Add warning macro

Not every problem in the world is fatal, so add a warning for those not-quite-right situations.
facebookarchive · Dec 12, 2013 · 685a07b · 685a07b
1 parent 8e99cab
commit 685a07b
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Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/common.c b/common.c
@@ -47,3 +47,12 @@ void common_fatal_file(const char *file, int lineno, int ret)
     else
         common_fatal(file, lineno, "too few bytes read from file");
 }
+
+void common_warning(const char *file, int lineno, const char *format, ...)
+{
+    va_list vargs;
+    va_start(vargs, format);
+    fprintf(stderr, "atosl: warning: %s:%d: ", file, lineno);
+    vfprintf(stderr, format, vargs);
+    fprintf(stderr, "\n");
+}
diff --git a/common.h b/common.h
@@ -34,6 +34,9 @@ void common_fatal_usage(const char *file, int lineno, const char *format, ...);
 #define fatal_file(args...) common_fatal_file(__FILE__, __LINE__, args)
 void common_fatal_file(const char *file, int lineno, int ret);
 
+#define warning(args...) common_warning(__FILE__, __LINE__, args)
+void common_warning(const char *file, int lineno, const char *format, ...);
+
 #define DWARF_ASSERT(ret, err) \
     do { \
         if (ret == DW_DLV_ERROR) { \