sscanf/strtoul: parse integers robustly

[git.git] / builtin-grep.c

diff --git a/builtin-grep.c b/builtin-grep.c
index 981f3d4d8eb079f5985beaaf94014d5745c5aacc..e13cb31f2b9dd63d335437fb5b1c9b0b06fbf188 100644 (file)
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -434,19 +434,6 @@ static const char emsg_missing_context_len[] =
 static const char emsg_missing_argument[] =
 "option requires an argument -%s";
 
-static int strtoul_ui(char const *s, unsigned int *result)
-{
-       unsigned long ul;
-       char *p;
-
-       errno = 0;
-       ul = strtoul(s, &p, 10);
-       if (errno || *p || p == s || (unsigned int) ul != ul)
-               return -1;
-       *result = ul;
-       return 0;
-}
-
 int cmd_grep(int argc, const char **argv, const char *prefix)
 {
        int hit = 0;
@@ -569,7 +556,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                                scan = arg + 1;
                                break;
                        }
-                       if (strtoul_ui(scan, &num))
+                       if (strtoul_ui(scan, 10, &num))
                                die(emsg_invalid_context_len, scan);
                        switch (arg[1]) {
                        case 'A':