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authorMattias Andrée <maandree@kth.se>2021-04-17 12:41:00 +0200
committerMattias Andrée <maandree@kth.se>2021-04-17 12:41:00 +0200
commitd1d94e62cec041991d7716232d31f81759b7d85a (patch)
treef64735823cb2459832b7b976e468486ac098763f /libparser-generate.c
parentDo not require libsimple at runtime (diff)
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Do not require libsimple at all
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--libparser-generate.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/libparser-generate.c b/libparser-generate.c
index 25fb8a9..cc03972 100644
--- a/libparser-generate.c
+++ b/libparser-generate.c
@@ -7,9 +7,16 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <libsimple-arg.h>
-USAGE("main-rule");
+
+static const char *argv0 = "libparser-generate";
+
+static void
+usage(void)
+{
+ fprintf(stderr, "usage: %s main-rule\n", argv0);
+ exit(1);
+}
#define eprintf(...) (fprintf(stderr, __VA_ARGS__), exit(1))
@@ -496,10 +503,16 @@ main(int argc, char *argv[])
size_t i, j;
int cmp, err;
- ARGBEGIN {
- default:
- usage();
- } ARGEND;
+ if (argc) {
+ argv0 = *argv++;
+ argc--;
+ }
+ if (argc && argv[0][0] == '-') {
+ if (argv[0][1] != '-' || argv[0][2])
+ usage();
+ argv++;
+ argc--;
+ }
if (argc != 1 || !isidentifier(argv[0][0]))
usage();