patch 8.2.3672: build failure with unsigned char
Problem: Build failure with unsigned char.
Solution: Use int instead of char.
diff --git a/src/xxd/xxd.c b/src/xxd/xxd.c
index c7b166e..ad0c72f 100644
--- a/src/xxd/xxd.c
+++ b/src/xxd/xxd.c
@@ -253,14 +253,14 @@
}
static void
-exit_on_ferror(char c, FILE *fpi)
+exit_on_ferror(int c, FILE *fpi)
{
if (c == EOF && ferror(fpi))
perror_exit(2);
}
static void
-putc_or_die(char c, FILE *fpo)
+putc_or_die(int c, FILE *fpo)
{
if (putc(c, fpo) == EOF)
perror_exit(3);