diff options
Diffstat (limited to 'libreport/src/lib/parse_options.c')
| -rw-r--r-- | libreport/src/lib/parse_options.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/libreport/src/lib/parse_options.c b/libreport/src/lib/parse_options.c deleted file mode 100644 index f2f876b3..00000000 --- a/libreport/src/lib/parse_options.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - Copyright (C) 2010 ABRT team - Copyright (C) 2010 RedHat Inc - - This program 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 2 of the License, or - (at your option) any later version. - - This program 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 program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#include <getopt.h> -#include "libreport.h" -#include "parse_options.h" - -#define USAGE_OPTS_WIDTH 30 -#define USAGE_GAP 2 - -const char *g_progname; - -const char *abrt_init(char **argv) -{ - char *env_verbose = getenv("ABRT_VERBOSE"); - if (env_verbose) - g_verbose = atoi(env_verbose); - - g_progname = strrchr(argv[0], '/'); - if (g_progname) - g_progname++; - else - g_progname = argv[0]; - - char *pfx = getenv("ABRT_PROG_PREFIX"); - if (pfx && string_to_bool(pfx)) - msg_prefix = g_progname; - - return g_progname; -} - -void export_abrt_envvars(int pfx) -{ - putenv(xasprintf("ABRT_VERBOSE=%u", g_verbose)); - if (pfx) - { - putenv((char*)"ABRT_PROG_PREFIX=1"); - msg_prefix = g_progname; - } -} - -void show_usage_and_die(const char *usage, const struct options *opt) -{ - fputs(_("Usage: "), stderr); - while (*usage) - { - int len = strchrnul(usage, '\b') - usage; - if (len > 0) - { - fprintf(stderr, "%.*s", len, usage); - usage += len; - } - if (*usage == '\b') - { - fputs(g_progname, stderr); - usage++; - } - } - fputs("\n\n", stderr); - - for (; opt->type != OPTION_END; opt++) - { - size_t pos; - int pad; - - if (opt->type == OPTION_GROUP) - { - fputc('\n', stderr); - if (*opt->help) - fprintf(stderr, "%s\n", opt->help); - continue; - } - - pos = fprintf(stderr, " "); - if (opt->short_name) - pos += fprintf(stderr, "-%c", opt->short_name); - - if (opt->short_name && opt->long_name) - pos += fprintf(stderr, ", "); - - if (opt->long_name) - pos += fprintf(stderr, "--%s", opt->long_name); - - if (opt->argh) - { - const char *fmt = " %s"; - if (opt->type == OPTION_OPTSTRING) - fmt = "[%s]"; - pos += fprintf(stderr, fmt, opt->argh); - } - - if (pos <= USAGE_OPTS_WIDTH) - pad = USAGE_OPTS_WIDTH - pos; - else - { - fputc('\n', stderr); - pad = USAGE_OPTS_WIDTH; - } - fprintf(stderr, "%*s%s\n", pad + USAGE_GAP, "", opt->help); - } - fputc('\n', stderr); - exit(1); -} - -static int parse_opt_size(const struct options *opt) -{ - unsigned size = 0; - for (; opt->type != OPTION_END; opt++) - size++; - - return size; -} - -unsigned parse_opts(int argc, char **argv, const struct options *opt, - const char *usage) -{ - int help = 0; - int size = parse_opt_size(opt); - const int LONGOPT_OFFSET = 256; - - struct strbuf *shortopts = strbuf_new(); - - struct option *longopts = xzalloc(sizeof(longopts[0]) * (size+2)); - struct option *curopt = longopts; - int ii; - for (ii = 0; ii < size; ++ii) - { - curopt->name = opt[ii].long_name; - /*curopt->flag = 0; - xzalloc did it */ - if (opt[ii].short_name) - curopt->val = opt[ii].short_name; - else - curopt->val = LONGOPT_OFFSET + ii; - - switch (opt[ii].type) - { - case OPTION_BOOL: - curopt->has_arg = no_argument; - if (opt[ii].short_name) - strbuf_append_char(shortopts, opt[ii].short_name); - break; - case OPTION_INTEGER: - case OPTION_STRING: - case OPTION_LIST: - curopt->has_arg = required_argument; - if (opt[ii].short_name) - strbuf_append_strf(shortopts, "%c:", opt[ii].short_name); - break; - case OPTION_OPTSTRING: - curopt->has_arg = optional_argument; - if (opt[ii].short_name) - strbuf_append_strf(shortopts, "%c::", opt[ii].short_name); - break; - case OPTION_GROUP: - case OPTION_END: - break; - } - //log("curopt[%d].name:'%s' .has_arg:%d .flag:%p .val:%d", (int)(curopt-longopts), - // curopt->name, curopt->has_arg, curopt->flag, curopt->val); - /* - * getopt_long() thinks that NULL name marks the end of longopts. - * Example: - * [0] name:'verbose' val:'v' - * [1] name:NULL val:'c' - * [2] name:'force' val:'f' - * ... ... ... - * In this case, --force won't be accepted! - * Therefore we can only advance if name is not NULL. - */ - if (curopt->name) - curopt++; - } - curopt->name = "help"; - curopt->has_arg = no_argument; - curopt->flag = &help; - curopt->val = 1; - /* xzalloc did it already: - curopt++; - curopt->name = NULL; - curopt->has_arg = 0; - curopt->flag = NULL; - curopt->val = 0; - */ - - unsigned retval = 0; - while (1) - { - int c = getopt_long(argc, argv, shortopts->buf, longopts, NULL); - - if (c == -1) - break; - - if (c == '?' || help) - { - free(longopts); - strbuf_free(shortopts); - show_usage_and_die(usage, opt); - } - - for (ii = 0; ii < size; ++ii) - { - if (opt[ii].short_name == c || LONGOPT_OFFSET + ii == c) - { - if (ii < sizeof(retval)*8) - retval |= (1 << ii); - - if (opt[ii].value != NULL) switch (opt[ii].type) - { - case OPTION_BOOL: - *(int*)(opt[ii].value) += 1; - break; - case OPTION_INTEGER: - *(int*)(opt[ii].value) = xatoi(optarg); - break; - case OPTION_STRING: - case OPTION_OPTSTRING: - if (optarg) - *(char**)(opt[ii].value) = (char*)optarg; - break; - case OPTION_LIST: - *(GList**)(opt[ii].value) = g_list_append(*(GList**)(opt[ii].value), optarg); - break; - case OPTION_GROUP: - case OPTION_END: - break; - } - } - } - } - - free(longopts); - strbuf_free(shortopts); - - return retval; -} |