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Commit43f6ab8

Browse files
Jan WieckJan Wieck
Jan Wieck
authored and
Jan Wieck
committed
Please find attached a patch for the pg_dump directory which addresses:
- The problems Jan reported- incompatibility with configure (now uses HAVE_LIBZ instead of HAVE_ZLIB)- a problem in auto-detecting archive file format on piped archivesPhilip Warner
1 parent2a225eb commit43f6ab8

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6 files changed

+69
-68
lines changed

6 files changed

+69
-68
lines changed

‎src/bin/pg_dump/pg_backup_archiver.c‎

Lines changed: 49 additions & 47 deletions
Original file line numberDiff line numberDiff line change
@@ -118,7 +118,7 @@ void RestoreArchive(Archive* AHX, RestoreOptions *ropt)
118118
_printTocEntry(AH,te,ropt);
119119

120120
if (AH->PrintTocDataPtr!=NULL&& (reqs&2)!=0) {
121-
#ifndefHAVE_ZLIB
121+
#ifndefHAVE_LIBZ
122122
if (AH->compression!=0)
123123
die_horribly("%s: Unable to restore data from a compressed archive\n",progname);
124124
#endif
@@ -415,11 +415,14 @@ int archprintf(Archive* AH, const char *fmt, ...)
415415
{
416416
char*p=NULL;
417417
va_listap;
418-
intbSize=strlen(fmt)+1024;
418+
intbSize=strlen(fmt)+256;
419419
intcnt=-1;
420420

421421
va_start(ap,fmt);
422-
while (cnt<0) {
422+
423+
/* This is paranoid: deal with the possibility that vsnprintf is willing to ignore trailing null */
424+
/* or returns > 0 even if string does not fit. It may be the case that it returns cnt = bufsize */
425+
while (cnt<0||cnt >= (bSize-1) ) {
423426
if (p!=NULL)free(p);
424427
bSize *=2;
425428
if ((p=malloc(bSize))==NULL)
@@ -443,7 +446,7 @@ int archprintf(Archive* AH, const char *fmt, ...)
443446
OutputContextSetOutput(ArchiveHandle*AH,char*filename,intcompression)
444447
{
445448
OutputContextsav;
446-
#ifdefHAVE_ZLIB
449+
#ifdefHAVE_LIBZ
447450
charfmode[10];
448451
#endif
449452
intfn=0;
@@ -464,7 +467,7 @@ OutputContext SetOutput(ArchiveHandle* AH, char *filename, int compression)
464467
}
465468

466469
/* If compression explicitly requested, use gzopen */
467-
#ifdefHAVE_ZLIB
470+
#ifdefHAVE_LIBZ
468471
if (compression!=0)
469472
{
470473
sprintf(fmode,"wb%d",compression);
@@ -482,7 +485,7 @@ OutputContext SetOutput(ArchiveHandle* AH, char *filename, int compression)
482485
AH->OF=fopen(filename,PG_BINARY_W);
483486
}
484487
AH->gzOut=0;
485-
#ifdefHAVE_ZLIB
488+
#ifdefHAVE_LIBZ
486489
}
487490
#endif
488491

@@ -509,11 +512,13 @@ int ahprintf(ArchiveHandle* AH, const char *fmt, ...)
509512
{
510513
char*p=NULL;
511514
va_listap;
512-
intbSize=strlen(fmt)+1024;/* Should be enough */
515+
intbSize=strlen(fmt)+256;/* Should be enough */
513516
intcnt=-1;
514517

515518
va_start(ap,fmt);
516-
while (cnt<0) {
519+
/* This is paranoid: deal with the possibility that vsnprintf is willing to ignore trailing null */
520+
/* or returns > 0 even if string does not fit. It may be the case that it returns cnt = bufsize */
521+
while (cnt<0||cnt >= (bSize-1) ) {
517522
if (p!=NULL)free(p);
518523
bSize *=2;
519524
p= (char*)malloc(bSize);
@@ -681,6 +686,7 @@ int _discoverArchiveFormat(ArchiveHandle* AH)
681686
intcnt;
682687
intwantClose=0;
683688

689+
684690
if (AH->fSpec) {
685691
wantClose=1;
686692
fh=fopen(AH->fSpec,PG_BINARY_R);
@@ -693,16 +699,11 @@ int _discoverArchiveFormat(ArchiveHandle* AH)
693699

694700
cnt=fread(sig,1,5,fh);
695701

696-
if (cnt!=5) {
697-
fprintf(stderr,"Archiver: input file is too short, or is unreadable\n");
698-
exit(1);
699-
}
702+
if (cnt!=5)
703+
die_horribly("%s: input file is too short, or is unreadable\n",progname);
700704

701705
if (strncmp(sig,"PGDMP",5)!=0)
702-
{
703-
fprintf(stderr,"Archiver: input file does not appear to be a valid archive\n");
704-
exit(1);
705-
}
706+
die_horribly("%s: input file does not appear to be a valid archive\n",progname);
706707

707708
AH->vmaj=fgetc(fh);
708709
AH->vmin=fgetc(fh);
@@ -739,7 +740,7 @@ static ArchiveHandle* _allocAH(const char* FileSpec, ArchiveFormat fmt,
739740
intcompression,ArchiveModemode) {
740741
ArchiveHandle*AH;
741742

742-
AH= (ArchiveHandle*)malloc(sizeof(ArchiveHandle));
743+
AH= (ArchiveHandle*)calloc(1,sizeof(ArchiveHandle));
743744
if (!AH)
744745
die_horribly("Archiver: Could not allocate archive handle\n");
745746

@@ -759,7 +760,7 @@ static ArchiveHandle* _allocAH(const char* FileSpec, ArchiveFormat fmt,
759760
AH->currToc=NULL;
760761
AH->currUser="";
761762

762-
AH->toc= (TocEntry*)malloc(sizeof(TocEntry));
763+
AH->toc= (TocEntry*)calloc(1,sizeof(TocEntry));
763764
if (!AH->toc)
764765
die_horribly("Archiver: Could not allocate TOC header\n");
765766

@@ -996,7 +997,7 @@ void WriteHead(ArchiveHandle* AH)
996997
(*AH->WriteBytePtr)(AH,AH->intSize);
997998
(*AH->WriteBytePtr)(AH,AH->format);
998999

999-
#ifndefHAVE_ZLIB
1000+
#ifndefHAVE_LIBZ
10001001
if (AH->compression!=0)
10011002
fprintf(stderr,"%s: WARNING - requested compression not available in this installation - "
10021003
"archive will be uncompressed \n",progname);
@@ -1016,43 +1017,43 @@ void ReadHead(ArchiveHandle* AH)
10161017
chartmpMag[7];
10171018
intfmt;
10181019

1019-
if (AH->readHeader)
1020-
return;
1020+
if (!AH->readHeader) {
10211021

1022-
(*AH->ReadBufPtr)(AH,tmpMag,5);
1022+
(*AH->ReadBufPtr)(AH,tmpMag,5);
10231023

1024-
if (strncmp(tmpMag,"PGDMP",5)!=0)
1025-
die_horribly("Archiver: Did not fing magic PGDMP in file header\n");
1024+
if (strncmp(tmpMag,"PGDMP",5)!=0)
1025+
die_horribly("Archiver: Did not fing magic PGDMP in file header\n");
10261026

1027-
AH->vmaj= (*AH->ReadBytePtr)(AH);
1028-
AH->vmin= (*AH->ReadBytePtr)(AH);
1027+
AH->vmaj= (*AH->ReadBytePtr)(AH);
1028+
AH->vmin= (*AH->ReadBytePtr)(AH);
10291029

1030-
if (AH->vmaj>1|| ( (AH->vmaj==1)&& (AH->vmin>0) ) )/* Version > 1.0 */
1031-
{
1032-
AH->vrev= (*AH->ReadBytePtr)(AH);
1033-
}else {
1034-
AH->vrev=0;
1035-
}
1030+
if (AH->vmaj>1|| ( (AH->vmaj==1)&& (AH->vmin>0) ) )/* Version > 1.0 */
1031+
{
1032+
AH->vrev= (*AH->ReadBytePtr)(AH);
1033+
}else {
1034+
AH->vrev=0;
1035+
}
10361036

1037-
AH->version= ( (AH->vmaj*256+AH->vmin)*256+AH->vrev )*256+0;
1037+
AH->version= ( (AH->vmaj*256+AH->vmin)*256+AH->vrev )*256+0;
10381038

10391039

1040-
if (AH->version<K_VERS_1_0||AH->version>K_VERS_MAX)
1041-
die_horribly("Archiver: unsupported version (%d.%d) in file header\n",AH->vmaj,AH->vmin);
1040+
if (AH->version<K_VERS_1_0||AH->version>K_VERS_MAX)
1041+
die_horribly("Archiver: unsupported version (%d.%d) in file header\n",AH->vmaj,AH->vmin);
10421042

1043-
AH->intSize= (*AH->ReadBytePtr)(AH);
1044-
if (AH->intSize>32)
1045-
die_horribly("Archiver: sanity check on integer size (%d) failes\n",AH->intSize);
1043+
AH->intSize= (*AH->ReadBytePtr)(AH);
1044+
if (AH->intSize>32)
1045+
die_horribly("Archiver: sanity check on integer size (%d) failes\n",AH->intSize);
10461046

1047-
if (AH->intSize>sizeof(int))
1048-
fprintf(stderr,"\nWARNING: Backup file was made on a machine with larger integers, "
1049-
"some operations may fail\n");
1047+
if (AH->intSize>sizeof(int))
1048+
fprintf(stderr,"\nWARNING: Backup file was made on a machine with larger integers, "
1049+
"some operations may fail\n");
10501050

1051-
fmt= (*AH->ReadBytePtr)(AH);
1051+
fmt= (*AH->ReadBytePtr)(AH);
10521052

1053-
if (AH->format!=fmt)
1054-
die_horribly("Archiver: expected format (%d) differs from format found in file (%d)\n",
1055-
AH->format,fmt);
1053+
if (AH->format!=fmt)
1054+
die_horribly("Archiver: expected format (%d) differs from format found in file (%d)\n",
1055+
AH->format,fmt);
1056+
}
10561057

10571058
if (AH->version >=K_VERS_1_2)
10581059
{
@@ -1061,8 +1062,9 @@ void ReadHead(ArchiveHandle* AH)
10611062
AH->compression=Z_DEFAULT_COMPRESSION;
10621063
}
10631064

1064-
#ifndefHAVE_ZLIB
1065-
fprintf(stderr,"%s: WARNING - archive is compressed - any data will not be available\n",progname);
1065+
#ifndefHAVE_LIBZ
1066+
if (AH->compression!=0)
1067+
fprintf(stderr,"%s: WARNING - archive is compressed - any data will not be available\n",progname);
10661068
#endif
10671069

10681070
}

‎src/bin/pg_dump/pg_backup_archiver.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -30,7 +30,7 @@
3030

3131
#include<stdio.h>
3232

33-
#ifdefHAVE_ZLIB
33+
#ifdefHAVE_LIBZ
3434
#include<zlib.h>
3535
#defineGZCLOSE(fh) gzclose(fh)
3636
#defineGZWRITE(p,s,n,fh) gzwrite(fh, p, n * s)
@@ -54,7 +54,7 @@ typedef z_stream *z_streamp;
5454

5555
#defineK_VERS_MAJOR 1
5656
#defineK_VERS_MINOR 2
57-
#defineK_VERS_REV0
57+
#defineK_VERS_REV1
5858

5959
/* Some important version numbers (checked in code) */
6060
#defineK_VERS_1_0 (( (1 * 256 + 0) * 256 + 0) * 256 + 0)

‎src/bin/pg_dump/pg_backup_custom.c‎

Lines changed: 9 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -200,7 +200,7 @@ static void_StartData(ArchiveHandle* AH, TocEntry* te)
200200

201201
WriteInt(AH,te->id);/* For sanity check */
202202

203-
#ifdefHAVE_ZLIB
203+
#ifdefHAVE_LIBZ
204204

205205
if (AH->compression<0||AH->compression>9) {
206206
AH->compression=Z_DEFAULT_COMPRESSION;
@@ -230,7 +230,7 @@ static int_DoDeflate(ArchiveHandle* AH, lclContext* ctx, int flush)
230230
{
231231
z_streampzp=ctx->zp;
232232

233-
#ifdefHAVE_ZLIB
233+
#ifdefHAVE_LIBZ
234234
char*out=ctx->zlibOut;
235235
intres=Z_OK;
236236

@@ -268,14 +268,14 @@ static int_DoDeflate(ArchiveHandle* AH, lclContext* ctx, int flush)
268268
ctx->filePos+=zp->avail_in;
269269
zp->avail_in=0;
270270
}else {
271-
#ifdefHAVE_ZLIB
271+
#ifdefHAVE_LIBZ
272272
if (flush==Z_FINISH)
273273
res=Z_STREAM_END;
274274
#endif
275275
}
276276

277277

278-
#ifdefHAVE_ZLIB
278+
#ifdefHAVE_LIBZ
279279
}
280280

281281
returnres;
@@ -305,7 +305,7 @@ static void_EndData(ArchiveHandle* AH, TocEntry* te)
305305
lclContext*ctx= (lclContext*)AH->formatData;
306306
lclTocEntry*tctx= (lclTocEntry*)te->formatData;
307307

308-
#ifdefHAVE_ZLIB
308+
#ifdefHAVE_LIBZ
309309
z_streampzp=ctx->zp;
310310
intres;
311311

@@ -385,7 +385,7 @@ static void_PrintData(ArchiveHandle* AH)
385385
char*in=ctx->zlibIn;
386386
intcnt;
387387

388-
#ifdefHAVE_ZLIB
388+
#ifdefHAVE_LIBZ
389389

390390
intres;
391391
char*out=ctx->zlibOut;
@@ -424,7 +424,7 @@ static void_PrintData(ArchiveHandle* AH)
424424
zp->next_in=in;
425425
zp->avail_in=blkLen;
426426

427-
#ifdefHAVE_ZLIB
427+
#ifdefHAVE_LIBZ
428428

429429
if (AH->compression!=0) {
430430

@@ -443,14 +443,14 @@ static void_PrintData(ArchiveHandle* AH)
443443
ahwrite(in,1,zp->avail_in,AH);
444444
zp->avail_in=0;
445445

446-
#ifdefHAVE_ZLIB
446+
#ifdefHAVE_LIBZ
447447
}
448448
#endif
449449

450450
blkLen=ReadInt(AH);
451451
}
452452

453-
#ifdefHAVE_ZLIB
453+
#ifdefHAVE_LIBZ
454454
if (AH->compression!=0)
455455
{
456456
zp->next_in=NULL;

‎src/bin/pg_dump/pg_backup_files.c‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -54,7 +54,7 @@ typedef struct {
5454
}lclContext;
5555

5656
typedefstruct {
57-
#ifdefHAVE_ZLIB
57+
#ifdefHAVE_LIBZ
5858
gzFile*FH;
5959
#else
6060
FILE*FH;
@@ -133,7 +133,7 @@ static void_ArchiveEntry(ArchiveHandle* AH, TocEntry* te)
133133

134134
ctx= (lclTocEntry*)malloc(sizeof(lclTocEntry));
135135
if (te->dataDumper) {
136-
#ifdefHAVE_ZLIB
136+
#ifdefHAVE_LIBZ
137137
if (AH->compression==0) {
138138
sprintf(fn,"%d.dat",te->id);
139139
}else {
@@ -192,7 +192,7 @@ static void_StartData(ArchiveHandle* AH, TocEntry* te)
192192

193193
sprintf(fmode,"wb%d",AH->compression);
194194

195-
#ifdefHAVE_ZLIB
195+
#ifdefHAVE_LIBZ
196196
tctx->FH=gzopen(tctx->filename,fmode);
197197
#else
198198
tctx->FH=fopen(tctx->filename,PG_BINARY_W);
@@ -229,7 +229,7 @@ static void_PrintTocData(ArchiveHandle* AH, TocEntry* te, RestoreOptions *ropt)
229229
if (!tctx->filename)
230230
return;
231231

232-
#ifdefHAVE_ZLIB
232+
#ifdefHAVE_LIBZ
233233
AH->FH=gzopen(tctx->filename,"rb");
234234
#else
235235
AH->FH=fopen(tctx->filename,PG_BINARY_R);

‎src/bin/pg_dump/pg_dump.c‎

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -22,7 +22,7 @@
2222
*
2323
*
2424
* IDENTIFICATION
25-
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.156 2000/07/04 16:57:49 momjian Exp $
25+
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.157 2000/07/06 18:39:39 wieck Exp $
2626
*
2727
* Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
2828
*
@@ -3202,10 +3202,9 @@ dumpTables(Archive *fout, TableInfo *tblinfo, int numTables,
32023202
{
32033203

32043204
/* Skip VIEW relations */
3205-
3206-
/*
3207-
* if (isViewRule(tblinfo[i].relname)) continue;
3208-
*/
3205+
3206+
/* if (isViewRule(tblinfo[i].relname)) continue; */
3207+
32093208

32103209
parentRels=tblinfo[i].parentRels;
32113210
numParents=tblinfo[i].numParents;

‎src/bin/pg_dump/pg_restore.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -108,7 +108,7 @@ int main(int argc, char **argv)
108108
char*progname;
109109
intc;
110110
Archive*AH;
111-
char*fileSpec;
111+
char*fileSpec=NULL;
112112

113113
opts=NewRestoreOptions();
114114

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