https://llvm.org/bugs/show_bug.cgi?id=23412
Bug ID: 23412
Summary: -Wformat warns when using format specifier macros from
MS headers
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: hans at chromium.org
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
For example:
#include <inttypes.h>
#include <stdio.h>
void f(uint32_t i) {
printf("%" PRIx32 "\n", i);
}
Generates this:
d:\src\tmp\a.c:5:26: warning: format specifies type 'unsigned long' but the
argument has type 'uint32_t' (aka 'unsigned int') [-Wformat]
printf("%" PRIx32 "\n", i);
~~~ ^
1 warning generated.
It seems 32-bit format specifier macros are prefixed with 'l' in the Visual
Studio headers.
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