blame: avoid -lm by not using log().

[git.git] / blame.c

diff --git a/blame.c b/blame.c
index 168b1f5..b551dd5 100644 (file)
--- a/blame.c
+++ b/blame.c
@@ -589,7 +589,7 @@ int main(int argc, const char **argv)
                                usage(blame_usage);
                        else if(!strcmp(argv[i], "-l") ||
                                !strcmp(argv[i], "--long")) {
-                               sha1_len = 20;
+                               sha1_len = 40;
                                continue;
                        } else if(!strcmp(argv[i], "-c") ||
                                  !strcmp(argv[i], "--compability")) {
@@ -651,7 +651,9 @@ int main(int argc, const char **argv)
        process_commits(&rev, filename, &initial);
 
        buf = blame_contents;
-       max_digits = 1 + log(num_blame_lines+1)/log(10);
+       for (max_digits = 1, i = 10; i <= num_blame_lines + 1; max_digits++)
+               i *= 10;
+
        for (i = 0; i < num_blame_lines; i++) {
                struct commit *c = blame_lines[i];
                if (!c)