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-rw-r--r--libmailutils/tests/loctrack.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/libmailutils/tests/loctrack.c b/libmailutils/tests/loctrack.c
new file mode 100644
index 000000000..354280354
--- /dev/null
+++ b/libmailutils/tests/loctrack.c
@@ -0,0 +1,64 @@
+#include <mailutils/mailutils.h>
+#include <mailutils/locus.h>
+
+int
+main (int argc, char **argv)
+{
+ unsigned long max_lines;
+ char *end;
+ mu_locus_track_t trk;
+ int rc;
+ char *buf = NULL;
+ size_t size, n;
+
+ mu_set_program_name (argv[0]);
+ mu_stdstream_setup (MU_STDSTREAM_RESET_NONE);
+
+ if (argc != 3)
+ {
+ mu_error ("usage: %s FILE LINES", mu_program_name);
+ return 1;
+ }
+ max_lines = strtoul (argv[2], &end, 10);
+ if (*end || max_lines == 0)
+ {
+ mu_error ("invalid number of lines");
+ return 1;
+ }
+
+ MU_ASSERT (mu_locus_track_create (&trk, argv[1], max_lines));
+ while ((rc = mu_stream_getline (mu_strin, &buf, &size, &n)) == 0 && n > 0)
+ {
+ struct mu_locus_range lr;
+ char *tok;
+
+ n = mu_rtrim_class (buf, MU_CTYPE_SPACE);
+ if (n == 0)
+ continue;
+ if (buf[0] == '\\' && buf[1] == '-')
+ {
+ long x = strtol (buf+2, &end, 10);
+ if (*end || x == 0)
+ {
+ mu_error ("bad number");
+ continue;
+ }
+ rc = mu_locus_tracker_retreat (trk, x);
+ if (rc == ERANGE)
+ mu_error ("retreat count too big");
+ else if (rc)
+ mu_diag_funcall (MU_DIAG_ERROR, "mu_locus_tracker_retreat", buf+2,
+ rc);
+ }
+ else
+ {
+ mu_c_str_unescape (buf, "\\\n", "\\n", &tok);
+ mu_locus_tracker_advance (trk, &lr, tok, strlen (tok));
+ free (tok);
+ mu_stream_lprintf (mu_strout, &lr, "%s\n", buf);
+ }
+ }
+ return 0;
+}
+
+

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