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LibC: Remove semicolon in definition of FD_ZERO

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This causes problems in code of the form

  if (/* condition */)
    FD_ZERO(&thing);
  else
    do_other_thing();

Wrapping the call to memset() in a do/while block fixes the issue.
This commit is contained in:
Alex O'Brien 2022-03-06 20:50:19 +11:00 • committed by Andreas Kling
parent 7d5d5b387e
commit ad1065e213
1 changed files with 4 additions and 1 deletions
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5
Userland/Libraries/LibC/fd_set.h
View file

@ -7,7 +7,10 @@
#pragma once #pragma once
#define FD_SETSIZE 1024 #define FD_SETSIZE 1024
#define FD_ZERO(set) memset((set), 0, sizeof(fd_set)); #define FD_ZERO(set) \
do { \
memset((set), 0, sizeof(fd_set)); \
} while (0)
#define FD_CLR(fd, set) ((set)->fds_bits[(fd / 8)] &= ~(1 << (fd) % 8)) #define FD_CLR(fd, set) ((set)->fds_bits[(fd / 8)] &= ~(1 << (fd) % 8))
#define FD_SET(fd, set) ((set)->fds_bits[(fd / 8)] |= (1 << (fd) % 8)) #define FD_SET(fd, set) ((set)->fds_bits[(fd / 8)] |= (1 << (fd) % 8))
#define FD_ISSET(fd, set) ((set)->fds_bits[(fd / 8)] & (1 << (fd) % 8)) #define FD_ISSET(fd, set) ((set)->fds_bits[(fd / 8)] & (1 << (fd) % 8))