describe: when failing, tell the user about options that work

diff --git a/help.c b/help.c
index fd87bb5aeec82beec600be46248b19b13bb33804..e8db31f60f010887ccb3a943344da566e0937403 100644 (file)
--- a/help.c
+++ b/help.c
@@ -100,7 +100,7 @@ static void pretty_print_string_list(struct cmdnames *cmds, int longest)
 
        if (space < max_cols)
                cols = max_cols / space;
-       rows = (cmds->cnt + cols - 1) / cols;
+       rows = DIV_ROUND_UP(cmds->cnt, cols);
 
        for (i = 0; i < rows; i++) {
                printf("  ");
@@ -126,8 +126,8 @@ static int is_executable(const char *name)
            !S_ISREG(st.st_mode))
                return 0;
 
-#ifdef __MINGW32__
-       /* cannot trust the executable bit, peek into the file instead */
+#ifdef WIN32
+{      /* cannot trust the executable bit, peek into the file instead */
        char buf[3] = { 0 };
        int n;
        int fd = open(name, O_RDONLY);
@@ -140,6 +140,7 @@ static int is_executable(const char *name)
                                st.st_mode |= S_IXUSR;
                close(fd);
        }
+}
 #endif
        return st.st_mode & S_IXUSR;
 }
@@ -302,7 +303,7 @@ const char *help_unknown_cmd(const char *cmd)
        struct cmdnames main_cmds, other_cmds;
 
        memset(&main_cmds, 0, sizeof(main_cmds));
-       memset(&other_cmds, 0, sizeof(main_cmds));
+       memset(&other_cmds, 0, sizeof(other_cmds));
        memset(&aliases, 0, sizeof(aliases));
 
        git_config(git_unknown_cmd_config, NULL);
@@ -334,7 +335,7 @@ const char *help_unknown_cmd(const char *cmd)
                const char *assumed = main_cmds.names[0]->name;
                main_cmds.names[0] = NULL;
                clean_cmdnames(&main_cmds);
-               fprintf(stderr, "WARNING: You called a Git program named '%s', "
+               fprintf(stderr, "WARNING: You called a Git command named '%s', "
                        "which does not exist.\n"
                        "Continuing under the assumption that you meant '%s'\n",
                        cmd, assumed);