From 2a969b7f4bdb223d3626dc14b684701942ccafb2 Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Thu, 21 Sep 2017 01:02:04 +0300 Subject: Make package to be source rather than stub --- libpq/win32/system.c | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 libpq/win32/system.c (limited to 'libpq/win32/system.c') diff --git a/libpq/win32/system.c b/libpq/win32/system.c new file mode 100644 index 0000000..15b6e37 --- /dev/null +++ b/libpq/win32/system.c @@ -0,0 +1,119 @@ +/*------------------------------------------------------------------------- + * + * system.c + * Win32 system() and popen() replacements + * + * + * Win32 needs double quotes at the beginning and end of system() + * strings. If not, it gets confused with multiple quoted strings. + * It also requires double-quotes around the executable name and + * any files used for redirection. Filter other args through + * appendShellString() to quote them. + * + * Generated using Win32 "CMD /?": + * + * 1. If all of the following conditions are met, then quote characters + * on the command line are preserved: + * + * - no /S switch + * - exactly two quote characters + * - no special characters between the two quote characters, where special + * is one of: &<>()@^| + * - there are one or more whitespace characters between the two quote + * characters + * - the string between the two quote characters is the name of an + * executable file. + * + * 2. Otherwise, old behavior is to see if the first character is a quote + * character and if so, strip the leading character and remove the last + * quote character on the command line, preserving any text after the last + * quote character. + * + * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group + * + * src/port/system.c + * + *------------------------------------------------------------------------- + */ +int a; + +#if defined(WIN32) && !defined(__CYGWIN__) + +#ifndef FRONTEND +#include "postgres.h" +#else +#include "postgres_fe.h" +#endif + +#include +#include + +#undef system +#undef popen + +int +pgwin32_system(const char *command) +{ + size_t cmdlen = strlen(command); + char *buf; + int save_errno; + int res; + + /* + * Create a malloc'd copy of the command string, enclosed with an extra + * pair of quotes + */ + buf = malloc(cmdlen + 2 + 1); + if (buf == NULL) + { + errno = ENOMEM; + return -1; + } + buf[0] = '"'; + memcpy(&buf[1], command, cmdlen); + buf[cmdlen + 1] = '"'; + buf[cmdlen + 2] = '\0'; + + res = system(buf); + + save_errno = errno; + free(buf); + errno = save_errno; + + return res; +} + + +FILE * +pgwin32_popen(const char *command, const char *type) +{ + size_t cmdlen = strlen(command); + char *buf; + int save_errno; + FILE *res; + + /* + * Create a malloc'd copy of the command string, enclosed with an extra + * pair of quotes + */ + buf = malloc(cmdlen + 2 + 1); + if (buf == NULL) + { + errno = ENOMEM; + return NULL; + } + buf[0] = '"'; + memcpy(&buf[1], command, cmdlen); + buf[cmdlen + 1] = '"'; + buf[cmdlen + 2] = '\0'; + + res = _popen(buf, type); + + save_errno = errno; + free(buf); + errno = save_errno; + + return res; +} + +#endif -- cgit v1.1