warning: assignment discards 'const' qualifier from pointer target type 这通常发生在将一个指向常量的指针赋值给一个非const指针时。例如: c const int a = 10; const int *p = &a; int *q = p; // 这里会引发警告 在这个例子中,p是一个指向常量的指针,指向a。尝试将p赋值给q(一个非cons...
initialization discards 'const' qualifier from pointer target type -[Werror=discarded-qualifiers] 小方 对自我期望太高总是容易挫败,感受痛苦。 来自专栏 · Linux-BMC 使用不同编译器编译,gcc 7.3.0 gcc 9.4.0无此错误,gcc 11.3.0报此错误。 drivers/i3c/master.c的reg_write_store函数中 char *p = &...
warning:assignment discards 'const' qualifier from pointer target type 查看调用的函数源码发现其定义为 constfloat*external_library_function(...) 这种情况说明该函数返回的是一个指向常量或变量的指针,修改十分容易,只需要将 "fr" 的定义改为 const float, constfloatfr = external_library_function(...) 问...
In function ‘cs_8409_apple_boot_init’: /var/lib/dkms/snd-hda-macbookpro/0.1/build/build/hda/patch_cirrus_apple.h:1193:15: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] 1193 | hinfo = spec->gen.stream_analog_playback; | ^ At main....
‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers] oct. 31 15:05:43 pc-venitron varnishd[14291]: ttl = VRT_GetHdr(ctx, &hdr); oct. 31 15:05:43 pc-venitron varnishd[14291]: ^ oct. 31 15:05:43 pc-venitron varnishd[14291]: cc1: all warnings being treated...
-Werror,编译出现如下错误: src/wtk/exam/wtk_ndx.c:154:6: error: passing argument 3 of ‘wtk_hlv_rec_init’ discards ‘const’ qualifier from pointer target type [-Werror] ret = wtk_hlv_rec_init(&(nd->rec_hd), &(cfg->rec_hd), nd->hmmset, 0.02f); ...
I agree that, right now, it looks very helpful to be able to tell the compiler about both the pointer and the target address of the pointer. Also it looks unlikely that more general compilation, link and load models will make ths go away (right now, everything is inline, which should ...
避免GCC编译器警告“return discards 'const' qualifier from pointer target type”我应该如何按照良好的...
(new ones prefixed by >>): > > drivers/input/evdev.c: In function 'bits_from_user': > >> drivers/input/evdev.c:719:7: warning: passing argument 1 of > >> 'copy_from_user' discards 'const' qualifier from pointer target type > if (copy_from_user(p, bits, len)) > ^ > In...
..\libraries\U8g2_Arduino-master\src\clib\mui_u8g2.c:638:13: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] char *s = "999"; ^~~~ Sample code //My dice from here https://www.instructables.com/id/Arduino-Oled-Dice/ #...