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ewpi.c
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#define _DEFAULT_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
#ifdef _WIN32
# include <windows.h>
# ifdef PATH_MAX
# undef PATH_MAX
# endif
# define PATH_MAX 32767
#else
# include <linux/limits.h>
# include <sys/mman.h>
# include <unistd.h>
# include <fcntl.h>
#endif
#include "ewpi_map.h"
#include "ewpi_spawn.h"
#define EWPI_DEBUG 0
#define EWPI_NAME(it) \
(it[0] == 'n') && \
(it[1] == 'a') && \
(it[2] == 'm') && \
(it[3] == 'e') && \
(it[4] == ':') && \
(it[5] == ' ')
#define EWPI_VERSION(it) \
(it[0] == 'v') && \
(it[1] == 'e') && \
(it[2] == 'r') && \
(it[3] == 's') && \
(it[4] == 'i') && \
(it[5] == 'o') && \
(it[6] == 'n') && \
(it[7] == ':') && \
(it[8] == ' ')
#define EWPI_URL(it) \
(it[0] == 'u') && \
(it[1] == 'r') && \
(it[2] == 'l') && \
(it[3] == ':') && \
(it[4] == ' ')
#define EWPI_DEPS(it) \
(it[0] == 'd') && \
(it[1] == 'e') && \
(it[2] == 'p') && \
(it[3] == 's') && \
(it[4] == ':')
typedef struct
{
char *name;
char *version;
int vmaj;
int vmin;
int vmic;
int vrev;
char *url;
char *tarname;
int deps_count;
char **deps;
unsigned int downloaded : 1;
unsigned int extracted : 1;
unsigned int installed : 1;
unsigned int is_git : 1;
} Package;
static const int _ew_vmaj = 1;
static const int _ew_vmin = 2;
static char *_ew_package_dir_git = NULL;
static char *_ew_package_dir_dst = NULL;
static int _ew_package_count_total = 0;
static int _ew_package_deps_dst_count = 0;
static int *_ew_package_index = NULL;
static int _ew_package_count_not_downloaded = 0;
static int _ew_package_count_not_extracted = 0;
static int _ew_package_count_not_installed = 0;
static int _ew_package_name_size_max = 0;
static Package *_ewpi_pkgs = NULL;
static void *
_ew_str_get(const unsigned char *start, const unsigned char *end)
{
char *str;
str = (char *)malloc(end - start + 1);
memcpy(str, start, end - start);
str[end - start] = '\0';
return str;
}
static void
_ew_usage(const char *argv0)
{
printf("Usage: %s [OPTION]\n", argv0);
printf("\n");
printf("Compile and install the EFL dependencies.\n");
printf("\n");
printf("Optional arguments:\n");
printf(" --help show this help message and exit\n");
printf(" --version show the Ewpi version and exit\n");
printf(" --prefix=DIR install in DIR (must be an absolute path)\n");
printf(" [default=$HOME/ewpi_$arch] $arch=32|64 base on\n");
printf(" host value\n");
printf(" --host=VAL host triplet, either i686-w64-mingw32 or x86_64-w64-mingw32\n");
printf(" [default=x86_64-w64-mingw32]\n");
printf(" --arch=VAL value passed to -march and -mtune gcc options\n");
printf(" [default=i686|x86-64], depending on host value\n");
printf(" --winver=VAL requested Windows version, win7 or win10 [default=win10]\n");
printf(" --verbose verbose mode\n");
printf(" --strip strip DLL\n");
printf(" --nsis strip DLL and create the NSIS installer\n");
printf(" --efl install the EFL\n");
printf(" --jobs=VAL maximum number of used jobs [default=maximum]\n");
printf(" --clean remove the archives and the created directories\n");
printf(" (not removed by default)\n");
printf("\n");
printf("Examples:\n");
printf(" ./ewpi --prefix=/opt/ewpi_32 --host=i686-w64-mingw32\n");
printf(" ./ewpi --host=x86_64-w64-mingw32 --efl --jobs=4\n");
printf("\n");
fflush(stdout);
}
static int
_ew_path_is_absolute(const char *path)
{
#ifdef _WIN32
if (!((strlen(path) >= 2) &&
(((path[0] >= 'a') && (path[0] <= 'z')) ||
((path[0] >= 'A') && (path[0] <= 'Z'))) &&
(path[1] == ':')))
{
printf("The path must be an absolute directory\n");
fflush(stdout);
return 0;
}
#else
if (*path != '/')
{
printf("The path must be an absolute directory\n");
fflush(stdout);
return 0;
}
#endif
return 1;
}
static int
_ew_path_exists(const char *path)
{
struct stat buf;
if (stat(path, &buf) != 0)
return 0;
return S_ISDIR(buf.st_mode);
}
static int
_ew_file_exists(const char *file)
{
struct stat buf;
if ((stat(file, &buf) == 0) && S_ISREG(buf.st_mode))
return buf.st_size;
return 0;
}
static int
_ew_mkdir(const char *pathname, int mode)
{
#if _WIN32
return mkdir(pathname);
(void)mode;
#else
return mkdir(pathname, mode);
#endif
}
static int
_ew_mkdir_p(const char *path)
{
char *p;
char *iter;
p = strdup(path);
if (!p)
return 0;
iter = strchr(p, '/');
if (!iter)
goto free_p;
/* Windows : "*:/" and Unix : "/" so we skip first "/" */
iter++;
while (1)
{
iter = strchr(iter, '/');
if (!iter)
{
_ew_mkdir(p, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
break;
}
*iter = '\0';
if (!_ew_path_exists(p))
{
if (_ew_mkdir(p, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH))
goto free_p;
}
*iter = '/';
iter++;
}
free(p);
return 1;
free_p:
free(p);
return 0;
}
static const char *_ew_req_host[] =
{
"gcc",
"g++",
"ar",
"dlltool",
"nm",
"ranlib",
"strip",
"windres",
NULL
};
static const char *_ew_req[][2] =
{
{ "make", "--version" },
{ "cmake", "--version" },
{ "python", "--version" },
{ "perl", "--version" },
{ "meson", "--version" },
{ "ninja", "--version" },
{ "yasm", "--version" },
{ "nasm", "--version" },
{ "gperf", "--version" },
{ "wget", "--version" },
{ "bison", "--version" },
{ "flex", "--version" },
{ "itstool", "--version" },
{ "makensis", "-VERSION" },
{ NULL, NULL }
};
static int
_ew_requirements(const char *host)
{
int ret;
for (int i = 0; _ew_req_host[i]; i++)
{
#ifdef _WIN32
char old_file[4096];
char new_file[4096];
HMODULE mod;
char *last;
DWORD len;
BOOL res;
mod = LoadLibrary("gcc.exe");
if (!mod)
return 0;
len = GetModuleFileName(mod, old_file, sizeof(old_file));
FreeLibrary(mod);
if (!len)
return 0;
old_file[len] = 0; /* not necessary, but i'm paranoid */
last = strrchr(old_file, '\\');
*(last + 1) = 0;
strcpy(new_file, old_file);
if (i >= 2)
{
strcat(old_file, _ew_req_host[i]);
strcat(old_file, ".exe");
strcat(new_file, host);
strcat(new_file, "-");
strcat(new_file, _ew_req_host[i]);
strcat(new_file, ".exe");
res = CopyFile(old_file, new_file, FALSE);
if (!res) return 0;
}
#endif
ret = ewpi_spawn(host, _ew_req_host[i], " --version");
printf(" %s : %s\n", _ew_req_host[i], ret ? "yes" : "no");
fflush(stdout);
if (!ret) return 0;
}
for (int i = 0; _ew_req[i][0]; i++)
{
ret = ewpi_spawn(NULL, _ew_req[i][0], _ew_req[i][1]);
printf(" %s : %s\n", _ew_req[i][0], ret ? "yes" : "no");
fflush(stdout);
if (ret == 0) return 0;
}
return 1;
}
static int
_ew_packages_dir_set(const char *prefix)
{
char buf[PATH_MAX];
char *iter;
size_t l1;
size_t l2;
/* first, package in the git repo */
if (!getcwd(buf, PATH_MAX))
return 0;
iter = buf;
while (*iter)
{
if (*iter == '\\') *iter = '/';
iter++;
}
l1 = strlen(buf);
l2 = sizeof("/packages") - 1;
if ((l1 + l2) > (PATH_MAX))
return 0;
if (!strcat(buf, "/packages"))
return 0;
_ew_package_dir_git = strdup(buf);
/* then, package in the destination */
*buf = 0;
l1 = strlen(prefix);
l2 = sizeof("/share/ewpi/packages") - 1;
if ((l1 + l2) > (PATH_MAX))
return 0;
strcpy(buf, prefix);
if (!strcat(buf, "/share/ewpi/packages"))
return 0;
_ew_package_dir_dst = strdup(buf);
_ew_mkdir_p(_ew_package_dir_dst);
return 1;
}
static void
_ew_packages_count_total()
{
DIR *dir;
struct dirent *f;
dir = opendir(_ew_package_dir_git);
if (!dir)
return;
while ((f = readdir(dir)))
{
if ((strcmp(f->d_name, ".") == 0) ||
(strcmp(f->d_name, "..") == 0))
continue;
_ew_package_count_total++;
}
closedir(dir);
}
static void
_ew_version_get(char *ver, int *maj, int *min, int *mic, int *rev)
{
char buf[128];
char *start;
char *iter;
*maj = 0;
*min = 0;
*mic = 0;
*rev = 0;
strcpy(buf, ver);
start = buf;
iter = strchr(start, '-');
if (iter)
{
*iter = '\0';
iter++;
*rev = atoi(iter);
}
iter = strchr(start, '.');
if (iter)
{
*iter = '\0';
*maj = atoi(start);
start = iter + 1;
iter = strchr(start, '.');
if (iter)
{
*iter = '\0';
*min = atoi(start);
start = iter + 1;
if (*start != '\0')
{
*mic = atoi(start);
}
}
else
*min = atoi(start);
}
else
*maj = atoi(start);
}
static void
_ew_packages_fill(Map *map, Package *pkg)
{
const unsigned char *iter;
iter = map->base;
while ((int)(iter - map->base) < (int)map->length)
{
if (EWPI_NAME(iter))
{
const unsigned char *iter2;
iter += 6;
iter2 = iter;
while (*iter != '\n') iter++;
pkg->name = _ew_str_get(iter2, iter);
}
else if (EWPI_VERSION(iter))
{
const unsigned char *iter2;
iter += 9;
iter2 = iter;
while (*iter != '\n') iter++;
pkg->version = _ew_str_get(iter2, iter);
_ew_version_get(pkg->version, &pkg->vmaj, &pkg->vmin, &pkg->vmic, &pkg->vrev);
}
else if (EWPI_URL(iter))
{
const unsigned char *iter2;
char *tarname;
iter += 5;
iter2 = iter;
while (*iter != '\n') iter++;
pkg->url = _ew_str_get(iter2, iter);
tarname = strrchr(pkg->url, '/');
tarname++;
pkg->tarname = strdup(tarname);
tarname = strrchr(tarname, '.');
tarname++;
if (strcmp(tarname, "git") == 0)
pkg->is_git = 1;
}
else if (EWPI_DEPS(iter))
{
iter += 5;
if (*iter == '\n')
{
pkg->deps_count = 0;
pkg->deps = NULL;
}
else
{
const unsigned char *iter2;
int j;
iter2 = iter;
pkg->deps_count = 0;
while (*iter != '\n')
{
if (*iter == ' ')
pkg->deps_count++;
iter++;
}
pkg->deps = (char **)malloc(pkg->deps_count * sizeof(char *));
j = 0;
iter2++;
iter = iter2;
while (*iter != '\n')
{
if (*iter == ' ')
{
pkg->deps[j] = (char *)malloc(iter - iter2 + 1);
memcpy(pkg->deps[j], iter2, iter - iter2);
pkg->deps[j][iter - iter2] = '\0';
j++;
iter2 = iter + 1;
}
iter++;
}
pkg->deps[j] = (char *)malloc(iter - iter2 + 1);
memcpy(pkg->deps[j], iter2, iter - iter2);
pkg->deps[j][iter - iter2] = '\0';
}
}
iter++;
}
}
static int
_ew_packages_get_git(void)
{
char buf[PATH_MAX];
DIR *dir;
struct dirent *f;
Package *iter;
_ewpi_pkgs = (Package *)calloc(_ew_package_count_total, sizeof(Package));
if (!_ewpi_pkgs)
return 0;
dir = opendir(_ew_package_dir_git);
if (!dir)
goto free_pkgs;
iter = _ewpi_pkgs;
while ((f = readdir(dir)))
{
Map map;
if ((strcmp(f->d_name, ".") == 0) ||
(strcmp(f->d_name, "..") == 0))
continue;
strcpy(buf, _ew_package_dir_git);
strcat(buf, "/");
strcat(buf, f->d_name);
strcat(buf, "/");
strcat(buf, f->d_name);
strcat(buf, ".ewpi");
if (!ewpi_map_new(&map, buf))
continue;
_ew_packages_fill(&map, iter);
ewpi_map_del(&map);
#if EWPI_DEBUG
printf(" name: %s\n", iter->name);
printf(" version: %s\n", iter->version);
printf(" url: %s\n", iter->url);
printf(" deps:");
int j;
for (j = 0; j < iter->deps_count; j++)
printf(" %s", iter->deps[j]);
printf("\n");
printf(" inst: %d\n", iter->installed);
#endif
iter++;
}
closedir(dir);
return 1;
free_pkgs:
free(_ewpi_pkgs);
return 0;
}
static int
_ew_copy(const char *path_git, const char *path_dst, const char *filename)
{
char f_git[4096];
char f_dst[4096];
char *buf_git = NULL;
FILE *file;
size_t size;
size_t sz;
strcpy(f_git, path_git);
strcat(f_git, "/");
strcat(f_git, filename);
/* get f_git size */
size = _ew_file_exists(f_git);
if (!size)
return 0;
buf_git = (char *)malloc(size);
if (!buf_git)
return 0;
file = fopen(f_git, "rb");
if (!file)
goto free_buf_git;
sz = fread(buf_git, 1, size, file);
if (sz != size)
goto close_file;
fclose(file);
strcpy(f_dst, path_dst);
strcat(f_dst, "/");
strcat(f_dst, filename);
file = fopen(f_dst, "wb");
if (!file)
goto free_buf_git;
sz = fwrite(buf_git, 1, size, file);
fclose(file);
free(buf_git);
if (sz != size)
{
printf(" size mismatch %d %d\n", (int)size, (int)sz);
fflush(stdout);
unlink(f_dst);
return 0;
}
return 1;
close_file:
fclose(file);
free_buf_git:
free(buf_git);
return 0;
}
static void
_ew_packages_dst_set(const char *prefix)
{
char buf_git[PATH_MAX];
char buf_dst[PATH_MAX];
for (int i = 0; i < _ew_package_count_total; i++)
{
char buf_ewpi[PATH_MAX];
strcpy(buf_git, _ew_package_dir_git);
strcat(buf_git, "/");
strcat(buf_git, _ewpi_pkgs[i].name);
strcpy(buf_dst, _ew_package_dir_dst);
strcat(buf_dst, "/");
strcat(buf_dst, _ewpi_pkgs[i].name);
strcpy(buf_ewpi, _ewpi_pkgs[i].name);
strcat(buf_ewpi, ".ewpi");
if (_ew_path_exists(buf_dst))
{
/*
* if directory exists, we compare versions from git and dst
* and if git is newer, we suppress the 'installed' file
*/
char buf_ewpi_dst[PATH_MAX];
Package pkg;
Map map;
strcpy(buf_ewpi_dst, buf_dst);
strcat(buf_ewpi_dst, "/");
strcat(buf_ewpi_dst, buf_ewpi);
if (ewpi_map_new(&map, buf_ewpi_dst))
{
_ew_packages_fill(&map, &pkg);
/* if version in git is greater, we remove "installed" file */
if ((_ewpi_pkgs[i].vmaj > pkg.vmaj) ||
((_ewpi_pkgs[i].vmaj == pkg.vmaj) &&
(_ewpi_pkgs[i].vmin > pkg.vmin)) ||
((_ewpi_pkgs[i].vmaj == pkg.vmaj) &&
(_ewpi_pkgs[i].vmin == pkg.vmin) &&
(_ewpi_pkgs[i].vmic > pkg.vmic)) ||
((_ewpi_pkgs[i].vmaj == pkg.vmaj) &&
(_ewpi_pkgs[i].vmin == pkg.vmin) &&
(_ewpi_pkgs[i].vmic == pkg.vmic) &&
(_ewpi_pkgs[i].vrev > pkg.vrev)))
{
char buf[PATH_MAX];
strcpy(buf, buf_dst);
strcat(buf, "/");
strcat(buf, "downloaded");
unlink(buf);
strcpy(buf, buf_dst);
strcat(buf, "/");
strcat(buf, "extracted");
unlink(buf);
strcpy(buf, buf_dst);
strcat(buf, "/");
strcat(buf, "installed");
unlink(buf);
}
ewpi_map_del(&map);
}
}
else
{
/* Otherwise, the dst directory does not exist, so we create it. */
_ew_mkdir(buf_dst, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
}
/*
* we always copy all the files, in case:
* a new package is installed
* or a build system has changed
* or something else :-)
*/
_ew_copy(buf_git, buf_dst, buf_ewpi);
_ew_copy(buf_git, buf_dst, "install.sh");
_ew_copy(buf_git, buf_dst, "cross_toolchain.txt");
}
if (!getcwd(buf_git, PATH_MAX))
return;
if ((strlen(prefix) + sizeof("/share/ewpi") - 1) > (PATH_MAX))
return;
strcpy(buf_dst, prefix);
strcat(buf_dst, "/share/ewpi");
_ew_copy(buf_git, buf_dst, "common.sh");
}
static void
_ew_packages_status_set()
{
DIR *dir;
struct dirent *f;
dir = opendir(_ew_package_dir_dst);
if (!dir)
return;
while ((f = readdir(dir)))
{
char buf[PATH_MAX];
char buf_pkg[PATH_MAX];
Package *iter;
if ((strcmp(f->d_name, ".") == 0) ||
(strcmp(f->d_name, "..") == 0))
continue;
iter = NULL;
for (int i = 0; i < _ew_package_count_total; i++)
{
if (strcmp(_ewpi_pkgs[i].name, f->d_name) == 0)
{
iter = _ewpi_pkgs + i;
break;
}
}
if (!iter)
{
printf("Can not find the package %s, exiting...\n", f->d_name);
fflush(stdout);
exit(1);
}
strcpy(buf_pkg, _ew_package_dir_dst);
strcat(buf_pkg, "/");
strcat(buf_pkg, f->d_name);
strcat(buf_pkg, "/");
strcpy(buf, buf_pkg);
strcat(buf, "downloaded");
if (_ew_file_exists(buf))
iter->downloaded = 1;
else
_ew_package_count_not_downloaded++;
strcpy(buf, buf_pkg);
strcat(buf, "extracted");
if (_ew_file_exists(buf))
iter->extracted = 1;
else
_ew_package_count_not_extracted++;
strcpy(buf, buf_pkg);
strcat(buf, "installed");
if (_ew_file_exists(buf))
iter->installed = 1;
else
_ew_package_count_not_installed++;
iter++;
}
closedir(dir);
}
static void
_ew_packages_tree(const char *pkg_name)
{
Package pkg;
int idx;
int already_in = 0;
/* get the index of the package */
for (idx = 0; idx < _ew_package_count_total; idx++)
{
if (strcmp(pkg_name, _ewpi_pkgs[idx].name) == 0)
break;
}
pkg = _ewpi_pkgs[idx];
for (int i = 0; i < pkg.deps_count; i++)
_ew_packages_tree(pkg.deps[i]);
for (int i = 0; i < _ew_package_deps_dst_count; i++)
{
if (_ew_package_index[i] == idx)
already_in = 1;
}
if (!already_in)
{
_ew_package_index[_ew_package_deps_dst_count] = idx;
_ew_package_deps_dst_count++;
}
}
static void
_ew_packages_not_installed_disp(void)
{
printf("\nPackages (%d)\n", _ew_package_count_not_installed);
fflush(stdout);
for (int i = 0; i < _ew_package_count_total; i++)
{
int idx = _ew_package_index[i];
if (!_ewpi_pkgs[idx].installed)
printf(" %s-%s\n", _ewpi_pkgs[idx].name, _ewpi_pkgs[idx].version);
}
printf("\n");
fflush(stdout);
}
static void
_ew_packages_download(void)
{
char buf[4096];
Package *iter;
int count;
count = 0;
for (int i = 0; i < _ew_package_count_total; i++)
{
iter = _ewpi_pkgs + _ew_package_index[i];
strcpy(buf, _ew_package_dir_dst);
strcat(buf, "/");
strcat(buf, iter->name);
strcat(buf, "/downloaded");
if (!_ew_file_exists(buf))
count++;
else
iter->downloaded = 1;
}
if (count == 0)
return;
printf(":: Download sources...\n");
fflush(stdout);
for (int i = 0; i < _ew_package_count_total; i++)
{
int ret;
iter = _ewpi_pkgs + _ew_package_index[i];
if (iter->downloaded)
continue;
strcpy(buf, "cd ");
strcat(buf, _ew_package_dir_dst);
strcat(buf, "/");
strcat(buf, iter->name);
strcat(buf, " && ");
if (iter->is_git)
{
if (iter->downloaded)
{
strcat(buf, "git pull");
}
else
{
strcat(buf, "git clone ");
strcat(buf, iter->url);
}
}
else
{
strcat(buf, "wget -q --show-progress --no-check-certificate ");
strcat(buf, iter->url);
}
fflush(stdout);
ret = system(buf);
if (ret != 0)
{
printf("error while downloading package %s (ret = %d)\n", iter->name, ret);
exit(1);
}
else
{
strcpy(buf, "echo 1 > ");
strcat(buf, _ew_package_dir_dst);
strcat(buf, "/");
strcat(buf, iter->name);
strcat(buf, "/downloaded");
system(buf);
if (iter->is_git)
{
strcpy(buf, "echo 1 > ");
strcat(buf, _ew_package_dir_dst);
strcat(buf, "/");
strcat(buf, iter->name);
strcat(buf, "/extracted");
system(buf);
}
}
}
}
static void
_ew_packages_longest_name()
{
Package *iter;
/* compute the largest name (including version) of the packages */
for (int i = 0; i < _ew_package_count_total; i++)
{
iter = _ewpi_pkgs + _ew_package_index[i];
if ((int)(strlen(iter->name) + 1 + strlen(iter->version)) > _ew_package_name_size_max)
_ew_package_name_size_max = strlen(iter->name) + 1 + strlen(iter->version);
}
}
static void
_ew_packages_status_disp(int i, int count, const char *name, const char* version)
{
char buf[4096];
char *iter;
size_t len;
size_t len2;
int nbr_sharp = 40;
int sharp;
int percent;
size_t j;
snprintf(buf, 4095, "(%2d/%d) ", i + 1, count);
len = strlen(buf);
iter = buf + len;
if (name)