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/*-------------------------------------------------------------------------
*
* pg_regress_ecpg --- regression test driver for ecpg
*
* This is a C implementation of the previous shell script for running
* the regression tests, and should be mostly compatible with it.
* Initial author of C translation: Magnus Hagander
*
* This code is released under the terms of the PostgreSQL License.
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/interfaces/ecpg/test/pg_regress_ecpg.c
*
*-------------------------------------------------------------------------
*/
#include "postgres_fe.h"
#include "pg_regress.h"
#define LINEBUFSIZE 300
static void
ecpg_filter(const char *sourcefile, const char *outfile)
{
/*
* Create a filtered copy of sourcefile, replacing #line x
* "./../bla/foo.h" with #line x "foo.h"
*/
FILE *s,
*t;
char linebuf[LINEBUFSIZE];
s = fopen(sourcefile, "r");
if (!s)
{
fprintf(stderr, "Could not open file %s for reading\n", sourcefile);
exit(2);
}
t = fopen(outfile, "w");
if (!t)
{
fprintf(stderr, "Could not open file %s for writing\n", outfile);
exit(2);
}
while (fgets(linebuf, LINEBUFSIZE, s))
{
/* check for "#line " in the beginning */
if (strstr(linebuf, "#line ") == linebuf)
{
char *p = strchr(linebuf, '"');
char *n;
int plen = 1;
while (*p && (*(p + plen) == '.' || strchr(p + plen, '/') != NULL))
{
plen++;
}
/* plen is one more than the number of . and / characters */
if (plen > 1)
{
n = (char *) malloc(plen);
StrNCpy(n, p + 1, plen);
replace_string(linebuf, n, "");
}
}
fputs(linebuf, t);
}
fclose(s);
fclose(t);
}
/*
* start an ecpg test process for specified file (including redirection),
* and return process ID
*/
static PID_TYPE
ecpg_start_test(const char *testname,
_stringlist **resultfiles,
_stringlist **expectfiles,
_stringlist **tags)
{
PID_TYPE pid;
char inprg[MAXPGPATH];
char insource[MAXPGPATH];
char *outfile_stdout,
expectfile_stdout[MAXPGPATH];
char *outfile_stderr,
expectfile_stderr[MAXPGPATH];
char *outfile_source,
expectfile_source[MAXPGPATH];
char cmd[MAXPGPATH * 3];
char *testname_dash;
char *appnameenv;
snprintf(inprg, sizeof(inprg), "%s/%s", inputdir, testname);
testname_dash = strdup(testname);
replace_string(testname_dash, "/", "-");
snprintf(expectfile_stdout, sizeof(expectfile_stdout),
"%s/expected/%s.stdout",
outputdir, testname_dash);
snprintf(expectfile_stderr, sizeof(expectfile_stderr),
"%s/expected/%s.stderr",
outputdir, testname_dash);
snprintf(expectfile_source, sizeof(expectfile_source),
"%s/expected/%s.c",
outputdir, testname_dash);
/*
* We can use replace_string() here because the replacement string does
* not occupy more space than the replaced one.
*/
outfile_stdout = strdup(expectfile_stdout);
replace_string(outfile_stdout, "/expected/", "/results/");
outfile_stderr = strdup(expectfile_stderr);
replace_string(outfile_stderr, "/expected/", "/results/");
outfile_source = strdup(expectfile_source);
replace_string(outfile_source, "/expected/", "/results/");
add_stringlist_item(resultfiles, outfile_stdout);
add_stringlist_item(expectfiles, expectfile_stdout);
add_stringlist_item(tags, "stdout");
add_stringlist_item(resultfiles, outfile_stderr);
add_stringlist_item(expectfiles, expectfile_stderr);
add_stringlist_item(tags, "stderr");
add_stringlist_item(resultfiles, outfile_source);
add_stringlist_item(expectfiles, expectfile_source);
add_stringlist_item(tags, "source");
snprintf(insource, sizeof(insource), "%s.c", testname);
ecpg_filter(insource, outfile_source);
snprintf(inprg, sizeof(inprg), "%s/%s", inputdir, testname);
snprintf(cmd, sizeof(cmd),
"\"%s\" >\"%s\" 2>\"%s\"",
inprg,
outfile_stdout,
outfile_stderr);
appnameenv = psprintf("PGAPPNAME=ecpg/%s", testname_dash);
putenv(appnameenv);
pid = spawn_process(cmd);
if (pid == INVALID_PID)
{
fprintf(stderr, _("could not start process for test %s\n"),
testname);
exit(2);
}
unsetenv("PGAPPNAME");
free(appnameenv);
free(testname_dash);
free(outfile_stdout);
free(outfile_stderr);
free(outfile_source);
return pid;
}
static void
ecpg_init(int argc, char *argv[])
{
/* nothing to do here at the moment */
}
int
main(int argc, char *argv[])
{
return regression_main(argc, argv, ecpg_init, ecpg_start_test);
}
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