mirror of
https://github.com/reactos/ccache.git
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92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/*
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convenient routines for argument list handling
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Copyright (C) Andrew Tridgell 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "ccache.h"
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ARGS *args_init(int init_argc, char **init_args)
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{
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ARGS *args;
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int i;
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args = (ARGS *)x_malloc(sizeof(ARGS));
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args->argc = 0;
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args->argv = (char **)x_malloc(sizeof(char *));
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args->argv[0] = NULL;
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for (i=0;i<init_argc;i++) {
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args_add(args, init_args[i]);
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}
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return args;
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}
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void args_add(ARGS *args, const char *s)
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{
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args->argv = (char**)x_realloc(args->argv, (args->argc + 2) * sizeof(char *));
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args->argv[args->argc] = x_strdup(s);
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args->argc++;
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args->argv[args->argc] = NULL;
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}
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/* pop the last element off the args list */
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void args_pop(ARGS *args, int n)
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{
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while (n--) {
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args->argc--;
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free(args->argv[args->argc]);
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args->argv[args->argc] = NULL;
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}
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}
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/* remove the first element of the argument list */
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void args_remove_first(ARGS *args)
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{
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free(args->argv[0]);
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memmove(&args->argv[0],
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&args->argv[1],
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args->argc * sizeof(args->argv[0]));
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args->argc--;
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}
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/* add an argument into the front of the argument list */
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void args_add_prefix(ARGS *args, const char *s)
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{
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args->argv = (char**)x_realloc(args->argv, (args->argc + 2) * sizeof(char *));
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memmove(&args->argv[1], &args->argv[0],
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(args->argc+1) * sizeof(args->argv[0]));
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args->argv[0] = x_strdup(s);
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args->argc++;
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}
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/* strip any arguments beginning with the specified prefix */
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void args_strip(ARGS *args, const char *prefix)
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{
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int i;
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for (i=0; i<args->argc; ) {
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if (strncmp(args->argv[i], prefix, strlen(prefix)) == 0) {
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free(args->argv[i]);
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memmove(&args->argv[i],
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&args->argv[i+1],
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args->argc * sizeof(args->argv[i]));
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args->argc--;
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} else {
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i++;
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}
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}
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}
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