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Further pg_dump / ftello improvements

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Make ftello error-checking consistent to all calls and remove a
bit of ftello-related code which has been #if 0'd out since 2001.

Note that we are not concerned with the ftello() call under
snprintf() failing as it is just building a string to call
exit_horribly() with; printing -1 in such a case is fine.
This commit is contained in:
Stephen Frost 2014-02-09 18:28:14 -05:00
parent 5e8e794e3b
commit dfb1e9bdc0
2 changed files with 4 additions and 16 deletions
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3
src/bin/pg_dump/pg_backup_archiver.c
View File

@ -3347,9 +3347,8 @@ checkSeek(FILE *fp)
#endif
/* Check that ftello works on this file */
errno = 0;
tpos = ftello(fp);
if (errno)
if (tpos < 0)
return false;
/*

17
src/bin/pg_dump/pg_backup_tar.c
View File

@ -1068,6 +1068,9 @@ _tarAddFile(ArchiveHandle *AH, TAR_MEMBER *th)
*/
fseeko(tmp, 0, SEEK_END);
th->fileLen = ftello(tmp);
if (th->fileLen < 0)
exit_horribly(modulename, "could not determine seek position in file: %s\n",
strerror(errno));
fseeko(tmp, 0, SEEK_SET);
/*
@ -1212,20 +1215,6 @@ _tarGetHeader(ArchiveHandle *AH, TAR_MEMBER *th)
while (!gotBlock)
{
#if 0
if (ftello(ctx->tarFH) != ctx->tarFHpos)
{
char buf1[100],
buf2[100];
snprintf(buf1, sizeof(buf1), INT64_FORMAT, (int64) ftello(ctx->tarFH));
snprintf(buf2, sizeof(buf2), INT64_FORMAT, (int64) ftello(ctx->tarFHpos));
exit_horribly(modulename,
"mismatch in actual vs. predicted file position (%s vs. %s)\n",
buf1, buf2);
}
#endif
/* Save the pos for reporting purposes */
hPos = ctx->tarFHpos;