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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; void *p;
p = malloc(size); p = malloc(size);
if (!p) if (p == NULL)
printerr(1, "malloc"); printerr(1, "malloc");
return p; return p;
} }
void * void *
xrealloc(void *ptr, size_t size) xrealloc(void *p, size_t size)
{ {
ptr = realloc(ptr, size); p = realloc(p, size);
if (!ptr) if (p == NULL)
printerr(1, "realloc"); 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 void
@ -359,9 +381,7 @@ printent(struct entry *ent, int active)
char cm = 0; char cm = 0;
/* Copy name locally */ /* Copy name locally */
name = strdup(ent->name); name = xstrdup(ent->name);
if (name == NULL)
printerr(1, "strdup name");
if (S_ISDIR(ent->mode)) { if (S_ISDIR(ent->mode)) {
cm = '/'; cm = '/';
@ -395,8 +415,8 @@ browse(const char *ipath, const char *ifilter)
struct entry *dents; struct entry *dents;
int i, n, cur; int i, n, cur;
int r, ret; int r, ret;
char *path = realpath(ipath, NULL); char *path = xrealpath(ipath);
char *filter = strdup(ifilter); char *filter = xstrdup(ifilter);
regex_t filter_re; regex_t filter_re;
char *cwd; char *cwd;
struct stat sb; struct stat sb;
@ -432,9 +452,7 @@ begin:
continue; continue;
/* Deep copy because readdir(3) reuses the entries */ /* Deep copy because readdir(3) reuses the entries */
dents = xrealloc(dents, (n + 1) * sizeof(*dents)); dents = xrealloc(dents, (n + 1) * sizeof(*dents));
dents[n].name = strdup(dp->d_name); dents[n].name = xstrdup(dp->d_name);
if (dents[n].name == NULL)
printerr(1, "strdup");
/* Handle root case */ /* Handle root case */
if (strcmp(path, "/") == 0) if (strcmp(path, "/") == 0)
asprintf(&name, "/%s", dents[n].name); asprintf(&name, "/%s", dents[n].name);
@ -528,7 +546,7 @@ nochange:
free(path); free(path);
path = tmp; path = tmp;
free(filter); free(filter);
filter = strdup(ifilter); /* Reset filter */ filter = xstrdup(ifilter); /* Reset filter */
/* Recall history */ /* Recall history */
hist = SLIST_FIRST(&histhead); hist = SLIST_FIRST(&histhead);
if (hist != NULL) { if (hist != NULL) {
@ -577,7 +595,7 @@ nochange:
free(path); free(path);
path = pathnew; path = pathnew;
free(filter); free(filter);
filter = strdup(ifilter); /* Reset filter */ filter = xstrdup(ifilter); /* Reset filter */
/* Save history */ /* Save history */
hist = xmalloc(sizeof(struct history)); hist = xmalloc(sizeof(struct history));
hist->pos = cur; hist->pos = cur;
@ -647,10 +665,10 @@ nochange:
goto nochange; goto nochange;
} else { } else {
free(path); free(path);
path = realpath(tmp, NULL); path = xrealpath(tmp);
free(tmp); free(tmp);
free(filter); free(filter);
filter = strdup(ifilter); /* Reset filter */ filter = xstrdup(ifilter); /* Reset filter */
DPRINTF_S(path); DPRINTF_S(path);
cur = 0; cur = 0;
goto out; goto out;