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tweaks: rename a parameter and a variable, to be more meaningful

master
Benno Schulenberg 2020-07-14 17:29:13 +02:00
parent b0f563980d
commit 5f90e067f1
1 changed files with 28 additions and 29 deletions
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57
src/files.c
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@ -2426,8 +2426,8 @@ bool is_dir(const char *path)
return retval;
}
/* Try to complete the given fragment in 'buf' to a username. */
char **username_completion(const char *buf, size_t length, size_t *num_matches)
/* Try to complete the given fragment of given length to a username. */
char **username_completion(const char *morsel, size_t length, size_t *num_matches)
{
char **matches = NULL;
#ifdef HAVE_PWD_H
@ -2436,7 +2436,7 @@ char **username_completion(const char *buf, size_t length, size_t *num_matches)
/* Iterate through the entries in the passwd file, and
* add each fitting username to the list of matches. */
while ((userdata = getpwent()) != NULL) {
if (strncmp(userdata->pw_name, buf + 1, length - 1) == 0) {
if (strncmp(userdata->pw_name, morsel + 1, length - 1) == 0) {
#ifdef ENABLE_OPERATINGDIR
/* Skip directories that are outside of the allowed area. */
if (outside_of_confinement(userdata->pw_dir, TRUE))
@ -2469,10 +2469,10 @@ char **username_completion(const char *buf, size_t length, size_t *num_matches)
* This code is 'as is' with no warranty.
* This code may safely be consumed by a BSD or GPL license. */
/* Try to complete the given fragment in 'buf' to a filename. */
char **filename_completion(const char *buf, size_t length, size_t *num_matches)
/* Try to complete the given fragment of given length to a filename. */
char **filename_completion(const char *morsel, size_t length, size_t *num_matches)
{
char *dirname = copy_of(buf);
char *dirname = copy_of(morsel);
char *slash, *filename;
size_t filenamelen;
char *fullname = NULL;
@ -2545,26 +2545,25 @@ char **filename_completion(const char *buf, size_t length, size_t *num_matches)
/* Do tab completion. 'place' is the position of the status-bar cursor, and
* 'refresh_func' is the function to be called to refresh the edit window. */
char *input_tab(char *buf, size_t *place, void (*refresh_func)(void), bool *listed)
char *input_tab(char *morsel, size_t *place, void (*refresh_func)(void), bool *listed)
{
size_t num_matches = 0;
char **matches = NULL;
/* If the cursor is not at the end of the fragment, do nothing. */
if (buf[*place] != '\0') {
if (morsel[*place] != '\0') {
beep();
return buf;
return morsel;
}
/* If the fragment starts with a tilde and contains no slash,
* then try completing it as a username. */
if (buf[0] == '~' && strchr(buf, '/') == NULL)
matches = username_completion(buf, *place, &num_matches);
if (morsel[0] == '~' && strchr(morsel, '/') == NULL)
matches = username_completion(morsel, *place, &num_matches);
/* If there are no matches yet, try matching against filenames
* in the current directory. */
/* If there are no matches yet, try matching against filenames. */
if (matches == NULL)
matches = filename_completion(buf, *place, &num_matches);
matches = filename_completion(morsel, *place, &num_matches);
/* If possible completions were listed before but none will be listed now... */
if (*listed && num_matches < 2) {
@ -2574,13 +2573,13 @@ char *input_tab(char *buf, size_t *place, void (*refresh_func)(void), bool *list
if (matches == NULL) {
beep();
return buf;
return morsel;
}
const char *lastslash = revstrstr(buf, "/", buf + *place);
size_t length_of_path = (lastslash == NULL) ? 0 : lastslash - buf + 1;
const char *lastslash = revstrstr(morsel, "/", morsel + *place);
size_t length_of_path = (lastslash == NULL) ? 0 : lastslash - morsel + 1;
size_t match, common_len = 0;
char *mzero, *glued;
char *shared, *glued;
char char1[MAXCHARLEN], char2[MAXCHARLEN];
int len1, len2;
@ -2601,25 +2600,25 @@ char *input_tab(char *buf, size_t *place, void (*refresh_func)(void), bool *list
common_len += len1;
}
mzero = charalloc(length_of_path + common_len + 1);
shared = charalloc(length_of_path + common_len + 1);
strncpy(mzero, buf, length_of_path);
strncpy(mzero + length_of_path, matches[0], common_len);
strncpy(shared, morsel, length_of_path);
strncpy(shared + length_of_path, matches[0], common_len);
common_len += length_of_path;
mzero[common_len] = '\0';
shared[common_len] = '\0';
/* Cover also the case of the user specifying a relative path. */
glued = charalloc(strlen(present_path) + common_len + 1);
sprintf(glued, "%s%s", present_path, mzero);
sprintf(glued, "%s%s", present_path, shared);
if (num_matches == 1 && (is_dir(mzero) || is_dir(glued)))
mzero[common_len++] = '/';
if (num_matches == 1 && (is_dir(shared) || is_dir(glued)))
shared[common_len++] = '/';
/* If the matches have something in common, copy that part. */
if (common_len != *place) {
buf = charealloc(buf, common_len + 1);
strcpy(buf, mzero);
morsel = charealloc(morsel, common_len + 1);
strcpy(morsel, shared);
*place = common_len;
} else if (num_matches == 1)
beep();
@ -2683,8 +2682,8 @@ char *input_tab(char *buf, size_t *place, void (*refresh_func)(void), bool *list
free_chararray(matches, num_matches);
free(glued);
free(mzero);
free(shared);
return buf;
return morsel;
}
#endif /* ENABLE_TABCOMP */