Add xmalloc() + xrealloc()

This commit is contained in:
sin 2014-10-22 14:10:04 +01:00
parent 8326a75762
commit 7d4d60e778

38
noice.c
View file

@ -76,6 +76,26 @@ void printmsg(char *msg);
void printwarn(void);
void printerr(int ret, char *prefix);
void *
xmalloc(size_t size)
{
void *p;
p = malloc(size);
if (!p)
printerr(1, "malloc");
return p;
}
void *
xrealloc(void *ptr, size_t size)
{
ptr = realloc(ptr, size);
if (!ptr)
printerr(1, "realloc");
return ptr;
}
void
spawn(const char *file, const char *arg)
{
@ -123,7 +143,7 @@ setfilter(regex_t *regex, char *filter)
r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED);
if (r != 0) {
errbuf = malloc(COLS * sizeof(char));
errbuf = xmalloc(COLS * sizeof(char));
regerror(r, regex, errbuf, COLS * sizeof(char));
printmsg(errbuf);
free(errbuf);
@ -288,7 +308,7 @@ readln(void)
getyx(stdscr, y, x);
if (x >= x0) {
if (i > 0) {
ln = realloc(ln, (i - 1) * sizeof(*ln));
ln = xrealloc(ln, (i - 1) * sizeof(*ln));
i--;
} else {
free(ln);
@ -302,12 +322,12 @@ readln(void)
}
continue;
}
ln = realloc(ln, (i + 1) * sizeof(*ln));
ln = xrealloc(ln, (i + 1) * sizeof(*ln));
ln[i] = c;
i++;
}
if (ln != NULL) {
ln = realloc(ln, (i + 1) * sizeof(*ln));
ln = xrealloc(ln, (i + 1) * sizeof(*ln));
ln[i] = '\0';
}
@ -411,9 +431,7 @@ begin:
if (!visible(&filter_re, dp->d_name))
continue;
/* Deep copy because readdir(3) reuses the entries */
dents = realloc(dents, (n + 1) * sizeof(*dents));
if (dents == NULL)
printerr(1, "realloc");
dents = xrealloc(dents, (n + 1) * sizeof(*dents));
dents[n].name = strdup(dp->d_name);
if (dents[n].name == NULL)
printerr(1, "strdup");
@ -466,7 +484,7 @@ redraw:
DPRINTF_S(path);
/* No text wrapping in cwd line */
cwd = malloc(COLS * sizeof(char));
cwd = xmalloc(COLS * sizeof(char));
strlcpy(cwd, path, COLS * sizeof(char));
cwd[COLS - strlen(CWD) - 1] = '\0';
@ -505,7 +523,7 @@ nochange:
goto nochange;
} else {
dir = dirname(path);
tmp = malloc(strlen(dir) + 1);
tmp = xmalloc(strlen(dir) + 1);
strlcpy(tmp, dir, strlen(dir) + 1);
free(path);
path = tmp;
@ -561,7 +579,7 @@ nochange:
free(filter);
filter = strdup(ifilter); /* Reset filter */
/* Save history */
hist = malloc(sizeof(struct history));
hist = xmalloc(sizeof(struct history));
hist->pos = cur;
SLIST_INSERT_HEAD(&histhead, hist, entry);
cur = 0;