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Fix random breakage in exec.c for platforms where strdup is a macro.

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This commit is contained in:
Tom Lane 2004-05-21 16:06:23 +00:00
parent 79c3bf4984
commit ff0b706b13
2 changed files with 22 additions and 22 deletions
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4
src/include/port.h
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/port.h,v 1.36 2004/05/21 05:08:03 tgl Exp $
* $PostgreSQL: pgsql/src/include/port.h,v 1.37 2004/05/21 16:06:22 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -60,7 +60,7 @@ extern void get_pkglib_path(const char *my_exec_path, char *ret_path);
/* Portable way to find binaries */
extern int find_my_exec(const char *argv0, char *retpath);
extern int find_other_exec(const char *argv0, char const *target,
extern int find_other_exec(const char *argv0, const char *target,
const char *versionstr, char *retpath);
#if defined(__CYGWIN__) || defined(WIN32)
#define EXE ".exe"

40
src/port/exec.c
View File

@ -7,16 +7,13 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/port/exec.c,v 1.12 2004/05/20 15:38:11 momjian Exp $
* $PostgreSQL: pgsql/src/port/exec.c,v 1.13 2004/05/21 16:06:23 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef FRONTEND
#include "postgres.h"
#define malloc(l) palloc(l)
#define free(p) pfree(p)
#define strdup(p) pstrdup(p)
#else
#include "postgres_fe.h"
#endif
@ -24,14 +21,19 @@
#include <grp.h>
#include <pwd.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <unistd.h>
#include <sys/wait.h>
#define _(x) gettext((x))
#include "miscadmin.h"
#define _(x) gettext(x)
#ifdef FRONTEND
#undef pstrdup
#define pstrdup(p) strdup(p)
#define pfree(p) free(p)
#endif
/* $PATH (or %PATH%) path separator */
#ifdef WIN32
#define PATHSEP ';'
@ -58,8 +60,10 @@
#define log_error(str, param) fprintf(stderr, (str), (param))
#endif
static void win32_make_absolute(char *path);
/*
* validate_exec -- validate "path" as an executable file
*
@ -243,7 +247,7 @@ find_my_exec(const char *argv0, char *retpath)
*/
if ((p = getenv("PATH")) && *p)
{
path = strdup(p); /* make a modifiable copy */
path = pstrdup(p); /* make a modifiable copy */
for (startp = path, endp = strchr(path, PATHSEP);
startp && *startp;
startp = endp + 1, endp = strchr(startp, PATHSEP))
@ -263,19 +267,19 @@ find_my_exec(const char *argv0, char *retpath)
{
case 0: /* found ok */
win32_make_absolute(retpath);
free(path);
pfree(path);
return 0;
case -1: /* wasn't even a candidate, keep looking */
break;
case -2: /* found but disqualified */
log_error("could not read binary \"%s\"", retpath);
free(path);
pfree(path);
return -1;
}
if (!endp) /* last one */
break;
}
free(path);
pfree(path);
}
log_error("could not find a \"%s\" to execute", argv0);
@ -296,8 +300,9 @@ find_my_exec(const char *argv0, char *retpath)
* Find our binary directory, then make sure the "target" executable
* is the proper version.
*/
int find_other_exec(const char *argv0, char const *target,
const char *versionstr, char *retpath)
int
find_other_exec(const char *argv0, const char *target,
const char *versionstr, char *retpath)
{
char cmd[MAXPGPATH];
char line[100];
@ -380,8 +385,6 @@ pclose_check(FILE *stream)
/*
* Windows doesn't like relative paths to executables (other things work fine)
* so we call its builtin function to expand them. Elsewhere this is a NOOP
*
* Returns malloc'ed memory.
*/
static void
win32_make_absolute(char *path)
@ -391,14 +394,11 @@ win32_make_absolute(char *path)
if (_fullpath(abspath, path, MAXPGPATH) == NULL)
{
log_error("Win32 path expansion failed: %s", strerror(errno));
log_error("Win32 path expansion failed: %s", strerror(errno));
StrNCpy(abspath, path, MAXPGPATH);
}
canonicalize_path(abspath);
StrNCpy(path, abspath, MAXPGPATH);
#endif
return;
}