placate gcc-8.0.1 warnings

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/libbb/dump.c b/libbb/dump.c
index db91fcfe7..5941ef902 100644
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -464,11 +464,9 @@ static const char conv_str[] ALIGN1 =
         "\v"  "\\""v""\0"
         ;
 
-
 static void conv_c(PR *pr, unsigned char *p)
 {
         const char *str = conv_str;
-        char buf[10];
 
         do {
                 if (*p == *str) {
@@ -482,7 +480,9 @@ static void conv_c(PR *pr, unsigned char *p)
                 *pr->cchar = 'c';
                 printf(pr->fmt, *p);
         } else {
-                sprintf(buf, "%03o", (int) *p);
+                char buf[4];
+                /* gcc-8.0.1 needs lots of casts to shut up */
+                sprintf(buf, "%03o", (unsigned)(uint8_t)*p);
                 str = buf;
  strpr:
                 *pr->cchar = 's';