Merge pull request #10970 from yuwata/from-name-return-negative-errno

util: make *_from_name() returns negative errno on error

1 files changed, 22 insertions, 0 deletions

diff --git a/tools/generate-gperfs.py b/tools/generate-gperfs.py
new file mode 100755
index 0000000000..aca9ab1fe9
--- /dev/null
+++ b/tools/generate-gperfs.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+
+"""Generate %-from-name.gperf from %-list.txt
+"""
+
+import sys
+
+name, prefix, input = sys.argv[1:]
+
+print("""\
+%{
+#if __GNUC__ >= 7
+_Pragma("GCC diagnostic ignored \\"-Wimplicit-fallthrough\\"")
+#endif
+%}""")
+print("""\
+struct {}_name {{ const char* name; int id; }};
+%null-strings
+%%""".format(name))
+
+for line in open(input):
+    print("{0}, {1}{0}".format(line.rstrip(), prefix))