47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
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*
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*/
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#include "libi3.h"
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#include <err.h>
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#include <glob.h>
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#include <stdlib.h>
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#include <string.h>
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/*
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* This function resolves ~ in pathnames.
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* It may resolve wildcards in the first part of the path, but if no match
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* or multiple matches are found, it just returns a copy of path as given.
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*
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*/
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char *resolve_tilde(const char *path) {
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static glob_t globbuf;
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char *head, *tail, *result;
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tail = strchr(path, '/');
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head = sstrndup(path, tail ? (size_t)(tail - path) : strlen(path));
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int res = glob(head, GLOB_TILDE, NULL, &globbuf);
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free(head);
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/* no match, or many wildcard matches are bad */
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if (res == GLOB_NOMATCH || globbuf.gl_pathc != 1)
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result = sstrdup(path);
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else if (res != 0) {
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err(EXIT_FAILURE, "glob() failed");
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} else {
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head = globbuf.gl_pathv[0];
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result = scalloc(strlen(head) + (tail ? strlen(tail) : 0) + 1, 1);
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strcpy(result, head);
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if (tail) {
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strcat(result, tail);
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}
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}
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globfree(&globbuf);
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return result;
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}
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