date.c: Fix type missmatch warings from msvc

Fix compiler warings from msvc in date.c for value truncation from 64
bit to 32 bit integers.

Also switch from int to size_t for all variables with result of strlen()
which cannot become negative.

Signed-off-by: Sören Krecker <soekkle@freenet.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/date.c b/date.c
index a1b26a8dce697cbaea58b34e91d08ea446fba352..17a95077cf5450206d9acdbfcefc70a2656072ee 100644 (file)
--- a/date.c
+++ b/date.c
@@ -1244,7 +1244,7 @@ static const char *approxidate_alpha(const char *date, struct tm *tm, struct tm
        }
 
        for (s = special; s->name; s++) {
-               int len = strlen(s->name);
+               size_t len = strlen(s->name);
                if (match_string(date, s->name) == len) {
                        s->fn(tm, now, num);
                        *touched = 1;
@@ -1254,7 +1254,7 @@ static const char *approxidate_alpha(const char *date, struct tm *tm, struct tm
 
        if (!*num) {
                for (i = 1; i < 11; i++) {
-                       int len = strlen(number_name[i]);
+                       size_t len = strlen(number_name[i]);
                        if (match_string(date, number_name[i]) == len) {
                                *num = i;
                                *touched = 1;
@@ -1270,7 +1270,7 @@ static const char *approxidate_alpha(const char *date, struct tm *tm, struct tm
 
        tl = typelen;
        while (tl->type) {
-               int len = strlen(tl->type);
+               size_t len = strlen(tl->type);
                if (match_string(date, tl->type) >= len-1) {
                        update_tm(tm, now, tl->length * *num);
                        *num = 0;