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Add xstrdup() and xrealpath()

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This commit is contained in:
sin 2014-10-22 14:15:27 +01:00
parent 7d4d60e778
commit 9d25101ad9
1 changed files with 35 additions and 17 deletions
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52
noice.c
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@ -82,18 +82,40 @@ xmalloc(size_t size)
void *p;
p = malloc(size);
if (!p)
if (p == NULL)
printerr(1, "malloc");
return p;
}
void *
xrealloc(void *ptr, size_t size)
xrealloc(void *p, size_t size)
{
ptr = realloc(ptr, size);
if (!ptr)
p = realloc(p, size);
if (p == NULL)
printerr(1, "realloc");
return ptr;
return p;
}
char *
xstrdup(const char *s)
{
char *p;
p = strdup(s);
if (p == NULL)
printerr(1, "strdup");
return p;
}
char *
xrealpath(const char *pathname)
{
char *p;
p = realpath(pathname, NULL);
if (p == NULL)
printerr(1, "realpath");
return p;
}
void
@ -359,9 +381,7 @@ printent(struct entry *ent, int active)
char cm = 0;
/* Copy name locally */
name = strdup(ent->name);
if (name == NULL)
printerr(1, "strdup name");
name = xstrdup(ent->name);
if (S_ISDIR(ent->mode)) {
cm = '/';
@ -395,8 +415,8 @@ browse(const char *ipath, const char *ifilter)
struct entry *dents;
int i, n, cur;
int r, ret;
char *path = realpath(ipath, NULL);
char *filter = strdup(ifilter);
char *path = xrealpath(ipath);
char *filter = xstrdup(ifilter);
regex_t filter_re;
char *cwd;
struct stat sb;
@ -432,9 +452,7 @@ begin:
continue;
/* Deep copy because readdir(3) reuses the entries */
dents = xrealloc(dents, (n + 1) * sizeof(*dents));
dents[n].name = strdup(dp->d_name);
if (dents[n].name == NULL)
printerr(1, "strdup");
dents[n].name = xstrdup(dp->d_name);
/* Handle root case */
if (strcmp(path, "/") == 0)
asprintf(&name, "/%s", dents[n].name);
@ -528,7 +546,7 @@ nochange:
free(path);
path = tmp;
free(filter);
filter = strdup(ifilter); /* Reset filter */
filter = xstrdup(ifilter); /* Reset filter */
/* Recall history */
hist = SLIST_FIRST(&histhead);
if (hist != NULL) {
@ -577,7 +595,7 @@ nochange:
free(path);
path = pathnew;
free(filter);
filter = strdup(ifilter); /* Reset filter */
filter = xstrdup(ifilter); /* Reset filter */
/* Save history */
hist = xmalloc(sizeof(struct history));
hist->pos = cur;
@ -647,10 +665,10 @@ nochange:
goto nochange;
} else {
free(path);
path = realpath(tmp, NULL);
path = xrealpath(tmp);
free(tmp);
free(filter);
filter = strdup(ifilter); /* Reset filter */
filter = xstrdup(ifilter); /* Reset filter */
DPRINTF_S(path);
cur = 0;
goto out;