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Use open(".")/fchdir() to save and restore current directory rather than

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getcwd()/chdir().
This commit is contained in:
nicm
2013-10-05 08:12:39 +00:00
parent 304ea079d2
commit 3d8a8ea0c6
1 changed files with 9 additions and 3 deletions
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12
tmux.c
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@@ -127,16 +127,22 @@ areshell(const char *shell)
const char* const char*
get_full_path(const char *wd, const char *path) get_full_path(const char *wd, const char *path)
{ {
int fd;
static char newpath[MAXPATHLEN]; static char newpath[MAXPATHLEN];
char oldpath[MAXPATHLEN];
if (getcwd(oldpath, sizeof oldpath) == NULL) fd = open(".", O_RDONLY);
if (fd == -1)
return (NULL); return (NULL);
if (chdir(wd) != 0) if (chdir(wd) != 0)
return (NULL); return (NULL);
if (realpath(path, newpath) != 0) if (realpath(path, newpath) != 0)
return (NULL); return (NULL);
chdir(oldpath);
if (fchdir(fd) != 0)
chdir("/");
close(fd);
return (newpath); return (newpath);
} }