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add xasprintf() for upcoming changes.

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This commit is contained in:
okan
2012-11-28 14:32:44 +00:00
parent 2b9d921eda
commit 3e151f8c76
2 changed files with 19 additions and 0 deletions
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3
calmwm.h
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@@ -492,6 +492,9 @@ void u_spawn(char *);
void *xcalloc(size_t, size_t); void *xcalloc(size_t, size_t);
void *xmalloc(size_t); void *xmalloc(size_t);
char *xstrdup(const char *); char *xstrdup(const char *);
int xasprintf(char **, const char *, ...)
__attribute__((__format__ (printf, 2, 3)))
__attribute__((__nonnull__ (2)));
/* Externs */ /* Externs */
extern Display *X_Dpy; extern Display *X_Dpy;

16
xmalloc.c
View File

@@ -69,3 +69,19 @@ xstrdup(const char *str)
return (p); return (p);
} }
int
xasprintf(char **ret, const char *fmt, ...)
{
va_list ap;
int i;
va_start(ap, fmt);
i = vasprintf(ret, fmt, ap);
va_end(ap);
if (i < 0 || *ret == NULL)
err(1, "asprintf");
return (i);
}