diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/getarg.c')
-rw-r--r-- | crypto/heimdal/lib/roken/getarg.c | 595 |
1 files changed, 0 insertions, 595 deletions
diff --git a/crypto/heimdal/lib/roken/getarg.c b/crypto/heimdal/lib/roken/getarg.c deleted file mode 100644 index c732d2f..0000000 --- a/crypto/heimdal/lib/roken/getarg.c +++ /dev/null @@ -1,595 +0,0 @@ -/* - * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * 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. - * - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -RCSID("$Id: getarg.c 21005 2007-06-08 01:54:35Z lha $"); -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "roken.h" -#include "getarg.h" - -#define ISFLAG(X) ((X).type == arg_flag || (X).type == arg_negative_flag) - -static size_t -print_arg (char *string, size_t len, int mdoc, int longp, struct getargs *arg) -{ - const char *s; - - *string = '\0'; - - if (ISFLAG(*arg) || (!longp && arg->type == arg_counter)) - return 0; - - if(mdoc){ - if(longp) - strlcat(string, "= Ns", len); - strlcat(string, " Ar ", len); - } else { - if (longp) - strlcat (string, "=", len); - else - strlcat (string, " ", len); - } - - if (arg->arg_help) - s = arg->arg_help; - else if (arg->type == arg_integer || arg->type == arg_counter) - s = "integer"; - else if (arg->type == arg_string) - s = "string"; - else if (arg->type == arg_strings) - s = "strings"; - else if (arg->type == arg_double) - s = "float"; - else - s = "<undefined>"; - - strlcat(string, s, len); - return 1 + strlen(s); -} - -static void -mandoc_template(struct getargs *args, - size_t num_args, - const char *progname, - const char *extra_string) -{ - int i; - char timestr[64], cmd[64]; - char buf[128]; - const char *p; - time_t t; - - printf(".\\\" Things to fix:\n"); - printf(".\\\" * correct section, and operating system\n"); - printf(".\\\" * remove Op from mandatory flags\n"); - printf(".\\\" * use better macros for arguments (like .Pa for files)\n"); - printf(".\\\"\n"); - t = time(NULL); - strftime(timestr, sizeof(timestr), "%B %e, %Y", localtime(&t)); - printf(".Dd %s\n", timestr); - p = strrchr(progname, '/'); - if(p) p++; else p = progname; - strlcpy(cmd, p, sizeof(cmd)); - strupr(cmd); - - printf(".Dt %s SECTION\n", cmd); - printf(".Os OPERATING_SYSTEM\n"); - printf(".Sh NAME\n"); - printf(".Nm %s\n", p); - printf(".Nd\n"); - printf("in search of a description\n"); - printf(".Sh SYNOPSIS\n"); - printf(".Nm\n"); - for(i = 0; i < num_args; i++){ - /* we seem to hit a limit on number of arguments if doing - short and long flags with arguments -- split on two lines */ - if(ISFLAG(args[i]) || - args[i].short_name == 0 || args[i].long_name == NULL) { - printf(".Op "); - - if(args[i].short_name) { - print_arg(buf, sizeof(buf), 1, 0, args + i); - printf("Fl %c%s", args[i].short_name, buf); - if(args[i].long_name) - printf(" | "); - } - if(args[i].long_name) { - print_arg(buf, sizeof(buf), 1, 1, args + i); - printf("Fl -%s%s%s", - args[i].type == arg_negative_flag ? "no-" : "", - args[i].long_name, buf); - } - printf("\n"); - } else { - print_arg(buf, sizeof(buf), 1, 0, args + i); - printf(".Oo Fl %c%s \\*(Ba Xo\n", args[i].short_name, buf); - print_arg(buf, sizeof(buf), 1, 1, args + i); - printf(".Fl -%s%s\n.Xc\n.Oc\n", args[i].long_name, buf); - } - /* - if(args[i].type == arg_strings) - fprintf (stderr, "..."); - */ - } - if (extra_string && *extra_string) - printf (".Ar %s\n", extra_string); - printf(".Sh DESCRIPTION\n"); - printf("Supported options:\n"); - printf(".Bl -tag -width Ds\n"); - for(i = 0; i < num_args; i++){ - printf(".It Xo\n"); - if(args[i].short_name){ - printf(".Fl %c", args[i].short_name); - print_arg(buf, sizeof(buf), 1, 0, args + i); - printf("%s", buf); - if(args[i].long_name) - printf(" ,"); - printf("\n"); - } - if(args[i].long_name){ - printf(".Fl -%s%s", - args[i].type == arg_negative_flag ? "no-" : "", - args[i].long_name); - print_arg(buf, sizeof(buf), 1, 1, args + i); - printf("%s\n", buf); - } - printf(".Xc\n"); - if(args[i].help) - printf("%s\n", args[i].help); - /* - if(args[i].type == arg_strings) - fprintf (stderr, "..."); - */ - } - printf(".El\n"); - printf(".\\\".Sh ENVIRONMENT\n"); - printf(".\\\".Sh FILES\n"); - printf(".\\\".Sh EXAMPLES\n"); - printf(".\\\".Sh DIAGNOSTICS\n"); - printf(".\\\".Sh SEE ALSO\n"); - printf(".\\\".Sh STANDARDS\n"); - printf(".\\\".Sh HISTORY\n"); - printf(".\\\".Sh AUTHORS\n"); - printf(".\\\".Sh BUGS\n"); -} - -static int -check_column(FILE *f, int col, int len, int columns) -{ - if(col + len > columns) { - fprintf(f, "\n"); - col = fprintf(f, " "); - } - return col; -} - -void ROKEN_LIB_FUNCTION -arg_printusage (struct getargs *args, - size_t num_args, - const char *progname, - const char *extra_string) -{ - int i; - size_t max_len = 0; - char buf[128]; - int col = 0, columns; - struct winsize ws; - - if (progname == NULL) - progname = getprogname(); - - if(getenv("GETARGMANDOC")){ - mandoc_template(args, num_args, progname, extra_string); - return; - } - if(get_window_size(2, &ws) == 0) - columns = ws.ws_col; - else - columns = 80; - col = 0; - col += fprintf (stderr, "Usage: %s", progname); - buf[0] = '\0'; - for (i = 0; i < num_args; ++i) { - if(args[i].short_name && ISFLAG(args[i])) { - char s[2]; - if(buf[0] == '\0') - strlcpy(buf, "[-", sizeof(buf)); - s[0] = args[i].short_name; - s[1] = '\0'; - strlcat(buf, s, sizeof(buf)); - } - } - if(buf[0] != '\0') { - strlcat(buf, "]", sizeof(buf)); - col = check_column(stderr, col, strlen(buf) + 1, columns); - col += fprintf(stderr, " %s", buf); - } - - for (i = 0; i < num_args; ++i) { - size_t len = 0; - - if (args[i].long_name) { - buf[0] = '\0'; - strlcat(buf, "[--", sizeof(buf)); - len += 2; - if(args[i].type == arg_negative_flag) { - strlcat(buf, "no-", sizeof(buf)); - len += 3; - } - strlcat(buf, args[i].long_name, sizeof(buf)); - len += strlen(args[i].long_name); - len += print_arg(buf + strlen(buf), sizeof(buf) - strlen(buf), - 0, 1, &args[i]); - strlcat(buf, "]", sizeof(buf)); - if(args[i].type == arg_strings) - strlcat(buf, "...", sizeof(buf)); - col = check_column(stderr, col, strlen(buf) + 1, columns); - col += fprintf(stderr, " %s", buf); - } - if (args[i].short_name && !ISFLAG(args[i])) { - snprintf(buf, sizeof(buf), "[-%c", args[i].short_name); - len += 2; - len += print_arg(buf + strlen(buf), sizeof(buf) - strlen(buf), - 0, 0, &args[i]); - strlcat(buf, "]", sizeof(buf)); - if(args[i].type == arg_strings) - strlcat(buf, "...", sizeof(buf)); - col = check_column(stderr, col, strlen(buf) + 1, columns); - col += fprintf(stderr, " %s", buf); - } - if (args[i].long_name && args[i].short_name) - len += 2; /* ", " */ - max_len = max(max_len, len); - } - if (extra_string) { - col = check_column(stderr, col, strlen(extra_string) + 1, columns); - fprintf (stderr, " %s\n", extra_string); - } else - fprintf (stderr, "\n"); - for (i = 0; i < num_args; ++i) { - if (args[i].help) { - size_t count = 0; - - if (args[i].short_name) { - count += fprintf (stderr, "-%c", args[i].short_name); - print_arg (buf, sizeof(buf), 0, 0, &args[i]); - count += fprintf(stderr, "%s", buf); - } - if (args[i].short_name && args[i].long_name) - count += fprintf (stderr, ", "); - if (args[i].long_name) { - count += fprintf (stderr, "--"); - if (args[i].type == arg_negative_flag) - count += fprintf (stderr, "no-"); - count += fprintf (stderr, "%s", args[i].long_name); - print_arg (buf, sizeof(buf), 0, 1, &args[i]); - count += fprintf(stderr, "%s", buf); - } - while(count++ <= max_len) - putc (' ', stderr); - fprintf (stderr, "%s\n", args[i].help); - } - } -} - -static int -add_string(getarg_strings *s, char *value) -{ - char **strings; - - strings = realloc(s->strings, (s->num_strings + 1) * sizeof(*s->strings)); - if (strings == NULL) { - free(s->strings); - s->strings = NULL; - s->num_strings = 0; - return ENOMEM; - } - s->strings = strings; - s->strings[s->num_strings] = value; - s->num_strings++; - return 0; -} - -static int -arg_match_long(struct getargs *args, size_t num_args, - char *argv, int argc, char **rargv, int *goptind) -{ - int i; - char *goptarg = NULL; - int negate = 0; - int partial_match = 0; - struct getargs *partial = NULL; - struct getargs *current = NULL; - int argv_len; - char *p; - int p_len; - - argv_len = strlen(argv); - p = strchr (argv, '='); - if (p != NULL) - argv_len = p - argv; - - for (i = 0; i < num_args; ++i) { - if(args[i].long_name) { - int len = strlen(args[i].long_name); - p = argv; - p_len = argv_len; - negate = 0; - - for (;;) { - if (strncmp (args[i].long_name, p, p_len) == 0) { - if(p_len == len) - current = &args[i]; - else { - ++partial_match; - partial = &args[i]; - } - goptarg = p + p_len; - } else if (ISFLAG(args[i]) && strncmp (p, "no-", 3) == 0) { - negate = !negate; - p += 3; - p_len -= 3; - continue; - } - break; - } - if (current) - break; - } - } - if (current == NULL) { - if (partial_match == 1) - current = partial; - else - return ARG_ERR_NO_MATCH; - } - - if(*goptarg == '\0' - && !ISFLAG(*current) - && current->type != arg_collect - && current->type != arg_counter) - return ARG_ERR_NO_MATCH; - switch(current->type){ - case arg_integer: - { - int tmp; - if(sscanf(goptarg + 1, "%d", &tmp) != 1) - return ARG_ERR_BAD_ARG; - *(int*)current->value = tmp; - return 0; - } - case arg_string: - { - *(char**)current->value = goptarg + 1; - return 0; - } - case arg_strings: - { - return add_string((getarg_strings*)current->value, goptarg + 1); - } - case arg_flag: - case arg_negative_flag: - { - int *flag = current->value; - if(*goptarg == '\0' || - strcmp(goptarg + 1, "yes") == 0 || - strcmp(goptarg + 1, "true") == 0){ - *flag = !negate; - return 0; - } else if (*goptarg && strcmp(goptarg + 1, "maybe") == 0) { -#ifdef HAVE_RANDOM - *flag = random() & 1; -#else - *flag = rand() & 1; -#endif - } else { - *flag = negate; - return 0; - } - return ARG_ERR_BAD_ARG; - } - case arg_counter : - { - int val; - - if (*goptarg == '\0') - val = 1; - else if(sscanf(goptarg + 1, "%d", &val) != 1) - return ARG_ERR_BAD_ARG; - *(int *)current->value += val; - return 0; - } - case arg_double: - { - double tmp; - if(sscanf(goptarg + 1, "%lf", &tmp) != 1) - return ARG_ERR_BAD_ARG; - *(double*)current->value = tmp; - return 0; - } - case arg_collect:{ - struct getarg_collect_info *c = current->value; - int o = argv - rargv[*goptind]; - return (*c->func)(FALSE, argc, rargv, goptind, &o, c->data); - } - - default: - abort (); - } -} - -static int -arg_match_short (struct getargs *args, size_t num_args, - char *argv, int argc, char **rargv, int *goptind) -{ - int j, k; - - for(j = 1; j > 0 && j < strlen(rargv[*goptind]); j++) { - for(k = 0; k < num_args; k++) { - char *goptarg; - - if(args[k].short_name == 0) - continue; - if(argv[j] == args[k].short_name) { - if(args[k].type == arg_flag) { - *(int*)args[k].value = 1; - break; - } - if(args[k].type == arg_negative_flag) { - *(int*)args[k].value = 0; - break; - } - if(args[k].type == arg_counter) { - ++*(int *)args[k].value; - break; - } - if(args[k].type == arg_collect) { - struct getarg_collect_info *c = args[k].value; - - if((*c->func)(TRUE, argc, rargv, goptind, &j, c->data)) - return ARG_ERR_BAD_ARG; - break; - } - - if(argv[j + 1]) - goptarg = &argv[j + 1]; - else { - ++*goptind; - goptarg = rargv[*goptind]; - } - if(goptarg == NULL) { - --*goptind; - return ARG_ERR_NO_ARG; - } - if(args[k].type == arg_integer) { - int tmp; - if(sscanf(goptarg, "%d", &tmp) != 1) - return ARG_ERR_BAD_ARG; - *(int*)args[k].value = tmp; - return 0; - } else if(args[k].type == arg_string) { - *(char**)args[k].value = goptarg; - return 0; - } else if(args[k].type == arg_strings) { - return add_string((getarg_strings*)args[k].value, goptarg); - } else if(args[k].type == arg_double) { - double tmp; - if(sscanf(goptarg, "%lf", &tmp) != 1) - return ARG_ERR_BAD_ARG; - *(double*)args[k].value = tmp; - return 0; - } - return ARG_ERR_BAD_ARG; - } - } - if (k == num_args) - return ARG_ERR_NO_MATCH; - } - return 0; -} - -int ROKEN_LIB_FUNCTION -getarg(struct getargs *args, size_t num_args, - int argc, char **argv, int *goptind) -{ - int i; - int ret = 0; - -#if defined(HAVE_SRANDOMDEV) - srandomdev(); -#elif defined(HAVE_RANDOM) - srandom(time(NULL)); -#else - srand (time(NULL)); -#endif - (*goptind)++; - for(i = *goptind; i < argc; i++) { - if(argv[i][0] != '-') - break; - if(argv[i][1] == '-'){ - if(argv[i][2] == 0){ - i++; - break; - } - ret = arg_match_long (args, num_args, argv[i] + 2, - argc, argv, &i); - } else { - ret = arg_match_short (args, num_args, argv[i], - argc, argv, &i); - } - if(ret) - break; - } - *goptind = i; - return ret; -} - -void ROKEN_LIB_FUNCTION -free_getarg_strings (getarg_strings *s) -{ - free (s->strings); -} - -#if TEST -int foo_flag = 2; -int flag1 = 0; -int flag2 = 0; -int bar_int; -char *baz_string; - -struct getargs args[] = { - { NULL, '1', arg_flag, &flag1, "one", NULL }, - { NULL, '2', arg_flag, &flag2, "two", NULL }, - { "foo", 'f', arg_negative_flag, &foo_flag, "foo", NULL }, - { "bar", 'b', arg_integer, &bar_int, "bar", "seconds"}, - { "baz", 'x', arg_string, &baz_string, "baz", "name" }, -}; - -int main(int argc, char **argv) -{ - int goptind = 0; - while(getarg(args, 5, argc, argv, &goptind)) - printf("Bad arg: %s\n", argv[goptind]); - printf("flag1 = %d\n", flag1); - printf("flag2 = %d\n", flag2); - printf("foo_flag = %d\n", foo_flag); - printf("bar_int = %d\n", bar_int); - printf("baz_flag = %s\n", baz_string); - arg_printusage (args, 5, argv[0], "nothing here"); -} -#endif |