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Nuke NEW, DISPOSE, RENEW, and COPYFROMTO macros, by Johan Danielsson

Browse Source 
This is a manual merge of 98c988dd10888cfb72c4 from http://github.com/heimdal/heimdal
This commit is contained in:
Joachim Nilsson 2010-07-23 11:01:51 +02:00
parent 64219dc1f0
commit 511a1a65a4
3 changed files with 102 additions and 73 deletions
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56
src/complete.c
View File

@ -27,12 +27,14 @@
/* Return an allocated copy of a string. */
char *strdup(const char *p)
{
char *new;
if ((new = NEW(char, strlen(p) + 1)) != NULL)
(void)strcpy(new, p);
char *new = malloc(sizeof(char) * strlen(p));
if (new) {
strcpy(new, p);
return new;
}
return NULL;
}
#endif
@ -77,25 +79,26 @@ static int FindMatches(char *dir, char *file, char ***avp)
choices++;
if ((total += strlen(p)) > MAX_TOTAL_MATCHES) {
/* This is a bit too much. */
while (ac > 0) DISPOSE(av[--ac]);
while (ac > 0) free(av[--ac]);
continue;
}
if ((ac % MEM_INC) == 0) {
if ((new = NEW(char*, ac + MEM_INC)) == NULL) {
new = malloc(sizeof(char *) * (ac + MEM_INC));
if (!new) {
total = 0;
break;
}
if (ac) {
COPYFROMTO(new, av, ac * sizeof (char **));
DISPOSE(av);
memcpy(new, av, ac * sizeof(char **));
free(av);
}
*avp = av = new;
}
if ((av[ac] = strdup(p)) == NULL) {
if (ac == 0)
DISPOSE(av);
free(av);
total = 0;
break;
}
@ -134,7 +137,7 @@ static int SplitPath(char *path, char **dirpart, char **filepart)
if ((dpart = strdup(DOT)) == NULL)
return -1;
if ((fpart = strdup(path)) == NULL) {
DISPOSE(dpart);
free(dpart);
return -1;
}
}
@ -143,7 +146,7 @@ static int SplitPath(char *path, char **dirpart, char **filepart)
return -1;
dpart[fpart - path + 1] = '\0';
if ((fpart = strdup(++fpart)) == NULL) {
DISPOSE(dpart);
free(dpart);
return -1;
}
}
@ -172,8 +175,8 @@ char *default_rl_complete(char *pathname, int *unique)
return NULL;
if ((ac = FindMatches(dir, file, &av)) == 0) {
DISPOSE(dir);
DISPOSE(file);
free(dir);
free(file);
return NULL;
}
@ -184,13 +187,15 @@ char *default_rl_complete(char *pathname, int *unique)
/* Exactly one match -- finish it off. */
*unique = 1;
j = strlen(av[0]) - len + 2;
if ((p = NEW(char, j + 1)) != NULL) {
COPYFROMTO(p, av[0] + len, j);
p = malloc(sizeof(char) * (j + 1));
if (p) {
memcpy(p, av[0] + len, j);
len = strlen(dir) + strlen(av[0]) + 2;
if ((new = NEW(char, len)) != NULL) {
new = malloc(sizeof(char) * len);
if (new) {
snprintf(new, len, "%s/%s", dir, av[0]);
rl_add_slash(new, p);
DISPOSE(new);
free(new);
}
}
}
@ -205,8 +210,9 @@ char *default_rl_complete(char *pathname, int *unique)
breakout:
if (i > len) {
j = i - len + 1;
if ((p = NEW(char, j)) != NULL) {
COPYFROMTO(p, av[0] + len, j);
p = malloc(sizeof(char) * j);
if (p) {
memcpy(p, av[0] + len, j);
p[j - 1] = '\0';
}
}
@ -214,11 +220,11 @@ char *default_rl_complete(char *pathname, int *unique)
}
/* Clean up and return. */
DISPOSE(dir);
DISPOSE(file);
free(dir);
free(file);
for (i = 0; i < ac; i++)
DISPOSE(av[i]);
DISPOSE(av);
free(av[i]);
free(av);
return p;
}
@ -234,8 +240,8 @@ int default_rl_list_possib(char *pathname, char ***avp)
return 0;
ac = FindMatches(dir, file, avp);
DISPOSE(dir);
DISPOSE(file);
free(dir);
free(file);
return ac;
}

112
src/editline.c
View File

@ -70,7 +70,7 @@ typedef struct {
typedef struct {
int Size;
int Pos;
const char *Lines[HIST_SIZE];
char *Lines[HIST_SIZE];
} el_hist_t;
/*
@ -85,7 +85,7 @@ int rl_quit;
int rl_susp;
#endif
static const char NIL[] = "";
static char NIL[] = "";
static const char *Input = NIL;
static const char *Prompt;
static char *Yanked;
@ -145,7 +145,7 @@ static void tty_put(const char c)
Screen[ScreenCount] = c;
if (++ScreenCount >= ScreenSize - 1) {
ScreenSize += SCREEN_INC;
RENEW(Screen, char, ScreenSize);
Screen = realloc(Screen, sizeof(char) * ScreenSize);
}
}
@ -454,11 +454,12 @@ static el_status_t insert_string(const char *p)
len = strlen((char *)p);
if (rl_end + len >= Length) {
if ((new = NEW(char, Length + len + MEM_INC)) == NULL)
new = malloc(sizeof(char) * (Length + len + MEM_INC));
if (!new)
return CSstay;
if (Length) {
COPYFROMTO(new, rl_line_buffer, Length);
DISPOSE(rl_line_buffer);
memcpy(new, rl_line_buffer, Length);
free(rl_line_buffer);
}
rl_line_buffer = new;
Length += len + MEM_INC;
@ -466,7 +467,7 @@ static el_status_t insert_string(const char *p)
for (q = &rl_line_buffer[rl_point], i = rl_end - rl_point; --i >= 0; )
q[len + i] = q[i];
COPYFROMTO(&rl_line_buffer[rl_point], p, len);
memcpy(&rl_line_buffer[rl_point], p, len);
rl_end += len;
rl_line_buffer[rl_end] = '\0';
tty_string(&rl_line_buffer[rl_point]);
@ -570,7 +571,7 @@ static const char *search_hist(const char *search, const char *(*move)(void))
/* Save or get remembered search pattern. */
if (search && *search) {
if (old_search)
DISPOSE(old_search);
free(old_search);
old_search = (char *)strdup((char *)search);
}
else {
@ -594,6 +595,7 @@ static const char *search_hist(const char *search, const char *(*move)(void))
if ((*match)((char *)H.Lines[H.Pos], pat, len) == 0)
return H.Lines[H.Pos];
H.Pos = pos;
return NULL;
}
@ -647,15 +649,16 @@ static el_status_t fd_char(void)
static void save_yank(int begin, int i)
{
if (Yanked) {
DISPOSE(Yanked);
free(Yanked);
Yanked = NULL;
}
if (i < 1)
return;
if ((Yanked = NEW(char, (SIZE_T)i + 1)) != NULL) {
COPYFROMTO(Yanked, &rl_line_buffer[begin], i);
Yanked = malloc(sizeof(char) * (i + 1));
if (Yanked) {
memcpy(Yanked, &rl_line_buffer[begin], i);
Yanked[i] = '\0';
}
}
@ -768,14 +771,17 @@ static el_status_t insert_char(int c)
return insert_string(buff);
}
if ((p = NEW(char, Repeat + 1)) == NULL)
p = malloc(sizeof(char) * (Repeat + 1));
if (!p)
return CSstay;
for (i = Repeat, q = p; --i >= 0; )
*q++ = c;
*q = '\0';
Repeat = 0;
s = insert_string(p);
DISPOSE(p);
free(p);
return s;
}
@ -950,7 +956,7 @@ static char *editinput(void)
return NULL;
}
static void hist_add(const char *p)
static void hist_add(char *p)
{
int i;
@ -959,7 +965,7 @@ static void hist_add(const char *p)
if (H.Size < HIST_SIZE)
H.Lines[H.Size++] = p;
else {
DISPOSE(H.Lines[0]);
free(H.Lines[0]);
for (i = 0; i < HIST_SIZE - 1; i++)
H.Lines[i] = H.Lines[i + 1];
H.Lines[i] = p;
@ -974,14 +980,19 @@ static char *read_redirected(void)
char *line;
char *end;
p = line = NEW(char, size);
p = line = malloc(sizeof(char) * size);
if (!p)
return NULL;
end = p + size;
while (1) {
if (p == end) {
int oldpos = end - line;
size += MEM_INC;
p = RENEW(line, char, size);
p = line = realloc(line, sizeof(char) * size);
if (!p)
return NULL;
end = p + size;
p += oldpos; /* Continue where we left off... */
@ -996,6 +1007,7 @@ static char *read_redirected(void)
p++;
}
*p = '\0';
return line;
}
@ -1035,9 +1047,10 @@ char *readline(const char *prompt)
return read_redirected();
}
if (rl_line_buffer == NULL) {
if (!rl_line_buffer) {
Length = MEM_INC;
if ((rl_line_buffer = NEW(char, Length)) == NULL)
rl_line_buffer = malloc(sizeof(char) * Length);
if (!rl_line_buffer)
return NULL;
}
@ -1045,7 +1058,10 @@ char *readline(const char *prompt)
rl_ttyset(0);
hist_add(NIL);
ScreenSize = SCREEN_INC;
Screen = NEW(char, ScreenSize);
Screen = malloc(sizeof(char) * ScreenSize);
if (!Screen)
return NULL;
Prompt = prompt ? prompt : NIL;
tty_puts(Prompt);
if ((line = editinput()) != NULL) {
@ -1054,14 +1070,14 @@ char *readline(const char *prompt)
tty_flush();
}
rl_ttyset(1);
DISPOSE(Screen);
DISPOSE(H.Lines[--H.Size]);
free(Screen);
free(H.Lines[--H.Size]);
if (line != NULL && *line != '\0'
#ifdef CONFIG_UNIQUE_HISTORY
&& !(H.Pos && strcmp((char *) line, (char *) H.Lines[H.Pos - 1]) == 0)
&& !(H.Pos && strcmp(line, H.Lines[H.Pos - 1]) == 0)
#endif
&& !(H.Size && strcmp((char *) line, (char *) H.Lines[H.Size - 1]) == 0)
&& !(H.Size && strcmp(line, H.Lines[H.Size - 1]) == 0)
) {
hist_add(line);
}
@ -1071,7 +1087,8 @@ char *readline(const char *prompt)
Signal = 0;
kill(getpid(), s);
}
return (char *)line;
return line;
}
void add_history(char *p __attribute__ ((unused)))
@ -1113,17 +1130,22 @@ static char *find_word(void)
}
}
}
len = rl_point - (p - rl_line_buffer) + 1;
if ((new = NEW(char, len)) == NULL)
new = malloc(sizeof(char) * len);
if (!new)
return NULL;
q = new;
while (p < &rl_line_buffer[rl_point]) {
if (*p == '\\') {
if (++p == &rl_line_buffer[rl_point]) break;
if (++p == &rl_line_buffer[rl_point])
break;
}
*q++ = *p++;
}
*q = '\0';
return new;
}
@ -1140,12 +1162,13 @@ static el_status_t c_possible(void)
word = find_word();
ac = rl_list_possib((char *)word, (char ***)&av);
if (word)
DISPOSE(word);
free(word);
if (ac) {
columns(ac, av);
while (--ac >= 0)
DISPOSE(av[ac]);
DISPOSE(av);
free(av[ac]);
free(av);
return CSmove;
}
return ring_bell();
@ -1166,11 +1189,13 @@ static el_status_t c_complete(void)
word = find_word();
p = (char *)rl_complete((char *)word, &unique);
if (word)
DISPOSE(word);
free(word);
if (p) {
len = strlen((char *)p);
word = p;
new = q = NEW(char, 2 * len + 1);
new = q = malloc(sizeof(char) * (2 * len + 1));
if (!new)
return CSstay;
while (*p) {
if ((*p < ' ' || strchr(SEPS, (char) *p) != NULL)
&& (!unique || p[1] != 0)) {
@ -1179,7 +1204,7 @@ static el_status_t c_complete(void)
*q++ = *p++;
}
*q = '\0';
DISPOSE(word);
free(word);
if (len > 0) {
s = insert_string(new);
#ifdef CONFIG_ANNOYING_NOISE
@ -1187,8 +1212,9 @@ static el_status_t c_complete(void)
ring_bell();
#endif
}
DISPOSE(new);
if (len > 0) return s;
free(new);
if (len > 0)
return s;
}
return c_possible();
}
@ -1352,7 +1378,8 @@ static int argify(char *line, char ***avp)
int i;
i = MEM_INC;
if ((*avp = p = NEW(char *, i))== NULL)
*avp = p = malloc(sizeof(char *) * i);
if (!p)
return 0;
for (c = line; isspace(*c); c++)
@ -1365,14 +1392,14 @@ static int argify(char *line, char ***avp)
*c++ = '\0';
if (*c && *c != '\n') {
if (ac + 1 == i) {
new = NEW(char *, i + MEM_INC);
if (new == NULL) {
new = malloc(sizeof(char *) * (i + MEM_INC));
if (!new) {
p[ac] = NULL;
return ac;
}
COPYFROMTO(new, p, i * sizeof (char **));
memcpy(new, p, i * sizeof(char **));
i += MEM_INC;
DISPOSE(p);
free(p);
*avp = p = new;
}
p[ac++] = c;
@ -1406,8 +1433,9 @@ static el_status_t last_argument(void)
s = ac ? insert_string(av[ac - 1]) : CSstay;
if (ac)
DISPOSE(av);
DISPOSE(p);
free(av);
free(p);
return s;
}

5
src/editline.h
View File

@ -62,11 +62,6 @@ typedef unsigned char CHAR;
#define MEM_INC 64
#define SCREEN_INC 256
#define DISPOSE(p) free((char *)(p))
#define NEW(T, c) ((T *)malloc((unsigned int)(sizeof (T) * (c))))
#define RENEW(p, T, c) (p = (T *)realloc((char *)(p), (unsigned int)(sizeof (T) * (c))))
#define COPYFROMTO(new, p, len) (void)memcpy((char *)(new), (char *)(p), (int)(len))
/*
** Variables and routines internal to this package.
*/