if cc.has_header_symbol('string.h', 'strndup', prefix: system_ext_define)
configh_data.set('HAVE_STRNDUP', 1)
endif
+if cc.has_header_symbol('stdio.h', 'asprintf', prefix: system_ext_define)
+ configh_data.set('HAVE_ASPRINTF', 1)
+elif cc.has_header_symbol('stdio.h', 'vasprintf', prefix: system_ext_define)
+ configh_data.set('HAVE_VASPRINTF', 1)
+endif
if cc.has_header_symbol('stdlib.h', 'secure_getenv', prefix: system_ext_define)
configh_data.set('HAVE_SECURE_GETENV', 1)
elif cc.has_header_symbol('stdlib.h', '__secure_getenv', prefix: system_ext_define)
}
return 0;
}
+
+#if !(defined(HAVE_ASPRINTF) && HAVE_ASPRINTF)
+int
+asprintf(char **strp, const char *fmt, ...)
+{
+ int ret;
+ va_list ap;
+ va_start(ap, fmt);
+ ret = vasprintf(strp, fmt, ap);
+ va_end(ap);
+ return ret;
+}
+
+# if !(defined(HAVE_VASPRINTF) && HAVE_VASPRINTF)
+int
+vasprintf(char **strp, const char *fmt, va_list ap)
+{
+ int ret;
+ char *buf;
+ va_list ap_copy;
+
+ /*
+ * The value of the va_list parameter is undefined after the call to
+ * vsnprintf() returns: pass a copy to make sure "ap" remains valid.
+ */
+ va_copy(ap_copy, ap);
+ ret = vsnprintf(NULL, 0, fmt, ap_copy);
+ va_end(ap_copy);
+
+ if (ret < 0)
+ return ret;
+
+ if (!(buf = malloc(ret + 1)))
+ return -1;
+
+ if ((ret = vsnprintf(buf, ret + 1, fmt, ap)) < 0) {
+ free(buf);
+ return ret;
+ }
+
+ *strp = buf;
+ return ret;
+}
+# endif /* !HAVE_VASPRINTF */
+#endif /* !HAVE_ASPRINTF */
#define ATTR_PACKED
#endif
+#if !(defined(HAVE_ASPRINTF) && HAVE_ASPRINTF)
+int asprintf(char **strp, const char *fmt, ...) ATTR_PRINTF(2, 3);
+# if !(defined(HAVE_VASPRINTF) && HAVE_VASPRINTF)
+# include <stdarg.h>
+int vasprintf(char **strp, const char *fmt, va_list ap);
+# endif /* !HAVE_VASPRINTF */
+#endif /* !HAVE_ASPRINTF */
+
#endif /* UTILS_H */