diff options
| -rw-r--r-- | Makefile | 7 | ||||
| -rw-r--r-- | src/libgamma-error.c.gpp (renamed from src/libgamma-error.c) | 53 | ||||
| -rw-r--r-- | src/libgamma-error.h | 21 |
3 files changed, 81 insertions, 0 deletions
@@ -124,6 +124,13 @@ obj/%.o: src/%.c src/*.h mkdir -p $(shell dirname $@) $(CC) $(LIB_FLAGS) $(LIBS_C) -fPIC -c -o $@ $< +obj/%.o: obj/%.c src/*.h + $(CC) $(LIB_FLAGS) $(LIBS_C) -fPIC -iquote"src" -c -o $@ $< + +obj/%: src/%.gpp + mkdir -p $(shell dirname $@) + $(GPP) --symbol '£' --input $< --output $@ + .PHONY: test test: bin/test diff --git a/src/libgamma-error.c b/src/libgamma-error.c.gpp index 9374f8b..93f8542 100644 --- a/src/libgamma-error.c +++ b/src/libgamma-error.c.gpp @@ -1,3 +1,4 @@ +/* -*- c -*- */ /** * libgamma — Display server abstraction layer for gamma ramp adjustments * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) @@ -20,6 +21,8 @@ #include <stddef.h> #include <sys/types.h> +#include <string.h> + /** @@ -33,3 +36,53 @@ gid_t libgamma_group_gid = 0; */ const char* libgamma_group_name = NULL; + + +£>set -u +£>cd info +£>export PATH=".:${PATH}" + + +/** + * Returns the name of the definition associated with a libgamma 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. + */ +const char* libgamma_name_of_error(int value) +{ + static const char* error_names[] = + { +£>for error in $(libgamma-error-extract --list); do + "£{error}", +£>done + }; + + if ((value < LIBGAMMA_ERROR_MIN) || (value >= 0)) + return NULL; + + return error_names[-value - 1]; +} + + +/** + * Return the value of a libgamma error definition refered to by name. + * + * @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 an libgamma error. + */ +int libgamma_value_of_error(const char* name) +{ + if (name == NULL) + return 0; + +£>for error in $(libgamma-error-extract --list); do + if (!strcmp(name, "£{error}")) return £{error}; +£>done + + return 0; +} + diff --git a/src/libgamma-error.h b/src/libgamma-error.h index 1698e5f..fac5276 100644 --- a/src/libgamma-error.h +++ b/src/libgamma-error.h @@ -288,5 +288,26 @@ extern const char* libgamma_group_name; +/** + * Returns the name of the definition associated with a libgamma 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. + */ +const char* libgamma_name_of_error(int value) __attribute__((const)); + +/** + * Return the value of a libgamma error definition refered to by name. + * + * @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 an libgamma error. + */ +int libgamma_value_of_error(const char* name) __attribute__((const)); + + + #endif |