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Allow input from stdin and output to stdout.

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This commit is contained in:
Michael Meskes 2003-05-27 14:36:00 +00:00
parent 677844560f
commit e185583a37
3 changed files with 60 additions and 45 deletions
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4
src/interfaces/ecpg/ChangeLog
View File

@ -1445,6 +1445,10 @@ Fri May 23 11:46:15 CEST 2003
Tue May 27 13:29:28 CEST 2003
- Fixed incorrect output for some structs.
Tue May 27 16:33:36 CEST 2003
- Accept stdin/stdout as input/output file.
- Set ecpg version to 2.12.0.
- Set ecpg library to 3.4.2.
- Set pgtypes library to 1.0.0

91
src/interfaces/ecpg/preproc/ecpg.c
View File

@ -1,4 +1,4 @@
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.70 2003/05/14 14:37:35 meskes Exp $ */
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.71 2003/05/27 14:36:00 meskes Exp $ */
/* New main for ecpg, the PostgreSQL embedded SQL precompiler. */
/* (C) Michael Meskes <meskes@postgresql.org> Feb 5th, 1998 */
@ -137,7 +137,11 @@ main(int argc, char *const argv[])
switch (c)
{
case 'o':
yyout = fopen(optarg, PG_BINARY_W);
if (strcmp(optarg, "-") == 0)
yyout = stdout;
else
yyout = fopen(optarg, PG_BINARY_W);
if (yyout == NULL)
perror(optarg);
else
@ -219,47 +223,62 @@ main(int argc, char *const argv[])
char *output_filename = NULL,
*ptr2ext;
input_filename = mm_alloc(strlen(argv[fnr]) + 5);
strcpy(input_filename, argv[fnr]);
/* take care of relative paths */
ptr2ext = last_path_separator(input_filename);
ptr2ext = (ptr2ext ? strrchr(ptr2ext, '.') : strrchr(input_filename, '.'));
/* no extension? */
if (ptr2ext == NULL)
/* If argv[fnr] is "-" we have to read from stdin */
if (strcmp(argv[fnr], "-") == 0)
{
ptr2ext = input_filename + strlen(input_filename);
input_filename = mm_alloc(strlen("stdin")+1);
strcpy(input_filename, "stdin");
yyin = stdin;
}
else
{
input_filename = mm_alloc(strlen(argv[fnr]) + 5);
strcpy(input_filename, argv[fnr]);
/* no extension => add .pgc */
ptr2ext[0] = '.';
ptr2ext[1] = 'p';
ptr2ext[2] = 'g';
ptr2ext[3] = 'c';
ptr2ext[4] = '\0';
/* take care of relative paths */
ptr2ext = last_path_separator(input_filename);
ptr2ext = (ptr2ext ? strrchr(ptr2ext, '.') : strrchr(input_filename, '.'));
/* no extension? */
if (ptr2ext == NULL)
{
ptr2ext = input_filename + strlen(input_filename);
/* no extension => add .pgc */
ptr2ext[0] = '.';
ptr2ext[1] = 'p';
ptr2ext[2] = 'g';
ptr2ext[3] = 'c';
ptr2ext[4] = '\0';
}
yyin = fopen(input_filename, PG_BINARY_R);
}
if (out_option == 0) /* calculate the output name */
{
output_filename = strdup(input_filename);
ptr2ext = strrchr(output_filename, '.');
/* make extension = .c */
ptr2ext[1] = 'c';
ptr2ext[2] = '\0';
yyout = fopen(output_filename, PG_BINARY_W);
if (yyout == NULL)
if (strcmp(input_filename, "stdin") == 0)
yyout = stdout;
else
{
perror(output_filename);
free(output_filename);
free(input_filename);
continue;
output_filename = strdup(input_filename);
ptr2ext = strrchr(output_filename, '.');
/* make extension = .c */
ptr2ext[1] = 'c';
ptr2ext[2] = '\0';
yyout = fopen(output_filename, PG_BINARY_W);
if (yyout == NULL)
{
perror(output_filename);
free(output_filename);
free(input_filename);
continue;
}
}
}
yyin = fopen(input_filename, PG_BINARY_R);
if (yyin == NULL)
perror(argv[fnr]);
else
@ -341,7 +360,7 @@ main(int argc, char *const argv[])
/* finally the actual connection */
connection = NULL;
/* initialize lex */
lex_init();
@ -355,9 +374,9 @@ main(int argc, char *const argv[])
/* and parse the source */
yyparse();
if (yyin != NULL)
if (yyin != NULL && yyin != stdin)
fclose(yyin);
if (out_option == 0)
if (out_option == 0 && yyout != stdout)
fclose(yyout);
}

10
src/interfaces/ecpg/preproc/pgc.l
View File

@ -12,7 +12,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.110 2003/05/22 07:58:41 meskes Exp $
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.111 2003/05/27 14:36:00 meskes Exp $
*
*-------------------------------------------------------------------------
*/
@ -399,14 +399,6 @@ cppline {space}*#(.*\\{space})+.*
BEGIN(state_before);
if (literallen == 0)
mmerror(PARSE_ERROR, ET_ERROR, "zero-length delimited identifier");
if (literallen >= NAMEDATALEN)
{
snprintf(errortext, sizeof(errortext), "identifier \"%s\" will be truncated to \"%.*s\"",
literalbuf, NAMEDATALEN-1, literalbuf);
literalbuf[NAMEDATALEN-1] = '\0';
mmerror(PARSE_ERROR, ET_WARNING, errortext);
}
yylval.str = mm_strdup(literalbuf);
return CSTRING;
}