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-rw-r--r--lib/util/string_wrappers.h30
1 files changed, 25 insertions, 5 deletions
diff --git a/lib/util/string_wrappers.h b/lib/util/string_wrappers.h
index 7baf3cb21b..37384fc5a3 100644
--- a/lib/util/string_wrappers.h
+++ b/lib/util/string_wrappers.h
@@ -42,15 +42,35 @@ size_t __unsafe_string_function_usage_here_size_t__(void);
#endif /* HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS */
#define strlcpy_base(dest, src, base, size) \
- strlcpy((dest), (src) ? (src) : "", (size)-PTR_DIFF((dest),(base)))
+do { \
+ const char *_strlcpy_base_src = (const char *)src; \
+ strlcpy((dest), _strlcpy_base_src? _strlcpy_base_src : "", (size)-PTR_DIFF((dest),(base))); \
+} while (0)
/* String copy functions - macro hell below adds 'type checking' (limited,
but the best we can do in C) */
-#define fstrcpy(d,s) strlcpy((d),(s) ? (s) : "",sizeof(fstring))
-#define fstrcat(d,s) strlcpy((d),(s) ? (s) : "",sizeof(fstring))
-#define nstrcpy(d,s) strlcpy((d), (s) ? (s) : "",sizeof(nstring))
-#define unstrcpy(d,s) strlcpy((d), (s) ? (s) : "",sizeof(unstring))
+#define fstrcpy(d,s) \
+do { \
+ const char *_fstrcpy_src = (const char *)(s); \
+ strlcpy((d),_fstrcpy_src ? _fstrcpy_src : "",sizeof(fstring)); \
+} while (0)
+
+#define fstrcat(d,s) \
+do { \
+ const char *_fstrcat_src = (const char *)(s); \
+ strlcat((d),_fstrcat_src ? _fstrcat_src : "",sizeof(fstring)); \
+} while (0)
+#define nstrcpy(d,s) \
+do { \
+ const char *_nstrcpy_src = (const char *)(s); \
+ strlcpy((d),_nstrcpy_src ? _nstrcpy_src : "",sizeof(fstring)); \
+} while (0)
+#define unstrcpy(d,s) \
+do { \
+ const char *_unstrcpy_src = (const char *)(s); \
+ strlcpy((d),_unstrcpy_src ? _unstrcpy_src : "",sizeof(fstring)); \
+} while (0)
#ifdef HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS