t9001: style modernisation phase #5

diff --git a/config.c b/config.c
index 21107797d31c8a92c923dc91bb9cf02db4ba75c4..15a298357796ffa80f7fb2258e55cf95be0b8895 100644 (file)
--- a/config.c
+++ b/config.c
@@ -6,6 +6,7 @@
  *
  */
 #include "cache.h"
+#include "lockfile.h"
 #include "exec_cmd.h"
 #include "strbuf.h"
 #include "quote.h"
@@ -1139,12 +1140,28 @@ const char *git_etc_gitconfig(void)
        return system_wide;
 }
 
+/*
+ * Parse environment variable 'k' as a boolean (in various
+ * possible spellings); if missing, use the default value 'def'.
+ */
 int git_env_bool(const char *k, int def)
 {
        const char *v = getenv(k);
        return v ? git_config_bool(k, v) : def;
 }
 
+/*
+ * Parse environment variable 'k' as ulong with possibly a unit
+ * suffix; if missing, use the default value 'val'.
+ */
+unsigned long git_env_ulong(const char *k, unsigned long val)
+{
+       const char *v = getenv(k);
+       if (v && !git_parse_ulong(v, &val))
+               die("failed to parse %s", k);
+       return val;
+}
+
 int git_config_system(void)
 {
        return !git_env_bool("GIT_CONFIG_NOSYSTEM", 0);