76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
/* SPDX-License-Identifier: MIT OR X11
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*
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* Copyright © 1987, 1998 The Open Group
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* Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
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*/
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#include <dix-config.h>
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#include <stdlib.h>
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#include <string.h>
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#include "os/fmt.h"
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#include "os.h"
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char *
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Xstrdup(const char *s)
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{
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if (s == NULL)
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return NULL;
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return strdup(s);
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}
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char *
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XNFstrdup(const char *s)
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{
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char *ret;
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if (s == NULL)
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return NULL;
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ret = strdup(s);
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if (!ret)
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FatalError("XNFstrdup: Out of memory");
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return ret;
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}
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/*
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* Tokenize a string into a NULL terminated array of strings. Always returns
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* an allocated array unless an error occurs.
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*/
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char **
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xstrtokenize(const char *str, const char *separators)
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{
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char **list, **nlist;
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char *tok, *tmp;
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unsigned num = 0, n;
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if (!str)
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return NULL;
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list = calloc(1, sizeof(*list));
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if (!list)
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return NULL;
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tmp = strdup(str);
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if (!tmp)
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goto error;
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for (tok = strtok(tmp, separators); tok; tok = strtok(NULL, separators)) {
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nlist = reallocarray(list, num + 2, sizeof(*list));
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if (!nlist)
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goto error;
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list = nlist;
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list[num] = strdup(tok);
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if (!list[num])
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goto error;
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list[++num] = NULL;
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}
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free(tmp);
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return list;
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error:
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free(tmp);
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for (n = 0; n < num; n++)
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free(list[n]);
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free(list);
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return NULL;
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}
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