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Add xmalloc() + xrealloc()

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sin 2014-10-22 14:10:04 +01:00
parent 8326a75762
commit 7d4d60e778
1 changed files with 28 additions and 10 deletions
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38
noice.c
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@ -76,6 +76,26 @@ void printmsg(char *msg);
void printwarn(void); void printwarn(void);
void printerr(int ret, char *prefix); 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 void
spawn(const char *file, const char *arg) 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); r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED);
if (r != 0) { if (r != 0) {
errbuf = malloc(COLS * sizeof(char)); errbuf = xmalloc(COLS * sizeof(char));
regerror(r, regex, errbuf, COLS * sizeof(char)); regerror(r, regex, errbuf, COLS * sizeof(char));
printmsg(errbuf); printmsg(errbuf);
free(errbuf); free(errbuf);
@ -288,7 +308,7 @@ readln(void)
getyx(stdscr, y, x); getyx(stdscr, y, x);
if (x >= x0) { if (x >= x0) {
if (i > 0) { if (i > 0) {
ln = realloc(ln, (i - 1) * sizeof(*ln)); ln = xrealloc(ln, (i - 1) * sizeof(*ln));
i--; i--;
} else { } else {
free(ln); free(ln);
@ -302,12 +322,12 @@ readln(void)
} }
continue; continue;
} }
ln = realloc(ln, (i + 1) * sizeof(*ln)); ln = xrealloc(ln, (i + 1) * sizeof(*ln));
ln[i] = c; ln[i] = c;
i++; i++;
} }
if (ln != NULL) { if (ln != NULL) {
ln = realloc(ln, (i + 1) * sizeof(*ln)); ln = xrealloc(ln, (i + 1) * sizeof(*ln));
ln[i] = '\0'; ln[i] = '\0';
} }
@ -411,9 +431,7 @@ begin:
if (!visible(&filter_re, dp->d_name)) if (!visible(&filter_re, dp->d_name))
continue; continue;
/* Deep copy because readdir(3) reuses the entries */ /* Deep copy because readdir(3) reuses the entries */
dents = realloc(dents, (n + 1) * sizeof(*dents)); dents = xrealloc(dents, (n + 1) * sizeof(*dents));
if (dents == NULL)
printerr(1, "realloc");
dents[n].name = strdup(dp->d_name); dents[n].name = strdup(dp->d_name);
if (dents[n].name == NULL) if (dents[n].name == NULL)
printerr(1, "strdup"); printerr(1, "strdup");
@ -466,7 +484,7 @@ redraw:
DPRINTF_S(path); DPRINTF_S(path);
/* No text wrapping in cwd line */ /* No text wrapping in cwd line */
cwd = malloc(COLS * sizeof(char)); cwd = xmalloc(COLS * sizeof(char));
strlcpy(cwd, path, COLS * sizeof(char)); strlcpy(cwd, path, COLS * sizeof(char));
cwd[COLS - strlen(CWD) - 1] = '\0'; cwd[COLS - strlen(CWD) - 1] = '\0';
@ -505,7 +523,7 @@ nochange:
goto nochange; goto nochange;
} else { } else {
dir = dirname(path); dir = dirname(path);
tmp = malloc(strlen(dir) + 1); tmp = xmalloc(strlen(dir) + 1);
strlcpy(tmp, dir, strlen(dir) + 1); strlcpy(tmp, dir, strlen(dir) + 1);
free(path); free(path);
path = tmp; path = tmp;
@ -561,7 +579,7 @@ nochange:
free(filter); free(filter);
filter = strdup(ifilter); /* Reset filter */ filter = strdup(ifilter); /* Reset filter */
/* Save history */ /* Save history */
hist = malloc(sizeof(struct history)); hist = xmalloc(sizeof(struct history));
hist->pos = cur; hist->pos = cur;
SLIST_INSERT_HEAD(&histhead, hist, entry); SLIST_INSERT_HEAD(&histhead, hist, entry);
cur = 0; cur = 0;