size_t offset[MAX_MATCHES];
        enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
        int seen;
 } store;
@@ -579,11 +579,11 @@ static int store_write_pair(int fd, const char* key, const char* value)
        return 1;
 }
 
-static int find_beginning_of_line(const char* contents, int size,
-       int offset_, int* found_bracket)
+static ssize_t find_beginning_of_line(const char* contents, size_t size,
+       size_t offset_, int* found_bracket)
 {
-       int equal_offset = size, bracket_offset = size;
-       int offset;
+       size_t equal_offset = size, bracket_offset = size;
+       ssize_t offset;
 
        for (offset = offset_-2; offset > 0 
                        && contents[offset] != '\n'; offset--)
@@ -727,7 +727,8 @@ int git_config_set_multivar(const char* key, const char* value,
        } else {
                struct stat st;
                char* contents;
-               int i, copy_begin, copy_end, new_line = 0;
+               size_t contents_sz, copy_begin, copy_end;
+               int i, new_line = 0;
 
                if (value_regex == NULL)
                        store.value_regex = NULL;
@@ -784,7 +785,8 @@ int git_config_set_multivar(const char* key, const char* value,
                }
 
                fstat(in_fd, &st);
-               contents = xmmap(NULL, st.st_size, PROT_READ,
+               contents_sz = xsize_t(st.st_size);
+               contents = xmmap(NULL, contents_sz, PROT_READ,
                        MAP_PRIVATE, in_fd, 0);
                close(in_fd);
 
@@ -793,12 +795,12 @@ int git_config_set_multivar(const char* key, const char* value,
 
                for (i = 0, copy_begin = 0; i < store.seen; i++) {
                        if (store.offset[i] == 0) {
-                               store.offset[i] = copy_end = st.st_size;
+                               store.offset[i] = copy_end = contents_sz;
                        } else if (store.state != KEY_SEEN) {
                                copy_end = store.offset[i];
                        } else
                                copy_end = find_beginning_of_line(
-                                       contents, st.st_size,
+                                       contents, contents_sz,
                                        store.offset[i]-2, &new_line);
 
                        /* write the first part of the config */
@@ -825,13 +827,13 @@ int git_config_set_multivar(const char* key, const char* value,
                }
 
                /* write the rest of the config */
-               if (copy_begin < st.st_size)
+               if (copy_begin < contents_sz)
                        if (write_in_full(fd, contents + copy_begin,
-                                         st.st_size - copy_begin) <
-                           st.st_size - copy_begin)
+                                         contents_sz - copy_begin) <
+                           contents_sz - copy_begin)
                                goto write_err_out;
 
-               munmap(contents, st.st_size);
+               munmap(contents, contents_sz);
                unlink(config_filename);
        }