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author | Mattias Andrée <maandree@kth.se> | 2021-03-02 18:11:58 +0100 |
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committer | Mattias Andrée <maandree@kth.se> | 2021-03-02 18:11:58 +0100 |
commit | d615f10762649507aebee9419147246bb1dc2a93 (patch) | |
tree | 4b3196b0bb70b6be4dd720c4be533517634b7f7e /src/lib/libgamma-error.c.gpp | |
parent | X RAndR: Fix connection failure detection (diff) | |
download | libgamma-d615f10762649507aebee9419147246bb1dc2a93.tar.gz libgamma-d615f10762649507aebee9419147246bb1dc2a93.tar.bz2 libgamma-d615f10762649507aebee9419147246bb1dc2a93.tar.xz |
Change license + change style + misc
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r-- | src/lib/libgamma-error.c.gpp | 202 |
1 files changed, 96 insertions, 106 deletions
diff --git a/src/lib/libgamma-error.c.gpp b/src/lib/libgamma-error.c.gpp index a606dd7..d43f336 100644 --- a/src/lib/libgamma-error.c.gpp +++ b/src/lib/libgamma-error.c.gpp @@ -1,21 +1,5 @@ /* -*- c -*- */ -/** - * libgamma -- Display server abstraction layer for gamma ramp adjustments - * Copyright (C) 2014, 2015 Mattias Andrée (maandree@member.fsf.org) - * - * This library is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this library. If not, see <http://www.gnu.org/licenses/>. - */ +/* See LICENSE file for copyright and license details. */ #include "libgamma-error.h" @@ -35,17 +19,19 @@ $>export PATH=".:${PATH}" /** * Group that the user needs to be a member of if - * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned. + * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned */ #ifndef __WIN32__ __thread gid_t libgamma_group_gid = 0; -gid_t libgamma_group_gid_get(void) +gid_t +libgamma_group_gid_get(void) { - return libgamma_group_gid; + return libgamma_group_gid; } -void libgamma_group_gid_set(gid_t value) +void +libgamma_group_gid_set(gid_t value) { - libgamma_group_gid = value; + libgamma_group_gid = value; } #else short libgamma_group_gid = 0; @@ -55,20 +41,21 @@ short libgamma_group_gid = 0; * Group that the user needs to be a member of if * `LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned, * `NULL` if the name of the group `libgamma_group_gid` - * cannot be determined. + * cannot be determined */ #ifndef __WIN32__ -__thread const char* libgamma_group_name = NULL; -const char* libgamma_group_name_get(void) -{ - return libgamma_group_name; +__thread const char *libgamma_group_name = NULL; +const char * +libgamma_group_name_get(void) { + return libgamma_group_name; } -void libgamma_group_name_set(const char* value) +void +libgamma_group_name_set(const char *value) { - libgamma_group_name = value; + libgamma_group_name = value; } #else -const char* libgamma_group_name = NULL; +const char *libgamma_group_name = NULL; #endif @@ -87,102 +74,105 @@ const char* libgamma_group_name = NULL; * 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. + * @param name The text to add at the beginning + * @param value The error code, may be an `errno` value */ -void libgamma_perror(const char* name, int error_code) +void +libgamma_perror(const char *name, int error_code) { - if (error_code >= 0) - { - /* Print the stored errno value. */ - errno = error_code; - perror(name); - } - else if (error_code == LIBGAMMA_ERRNO_SET) - /* Print errno. */ - perror(name); - else if (error_code == LIBGAMMA_DEVICE_REQUIRE_GROUP) - { - /* Print the error name and the required group membership. */ - const char* error = libgamma_name_of_error(error_code); - long int gid = (long int)libgamma_group_gid; - if (libgamma_group_name == NULL) - /* Group name unknown. */ - if (name && *name) - fprintf(stderr, "%s: %s: %ld\n", name, error, gid); - else - fprintf(stderr, "%s: %ld\n", error, gid); - else - /* Group name known, ID is second class. */ - if (name && *name) - fprintf(stderr, "%s: %s: %s (%ld)\n", name, error, libgamma_group_name, gid); - else - fprintf(stderr, "%s: %s (%ld)\n", error, libgamma_group_name, gid); - } - else if (error_code < LIBGAMMA_ERROR_MIN) - /* If the error code does not exist, print "(?)" */ - if (name && *name) - fprintf(stderr, "%s: (?)\n", name); - else - fprintf(stderr, "(?)\n"); - else - /* Print the name of the error. */ - if (name && *name) - fprintf(stderr, "%s: %s\n", name, libgamma_name_of_error(error_code)); - else - fprintf(stderr, "%s\n", libgamma_name_of_error(error_code)); + const char *error; + long int gid; + + if (error_code >= 0) { + /* Print the stored errno value */ + errno = error_code; + perror(name); + } else if (error_code == LIBGAMMA_ERRNO_SET) { + /* Print errno */ + perror(name); + } else if (error_code == LIBGAMMA_DEVICE_REQUIRE_GROUP) { + /* Print the error name and the required group membership */ + error = libgamma_name_of_error(error_code); + gid = (long int)libgamma_group_gid; + if (!libgamma_group_name) { + /* Group name unknown */ + if (name && *name) + fprintf(stderr, "%s: %s: %ld\n", name, error, gid); + else + fprintf(stderr, "%s: %ld\n", error, gid); + } else { + /* Group name known, ID is second class */ + if (name && *name) + fprintf(stderr, "%s: %s: %s (%ld)\n", name, error, libgamma_group_name, gid); + else + fprintf(stderr, "%s: %s (%ld)\n", error, libgamma_group_name, gid); + } + } else if (error_code < LIBGAMMA_ERROR_MIN) { + /* If the error code does not exist, print "(?)" */ + if (name && *name) + fprintf(stderr, "%s: (?)\n", name); + else + fprintf(stderr, "(?)\n"); + } else { + /* Print the name of the error */ + if (name && *name) + fprintf(stderr, "%s: %s\n", name, libgamma_name_of_error(error_code)); + else + fprintf(stderr, "%s\n", libgamma_name_of_error(error_code)); + } } /** - * Returns the name of the definition associated with a `libgamma` error code. + * Returns the name of the definition associated with a `libgamma` error code * - * @param value The error code. + * @param value The error code * @return The name of the definition associated with the error code, - * `NULL` if the error code does not exist. The return string - * should not be `free`:d. + * `NULL` if the error code does not exist; the return string + * should not be `free`:d */ -const char* libgamma_name_of_error(int value) +const char * +libgamma_name_of_error(int value) { - /* Map from error codes to error names. - The output of $(libgamma-error-extract --list) - is sorted by error code in decreasing order. */ - static const char* error_names[] = - { + /* Map from error codes to error names. + The output of $(libgamma-error-extract --list) + is sorted by error code in decreasing order */ + static const char* error_names[] = { $>for error in $(libgamma-error-extract --list); do - "${error}", + "${error}", $>done - }; - - /* Return `NULL` if the error code is invalid. */ - if ((value < LIBGAMMA_ERROR_MIN) || (value >= 0)) - return NULL; - - /* Convert error code from {-1, -2, -3, ...} to {0, 1, 2, ...} - and look up the error's name and return it. */ - return error_names[-value - 1]; + }; + + /* Return `NULL` if the error code is invalid */ + if (value < LIBGAMMA_ERROR_MIN || value >= 0) + return NULL; + + /* Convert error code from {-1, -2, -3, ...} to {0, 1, 2, ...} + * and look up the error's name and return it */ + return error_names[-value - 1]; } /** - * Return the value of a `libgamma` error definition refered to by name. + * Return the value of a `libgamma` error definition refered to by name * - * @param name The name of the definition associated with the error code. + * @param name The name of the definition associated with the error code * @return The error code, zero if the name does is `NULL` - * or does not refer to a `libgamma` error. + * or does not refer to a `libgamma` error */ -int libgamma_value_of_error(const char* name) +int +libgamma_value_of_error(const char *name) { - /* Return 0 (not a valid error code) if the error name is `NULL`. */ - if (name == NULL) - return 0; - - /* Test error names against `name` and return the value of the match error. */ + /* Return 0 (not a valid error code) if the error name is `NULL` */ + if (!name) + return 0; + + /* Test error names against `name` and return the value of the match error */ $>for error in $(libgamma-error-extract --list); do - if (!strcmp(name, "${error}")) return ${error}; + if (!strcmp(name, "${error}")) + return ${error}; $>done - - /* Return 0 (not a valid error code) if the error name is unknown. */ - return 0; -} + /* Return 0 (not a valid error code) if the error name is unknown */ + return 0; +} |