fmt_strn aborted one byte too late

9 years ago · 29b9860a37
parent 041e6c5a92
commit 29b9860a37
1 changed files with 4 additions and 4 deletions
--- a/fmt/fmt_strn.c
+++ b/fmt/fmt_strn.c
@ -5,10 +5,10 @@ size_t fmt_strn(char *out,const char *in,size_t limit) {
  register const char* t=in;
  register const char* u=in+limit;
  for (;;) {
-    if (!*t) break; if (s) { *s=*t; ++s; } if (t==u) break; ++t;
-    if (!*t) break; if (s) { *s=*t; ++s; } if (t==u) break; ++t;
-    if (!*t) break; if (s) { *s=*t; ++s; } if (t==u) break; ++t;
-    if (!*t) break; if (s) { *s=*t; ++s; } if (t==u) break; ++t;
+    if (!*t || t==u) break; if (s) { *s=*t; ++s; } ++t;
+    if (!*t || t==u) break; if (s) { *s=*t; ++s; } ++t;
+    if (!*t || t==u) break; if (s) { *s=*t; ++s; } ++t;
+    if (!*t || t==u) break; if (s) { *s=*t; ++s; } ++t;
  }
  return t-in;
 }