Add debug output if io_uring initialization fails.

[plocate] / plocate.cpp

diff --git a/plocate.cpp b/plocate.cpp
index 9f3928b1a8349e8db0e57d82bb31fd8df59171ef..66dfa918728ff7248f0705a92b857bca20e9ad62 100644 (file)
--- a/plocate.cpp
+++ b/plocate.cpp
@@ -1,4 +1,5 @@
 #include "db.h"
+#include "dprintf.h"
 #include "io_uring_engine.h"
 #include "parse_trigrams.h"
 #include "turbopfor.h"
@@ -33,13 +34,6 @@
 using namespace std;
 using namespace std::chrono;
 
-#define dprintf(...) \
-       do { \
-               if (use_debug) { \
-                       fprintf(stderr, __VA_ARGS__); \
-               } \
-       } while (false)
-
 #define DEFAULT_DBPATH "/var/lib/mlocate/plocate.db"
 
 const char *dbpath = DEFAULT_DBPATH;
@@ -668,6 +662,10 @@ int main(int argc, char **argv)
                case 'l':
                case 'n':
                        limit_matches = atoll(optarg);
+                       if (limit_matches <= 0) {
+                               fprintf(stderr, "Error: limit must be a strictly positive number.\n");
+                               exit(1);
+                       }
                        break;
                case '0':
                        print_nul = true;
@@ -705,7 +703,6 @@ int main(int argc, char **argv)
                Needle needle;
                needle.str = argv[i];
 
-
                // See if there are any wildcard characters, which indicates we should treat it
                // as an (anchored) glob.
                bool any_wildcard = false;