Merge branch 'qn/clone-doc-use-long-form'

diff --git a/config.c b/config.c
index 972d3c10335bcf918e8393099031769b263e5b77..faa57e436cf4fc6d84580f3940bafdb4896c7658 100644 (file)
--- a/config.c
+++ b/config.c
@@ -861,22 +861,16 @@ static int git_parse_source(config_fn_t fn, void *data,
        return error_return;
 }
 
-static int parse_unit_factor(const char *end, uintmax_t *val)
+static uintmax_t get_unit_factor(const char *end)
 {
        if (!*end)
                return 1;
-       else if (!strcasecmp(end, "k")) {
-               *val *= 1024;
-               return 1;
-       }
-       else if (!strcasecmp(end, "m")) {
-               *val *= 1024 * 1024;
-               return 1;
-       }
-       else if (!strcasecmp(end, "g")) {
-               *val *= 1024 * 1024 * 1024;
-               return 1;
-       }
+       else if (!strcasecmp(end, "k"))
+               return 1024;
+       else if (!strcasecmp(end, "m"))
+               return 1024 * 1024;
+       else if (!strcasecmp(end, "g"))
+               return 1024 * 1024 * 1024;
        return 0;
 }
 
@@ -886,19 +880,20 @@ static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
                char *end;
                intmax_t val;
                uintmax_t uval;
-               uintmax_t factor = 1;
+               uintmax_t factor;
 
                errno = 0;
                val = strtoimax(value, &end, 0);
                if (errno == ERANGE)
                        return 0;
-               if (!parse_unit_factor(end, &factor)) {
+               factor = get_unit_factor(end);
+               if (!factor) {
                        errno = EINVAL;
                        return 0;
                }
                uval = val < 0 ? -val : val;
-               uval *= factor;
-               if (uval > max || (val < 0 ? -val : val) > uval) {
+               if (unsigned_mult_overflows(factor, uval) ||
+                   factor * uval > max) {
                        errno = ERANGE;
                        return 0;
                }
@@ -915,21 +910,23 @@ static int git_parse_unsigned(const char *value, uintmax_t *ret, uintmax_t max)
        if (value && *value) {
                char *end;
                uintmax_t val;
-               uintmax_t oldval;
+               uintmax_t factor;
 
                errno = 0;
                val = strtoumax(value, &end, 0);
                if (errno == ERANGE)
                        return 0;
-               oldval = val;
-               if (!parse_unit_factor(end, &val)) {
+               factor = get_unit_factor(end);
+               if (!factor) {
                        errno = EINVAL;
                        return 0;
                }
-               if (val > max || oldval > val) {
+               if (unsigned_mult_overflows(factor, val) ||
+                   factor * val > max) {
                        errno = ERANGE;
                        return 0;
                }
+               val *= factor;
                *ret = val;
                return 1;
        }