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Remove support for old realpath() API

The now preferred way to call realpath() is by passing NULL as thesecond argument and get a malloc'ed result. We still supported theold way of providing our own buffer as a second argument, for someplatforms that didn't support the new way yet. Those were onlySolaris less than version 11 and some older AIX versions (7.1 andnewer appear to support the new variant). We don't support thoseplatforms versions anymore, so we can remove this extra code.Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>Discussion:https://www.postgresql.org/message-id/flat/9e638b49-5c3f-470f-a392-2cbedb2f7855%40eisentraut.org

1 parentf0d1127 commit94980c4Copy full SHA for 94980c4

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src/common
- exec.c

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`‎src/common/exec.c`

Lines changed: 0 additions & 19 deletions

Original file line number	Diff line number	Diff line change
`@@ -285,25 +285,6 @@ pg_realpath(const char *fname)`
`285`	`285`
`286`	`286`	`#ifndefWIN32`
`287`	`287`	`path=realpath(fname,NULL);`
`288`		`-if (path==NULL&&errno==EINVAL)`
`289`		`-{`
`290`		`-/*`
`291`		`- * Cope with old-POSIX systems that require a user-provided buffer.`
`292`		`- * Assume MAXPGPATH is enough room on all such systems.`
`293`		`- */`
`294`		`-char*buf=malloc(MAXPGPATH);`
`295`		`-`
`296`		`-if (buf==NULL)`
`297`		`-returnNULL;/* assume errno is set */`
`298`		`-path=realpath(fname,buf);`
`299`		`-if (path==NULL)/* don't leak memory */`
`300`		`-{`
`301`		`-intsave_errno=errno;`
`302`		`-`
`303`		`-free(buf);`
`304`		`-errno=save_errno;`
`305`		`-}`
`306`		`-}`
`307`	`288`	`#else/* WIN32 */`
`308`	`289`
`309`	`290`	`/*`

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Commit94980c4

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1 file changed

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`‎src/common/exec.c`

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