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tweaks: rename two variables, to better describe what they contain

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The 'tilded' variable is used for two purposes: a user's home directory,
and an intermediate user name.
This commit is contained in:
Benno Schulenberg 2019-09-17 14:18:03 +02:00
parent 4383b01b9b
commit f081fa3047
1 changed files with 15 additions and 15 deletions
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30
src/files.c
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@ -2305,44 +2305,44 @@ void do_savefile(void)
/* Convert the tilde notation when the given path begins with ~/ or ~user/.
* Return an allocated string containing the expanded path. */
char *real_dir_from_tilde(const char *buf)
char *real_dir_from_tilde(const char *path)
{
char *tilde_dir, *retval;
char *tilded, *retval;
size_t i = 1;
if (*buf != '~')
return mallocstrcpy(NULL, buf);
if (*path != '~')
return mallocstrcpy(NULL, path);
/* Figure out how much of the string we need to compare. */
while (buf[i] != '/' && buf[i] != '\0')
while (path[i] != '/' && path[i] != '\0')
i++;
if (i == 1) {
get_homedir();
tilde_dir = mallocstrcpy(NULL, homedir);
tilded = mallocstrcpy(NULL, homedir);
} else {
#ifdef HAVE_PWD_H
const struct passwd *userdata;
tilde_dir = mallocstrncpy(NULL, buf, i + 1);
tilde_dir[i] = '\0';
tilded = mallocstrncpy(NULL, path, i + 1);
tilded[i] = '\0';
do {
userdata = getpwent();
} while (userdata != NULL &&
strcmp(userdata->pw_name, tilde_dir + 1) != 0);
} while (userdata && strcmp(userdata->pw_name, tilded + 1) != 0);
endpwent();
if (userdata != NULL)
tilde_dir = mallocstrcpy(tilde_dir, userdata->pw_dir);
tilded = mallocstrcpy(tilded, userdata->pw_dir);
#else
tilde_dir = strdup("");
tilded = strdup("");
#endif
}
retval = charalloc(strlen(tilde_dir) + strlen(buf + i) + 1);
sprintf(retval, "%s%s", tilde_dir, buf + i);
retval = charalloc(strlen(tilded) + strlen(path + i) + 1);
sprintf(retval, "%s%s", tilded, path + i);
free(tilde_dir);
free(tilded);
return retval;
}