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curl_setup: provide the shutdown flags wider

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By using #ifdef on the symbol names to work on anything that don't
provide them. SCO OpenServer 5.0.7, sys/socket.h does not define either
SHUT_RDWR, SHUT_RD, and SHUT_WR.

Reported-by: Kevin R. Bulgrien
Bug: https://curl.se/mail/lib-2021-04/0073.html
Closes #6925
This commit is contained in:
Daniel Stenberg 2021-04-20 09:21:09 +02:00
parent 355aae5b7f
commit 0594c00621
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1 changed files with 11 additions and 5 deletions
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16
lib/curl_setup.h
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@ -715,13 +715,19 @@ int netware_init(void);
#endif
/*
* Portable symbolic names for Winsock shutdown() mode flags.
* shutdown() flags for systems that don't define them
*/
#ifdef USE_WINSOCK
# define SHUT_RD 0x00
# define SHUT_WR 0x01
# define SHUT_RDWR 0x02
#ifndef SHUT_RD
#define SHUT_RD 0x00
#endif
#ifndef SHUT_WR
#define SHUT_WR 0x01
#endif
#ifndef SHUT_RDWR
#define SHUT_RDWR 0x02
#endif
/* Define S_ISREG if not defined by system headers, f.e. MSVC */