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Commite185583

Browse files
author
Michael Meskes
committed
Allow input from stdin and output to stdout.
1 parent6778445 commite185583

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3 files changed

+59
-44
lines changed

3 files changed

+59
-44
lines changed

‎src/interfaces/ecpg/ChangeLog‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1445,6 +1445,10 @@ Fri May 23 11:46:15 CEST 2003
14451445
Tue May 27 13:29:28 CEST 2003
14461446

14471447
- Fixed incorrect output for some structs.
1448+
1449+
Tue May 27 16:33:36 CEST 2003
1450+
1451+
- Accept stdin/stdout as input/output file.
14481452
- Set ecpg version to 2.12.0.
14491453
- Set ecpg library to 3.4.2.
14501454
- Set pgtypes library to 1.0.0

‎src/interfaces/ecpg/preproc/ecpg.c‎

Lines changed: 54 additions & 35 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.70 2003/05/14 14:37:35 meskes Exp $ */
1+
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.71 2003/05/27 14:36:00 meskes Exp $ */
22

33
/* New main for ecpg, the PostgreSQL embedded SQL precompiler. */
44
/* (C) Michael Meskes <meskes@postgresql.org> Feb 5th, 1998 */
@@ -137,7 +137,11 @@ main(int argc, char *const argv[])
137137
switch (c)
138138
{
139139
case'o':
140-
yyout=fopen(optarg,PG_BINARY_W);
140+
if (strcmp(optarg,"-")==0)
141+
yyout=stdout;
142+
else
143+
yyout=fopen(optarg,PG_BINARY_W);
144+
141145
if (yyout==NULL)
142146
perror(optarg);
143147
else
@@ -219,47 +223,62 @@ main(int argc, char *const argv[])
219223
char*output_filename=NULL,
220224
*ptr2ext;
221225

222-
input_filename=mm_alloc(strlen(argv[fnr])+5);
223-
224-
strcpy(input_filename,argv[fnr]);
226+
/* If argv[fnr] is "-" we have to read from stdin */
227+
if (strcmp(argv[fnr],"-")==0)
228+
{
229+
input_filename=mm_alloc(strlen("stdin")+1);
230+
strcpy(input_filename,"stdin");
231+
yyin=stdin;
232+
}
233+
else
234+
{
235+
input_filename=mm_alloc(strlen(argv[fnr])+5);
236+
strcpy(input_filename,argv[fnr]);
225237

226-
/* take care of relative paths */
227-
ptr2ext=last_path_separator(input_filename);
228-
ptr2ext= (ptr2ext ?strrchr(ptr2ext,'.') :strrchr(input_filename,'.'));
238+
/* take care of relative paths */
239+
ptr2ext=last_path_separator(input_filename);
240+
ptr2ext= (ptr2ext ?strrchr(ptr2ext,'.') :strrchr(input_filename,'.'));
229241

230-
/* no extension? */
231-
if (ptr2ext==NULL)
232-
{
233-
ptr2ext=input_filename+strlen(input_filename);
234-
235-
/* no extension => add .pgc */
236-
ptr2ext[0]='.';
237-
ptr2ext[1]='p';
238-
ptr2ext[2]='g';
239-
ptr2ext[3]='c';
240-
ptr2ext[4]='\0';
242+
/* no extension? */
243+
if (ptr2ext==NULL)
244+
{
245+
ptr2ext=input_filename+strlen(input_filename);
246+
247+
/* no extension => add .pgc */
248+
ptr2ext[0]='.';
249+
ptr2ext[1]='p';
250+
ptr2ext[2]='g';
251+
ptr2ext[3]='c';
252+
ptr2ext[4]='\0';
253+
}
254+
255+
yyin=fopen(input_filename,PG_BINARY_R);
241256
}
242257

243258
if (out_option==0)/* calculate the output name */
244259
{
245-
output_filename=strdup(input_filename);
260+
if (strcmp(input_filename,"stdin")==0)
261+
yyout=stdout;
262+
else
263+
{
264+
output_filename=strdup(input_filename);
246265

247-
ptr2ext=strrchr(output_filename,'.');
248-
/* make extension = .c */
249-
ptr2ext[1]='c';
250-
ptr2ext[2]='\0';
266+
ptr2ext=strrchr(output_filename,'.');
267+
/* make extension = .c */
268+
ptr2ext[1]='c';
269+
ptr2ext[2]='\0';
251270

252-
yyout=fopen(output_filename,PG_BINARY_W);
253-
if (yyout==NULL)
254-
{
255-
perror(output_filename);
256-
free(output_filename);
257-
free(input_filename);
258-
continue;
271+
yyout=fopen(output_filename,PG_BINARY_W);
272+
if (yyout==NULL)
273+
{
274+
perror(output_filename);
275+
free(output_filename);
276+
free(input_filename);
277+
continue;
278+
}
259279
}
260280
}
261281

262-
yyin=fopen(input_filename,PG_BINARY_R);
263282
if (yyin==NULL)
264283
perror(argv[fnr]);
265284
else
@@ -341,7 +360,7 @@ main(int argc, char *const argv[])
341360

342361
/* finally the actual connection */
343362
connection=NULL;
344-
363+
345364
/* initialize lex */
346365
lex_init();
347366

@@ -355,9 +374,9 @@ main(int argc, char *const argv[])
355374
/* and parse the source */
356375
yyparse();
357376

358-
if (yyin!=NULL)
377+
if (yyin!=NULL&&yyin!=stdin)
359378
fclose(yyin);
360-
if (out_option==0)
379+
if (out_option==0&&yyout!=stdout)
361380
fclose(yyout);
362381
}
363382

‎src/interfaces/ecpg/preproc/pgc.l‎

Lines changed: 1 addition & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,7 @@
1212
*
1313
*
1414
* IDENTIFICATION
15-
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.110 2003/05/22 07:58:41 meskes Exp $
15+
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.111 2003/05/27 14:36:00 meskes Exp $
1616
*
1717
*-------------------------------------------------------------------------
1818
*/
@@ -399,14 +399,6 @@ cppline{space}*#(.*\\{space})+.*
399399
BEGIN(state_before);
400400
if (literallen ==0)
401401
mmerror(PARSE_ERROR, ET_ERROR,"zero-length delimited identifier");
402-
if (literallen >= NAMEDATALEN)
403-
{
404-
snprintf(errortext,sizeof(errortext),"identifier\"%s\" will be truncated to\"%.*s\"",
405-
literalbuf, NAMEDATALEN-1, literalbuf);
406-
literalbuf[NAMEDATALEN-1] ='\0';
407-
mmerror(PARSE_ERROR, ET_WARNING, errortext);
408-
}
409-
410402
yylval.str =mm_strdup(literalbuf);
411403
return CSTRING;
412404
}

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