tools: offer a trivial common file to be included

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

tools: offer a trivial common file to be included
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
be9edec7 · Alessandro Rubini · 663ebb23 · be9edec7
Commit be9edec7 authored Mar 20, 2014 by Alessandro Rubini
Hide whitespace changes
Inline Side-by-side

Showing with 30 additions and 0 deletions

tools-common.h tools/tools-common.h +30 -0

No files found.
--- a/tools/tools-common.h
+++ b/tools/tools-common.h
+
+/* Simple code that is repeated over several tools */
+
+static inline void tools_getopt_d_i(int argc, char **argv,
+				    int *dev, int *index)
+{
+	char *rest;
+	int opt;
+
+	while ((opt = getopt(argc, argv, "d:i:")) != -1) {
+		switch (opt) {
+		case 'i':
+			*index = strtol(optarg, &rest, 0);
+			if (rest && *rest) {
+				fprintf(stderr, "%s: Not a number \"%s\"\n",
+					argv[0], optarg);
+				exit(1);
+			}
+			break;
+		case 'd':
+			*dev = strtol(optarg, &rest, 0);
+			if (rest && *rest) {
+				fprintf(stderr, "%s: Not a number \"%s\"\n",
+					argv[0], optarg);
+				exit(1);
+			}
+			break;
+		}
+	}
+}