diff options
Diffstat (limited to '')
| -rw-r--r-- | src/libgamma-error.c.gpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/libgamma-error.c.gpp b/src/libgamma-error.c.gpp index 7e44c0d..9b274ab 100644 --- a/src/libgamma-error.c.gpp +++ b/src/libgamma-error.c.gpp @@ -55,7 +55,10 @@ const char* libgamma_group_name = NULL; * used to print the current error stored in `errno`. * If `error_code` is non-negative (an `errno` value`), that * value will be stored in `errno` and `perror` will be - * used to print it. + * used to print it. Additionally, if the `error_code` is + * the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the + * required group will be printed with its numerical value + * and, if known, its name. * * @param name The text to add at the beginning. * @param value The error code, may be an `errno` value. @@ -69,6 +72,15 @@ void libgamma_perror(const char* name, int error_code) } else if (error_code == LIBGAMMA_ERRNO_SET) perror(name); + else if (error_code == LIBGAMMA_DEVICE_REQUIRE_GROUP) + { + const char* error = libgamma_name_of_error(error_code); + long int gid = (long int)libgamma_group_gid; + if (libgamma_group_name == NULL) + fprintf(stderr, "%s: %s: %ld\n", name, error, gid); + else + fprintf(stderr, "%s: %s: %s (%lid)\n", name, error, libgamma_group_name, gid); + } else if (error_code < LIBGAMMA_ERROR_MIN) fprintf(stderr, "%s: (?)\n", name); else |