Annotate functions with access attribute

Supported by GCC since version 10.

1 files changed, 7 insertions, 0 deletions

diff --git a/XUtils.h b/XUtils.h
index e1c50be1..64583db8 100644
--- a/XUtils.h
+++ b/XUtils.h
@@ -57,22 +57,29 @@ void String_freeArray(char** s);
 char* String_readLine(FILE* fd) ATTR_MALLOC;
 
 /* Always null-terminates dest. Caller must pass a strictly positive size. */
+ATTR_ACCESS3_W(1, 3)
+ATTR_ACCESS3_R(2, 3)
 size_t String_safeStrncpy(char* restrict dest, const char* restrict src, size_t size);
 
 ATTR_FORMAT(printf, 2, 3)
 int xAsprintf(char** strp, const char* fmt, ...);
 
 ATTR_FORMAT(printf, 3, 4)
+ATTR_ACCESS3_W(1, 2)
 int xSnprintf(char* buf, size_t len, const char* fmt, ...);
 
 char* xStrdup(const char* str) ATTR_NONNULL ATTR_MALLOC;
 void free_and_xStrdup(char** ptr, const char* str);
 
+ATTR_ACCESS3_R(1, 2)
 char* xStrndup(const char* str, size_t len) ATTR_NONNULL ATTR_MALLOC;
 
+ATTR_ACCESS3_W(2, 3)
 ssize_t xReadfile(const char* pathname, void* buffer, size_t count);
+ATTR_ACCESS3_W(3, 4)
 ssize_t xReadfileat(openat_arg_t dirfd, const char* pathname, void* buffer, size_t count);
 
+ATTR_ACCESS3_R(2, 3)
 ssize_t full_write(int fd, const void* buf, size_t count);
 
 #endif