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Check the return value of getcwd(), instead of assuming success.

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Kevin Grittner
This commit is contained in:
Robert Haas 2011-11-04 10:40:25 -04:00
parent a030bfa6e4
commit c9f48b572c
1 changed files with 4 additions and 1 deletions
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5
contrib/pg_upgrade/option.c
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@ -56,6 +56,7 @@ parseCommandLine(int argc, char *argv[])
int option; /* Command line option */
int optindex = 0; /* used by getopt_long */
int os_user_effective_id;
char *return_buf;
user_opts.transfer_mode = TRANSFER_MODE_COPY;
@ -93,7 +94,9 @@ parseCommandLine(int argc, char *argv[])
if (os_user_effective_id == 0)
pg_log(PG_FATAL, "%s: cannot be run as root\n", os_info.progname);
getcwd(os_info.cwd, MAXPGPATH);
return_buf = getcwd(os_info.cwd, MAXPGPATH);
if (return_buf == NULL)
pg_log(PG_FATAL, "Could not access current working directory: %s\n", getErrorText(errno));
while ((option = getopt_long(argc, argv, "d:D:b:B:cgG:kl:o:O:p:P:u:v",
long_options, &optindex)) != -1)