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Diffstat (limited to 'contrib/atf/atf-c/config.c')
| -rw-r--r-- | contrib/atf/atf-c/config.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/contrib/atf/atf-c/config.c b/contrib/atf/atf-c/config.c new file mode 100644 index 0000000..f1047f0 --- /dev/null +++ b/contrib/atf/atf-c/config.c @@ -0,0 +1,164 @@ +/* + * Automated Testing Framework (atf) + * + * Copyright (c) 2008 The NetBSD Foundation, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND + * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <ctype.h> +#include <stdbool.h> +#include <stdlib.h> +#include <string.h> + +#include "atf-c/config.h" + +#include "detail/env.h" +#include "detail/sanity.h" + +static bool initialized = false; + +static struct var { + const char *name; + const char *default_value; + const char *value; + bool can_be_empty; +} vars[] = { + { "atf_arch", ATF_ARCH, NULL, false, }, + { "atf_build_cc", ATF_BUILD_CC, NULL, false, }, + { "atf_build_cflags", ATF_BUILD_CFLAGS, NULL, true, }, + { "atf_build_cpp", ATF_BUILD_CPP, NULL, false, }, + { "atf_build_cppflags", ATF_BUILD_CPPFLAGS, NULL, true, }, + { "atf_build_cxx", ATF_BUILD_CXX, NULL, false, }, + { "atf_build_cxxflags", ATF_BUILD_CXXFLAGS, NULL, true, }, + { "atf_confdir", ATF_CONFDIR, NULL, false, }, + { "atf_includedir", ATF_INCLUDEDIR, NULL, false, }, + { "atf_libdir", ATF_LIBDIR, NULL, false, }, + { "atf_libexecdir", ATF_LIBEXECDIR, NULL, false, }, + { "atf_machine", ATF_MACHINE, NULL, false, }, + { "atf_pkgdatadir", ATF_PKGDATADIR, NULL, false, }, + { "atf_shell", ATF_SHELL, NULL, false, }, + { "atf_workdir", ATF_WORKDIR, NULL, false, }, + { NULL, NULL, NULL, false, }, +}; + +/* Only used for unit testing, so this prototype is private. */ +void __atf_config_reinit(void); + +/* --------------------------------------------------------------------- + * Auxiliary functions. + * --------------------------------------------------------------------- */ + +static +char * +string_to_upper(const char *str) +{ + char *uc; + + uc = (char *)malloc(strlen(str) + 1); + if (uc != NULL) { + char *ucptr = uc; + while (*str != '\0') { + *ucptr = toupper((int)*str); + + str++; + ucptr++; + } + *ucptr = '\0'; + } + + return uc; +} + +static +void +initialize_var(struct var *var, const char *envname) +{ + PRE(var->value == NULL); + + if (atf_env_has(envname)) { + const char *val = atf_env_get(envname); + if (strlen(val) > 0 || var->can_be_empty) + var->value = val; + else + var->value = var->default_value; + } else + var->value = var->default_value; + + POST(var->value != NULL); +} + +static +void +initialize(void) +{ + struct var *var; + + PRE(!initialized); + + for (var = vars; var->name != NULL; var++) { + char *envname; + + envname = string_to_upper(var->name); + initialize_var(var, envname); + free(envname); + } + + initialized = true; +} + +/* --------------------------------------------------------------------- + * Free functions. + * --------------------------------------------------------------------- */ + +const char * +atf_config_get(const char *name) +{ + const struct var *var; + const char *value; + + if (!initialized) { + initialize(); + INV(initialized); + } + + value = NULL; + for (var = vars; value == NULL && var->name != NULL; var++) + if (strcmp(var->name, name) == 0) + value = var->value; + INV(value != NULL); + + return value; +} + +void +__atf_config_reinit(void) +{ + struct var *var; + + initialized = false; + + for (var = vars; var->name != NULL; var++) + var->value = NULL; +} |
