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-rw-r--r--scripts/dtc/util.h33
1 files changed, 24 insertions, 9 deletions
diff --git a/scripts/dtc/util.h b/scripts/dtc/util.h
index ccfdf4b124..66fba8ea70 100644
--- a/scripts/dtc/util.h
+++ b/scripts/dtc/util.h
@@ -1,5 +1,5 @@
-#ifndef _UTIL_H
-#define _UTIL_H
+#ifndef UTIL_H
+#define UTIL_H
#include <stdarg.h>
#include <stdbool.h>
@@ -25,15 +25,27 @@
* USA
*/
+#ifdef __GNUC__
+#define PRINTF(i, j) __attribute__((format (printf, i, j)))
+#define NORETURN __attribute__((noreturn))
+#else
+#define PRINTF(i, j)
+#define NORETURN
+#endif
+
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-static inline void __attribute__((noreturn)) die(const char *str, ...)
+#define stringify(s) stringify_(s)
+#define stringify_(s) #s
+
+static inline void NORETURN PRINTF(1, 2) die(const char *str, ...)
{
va_list ap;
va_start(ap, str);
fprintf(stderr, "FATAL ERROR: ");
vfprintf(stderr, str, ap);
+ va_end(ap);
exit(1);
}
@@ -52,12 +64,14 @@ static inline void *xrealloc(void *p, size_t len)
void *new = realloc(p, len);
if (!new)
- die("realloc() failed (len=%d)\n", len);
+ die("realloc() failed (len=%zd)\n", len);
return new;
}
extern char *xstrdup(const char *s);
+
+extern int PRINTF(2, 3) xasprintf(char **strp, const char *fmt, ...);
extern char *join_path(const char *path, const char *name);
/**
@@ -186,7 +200,7 @@ void utilfdt_print_data(const char *data, int len);
/**
* Show source version and exit
*/
-void util_version(void) __attribute__((noreturn));
+void NORETURN util_version(void);
/**
* Show usage and exit
@@ -200,9 +214,10 @@ void util_version(void) __attribute__((noreturn));
* @param long_opts The structure of long options
* @param opts_help An array of help strings (should align with long_opts)
*/
-void util_usage(const char *errmsg, const char *synopsis,
- const char *short_opts, struct option const long_opts[],
- const char * const opts_help[]) __attribute__((noreturn));
+void NORETURN util_usage(const char *errmsg, const char *synopsis,
+ const char *short_opts,
+ struct option const long_opts[],
+ const char * const opts_help[]);
/**
* Show usage and exit
@@ -248,4 +263,4 @@ void util_usage(const char *errmsg, const char *synopsis,
case 'V': util_version(); \
case '?': usage("unknown option");
-#endif /* _UTIL_H */
+#endif /* UTIL_H */