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Pgindent run for 8.0.

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This commit is contained in:
Bruce Momjian
2004-08-29 05:07:03 +00:00
parent 90cb9c3051
commit b6b71b85bc
527 changed files with 20550 additions and 18283 deletions
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27
src/port/unsetenv.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/unsetenv.c,v 1.2 2004/08/29 04:13:12 momjian Exp $
* $PostgreSQL: pgsql/src/port/unsetenv.c,v 1.3 2004/08/29 05:07:02 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -19,22 +19,23 @@
void
unsetenv(const char *name)
{
char *envstr;
char *envstr;
if (getenv(name) == NULL)
return; /* no work */
/*
* The technique embodied here works if libc follows the Single Unix Spec
* and actually uses the storage passed to putenv() to hold the environ
* entry. When we clobber the entry in the second step we are ensuring
* that we zap the actual environ member. However, there are some libc
* implementations (notably recent BSDs) that do not obey SUS but copy
* the presented string. This method fails on such platforms. Hopefully
* all such platforms have unsetenv() and thus won't be using this hack.
* The technique embodied here works if libc follows the Single Unix
* Spec and actually uses the storage passed to putenv() to hold the
* environ entry. When we clobber the entry in the second step we are
* ensuring that we zap the actual environ member. However, there are
* some libc implementations (notably recent BSDs) that do not obey
* SUS but copy the presented string. This method fails on such
* platforms. Hopefully all such platforms have unsetenv() and thus
* won't be using this hack.
*
* Note that repeatedly setting and unsetting a var using this code
* will leak memory.
* Note that repeatedly setting and unsetting a var using this code will
* leak memory.
*/
envstr = (char *) malloc(strlen(name) + 2);
@ -49,8 +50,8 @@ unsetenv(const char *name)
strcpy(envstr, "=");
/*
* This last putenv cleans up if we have multiple zero-length names
* as a result of unsetting multiple things.
* This last putenv cleans up if we have multiple zero-length names as
* a result of unsetting multiple things.
*/
putenv(envstr);
}