From: notaz Date: Fri, 26 Feb 2016 23:39:52 +0000 (+0200) Subject: add some maybe helpful error messages X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=HEAD;p=corsairmi.git add some maybe helpful error messages --- diff --git a/corsairmi.c b/corsairmi.c index f45b421..e7a1287 100644 --- a/corsairmi.c +++ b/corsairmi.c @@ -61,6 +61,7 @@ #include #include #include +#include #include static const uint16_t products[] = { @@ -221,6 +222,7 @@ out: int main(int argc, char *argv[]) { + int had_eacces = 0; char name[63]; uint32_t v32; uint8_t osel; @@ -240,6 +242,16 @@ int main(int argc, char *argv[]) fd = try_open_device(name, 0); if (fd != -1) break; + if (errno == EACCES) + had_eacces = 1; + } + if (fd == -1) { + fprintf(stderr, "No compatible devices found.\n"); + if (had_eacces) + fprintf(stderr, "At least one device " + "could not be checked because " + "of lack of permissions for " + "/dev/hidraw*.\n"); } }