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add, then use, xvasprintf, checking for appropriate return.

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This commit is contained in:
okan 2020-01-22 19:58:35 +00:00
parent 2fc191f978
commit 83de84b7f8
3 changed files with 16 additions and 8 deletions
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2
calmwm.h
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@ -598,5 +598,7 @@ char *xstrdup(const char *);
int xasprintf(char **, const char *, ...)
__attribute__((__format__ (printf, 2, 3)))
__attribute__((__nonnull__ (2)));
int xvasprintf(char **, const char *, va_list)
__attribute__((__nonnull__ (2)));
#endif /* _CALMWM_H_ */

5
screen.c
View File

@ -275,15 +275,12 @@ void
screen_prop_win_draw(struct screen_ctx *sc, const char *fmt, ...)
{
va_list ap;
int i;
char *text;
XGlyphInfo extents;
va_start(ap, fmt);
i = vasprintf(&text, fmt, ap);
xvasprintf(&text, fmt, ap);
va_end(ap);
if (i < 0 || text == NULL)
err(1, "vasprintf");
XftTextExtentsUtf8(X_Dpy, sc->xftfont, (const FcChar8*)text,
strlen(text), &extents);

17
xmalloc.c
View File

@ -91,11 +91,20 @@ xasprintf(char **ret, const char *fmt, ...)
int i;
va_start(ap, fmt);
i = vasprintf(ret, fmt, ap);
i = xvasprintf(ret, fmt, ap);
va_end(ap);
if (i < 0 || *ret == NULL)
err(1, "asprintf");
return(i);
}
int
xvasprintf(char **ret, const char *fmt, va_list ap)
{
int i;
i = vasprintf(ret, fmt, ap);
if (i == -1)
err(1, "vasprintf");
return(i);
}