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#include "weekly.h"
#if HAVE_MSVC
int dir_empty (const char *path) {
HANDLE hd;
WIN32_FIND_DATA data;
size_t i;
char winpath[PATH_MAX] = {0};
i = 0;
sprintf(winpath, "%s%c*.*", path, DIRSEP_C);
if ((hd = FindFirstFile(path, &data)) != INVALID_HANDLE_VALUE) {
do {
i++;
} while (FindNextFile(hd, &data) != 0);
FindClose(hd);
} else {
return -1;
}
return i != 0;
}
#else
int dir_empty(const char *path) {
DIR *dir;
struct dirent *dp;
size_t i;
dir = opendir(path);
if (!dir) {
return -1;
}
i = 0;
while ((dp = readdir(dir)) != NULL) {
if (strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0) {
continue;
}
i++;
}
closedir(dir);
return i != 0;
}
#endif
char *find_program(const char *name) {
#if HAVE_WINDOWS
int found_extension;
#endif
static char exe[PATH_MAX] = {0};
char *token;
char *pathvar;
char *abs_prefix[] = {
"/", "./", ".\\"
};
for (size_t i = 0; i < sizeof(abs_prefix) / sizeof(char *); i++) {
if ((strlen(name) > 1 && name[1] == ':') || !strncmp(name, abs_prefix[i], strlen(abs_prefix[i]))) {
strcpy(exe, name);
return exe;
}
}
pathvar = getenv(PATHVAR);
if (!pathvar) {
return NULL;
}
token = strtok(pathvar, PATHSEP_S);
while (token != NULL) {
char filename[PATH_MAX] = {0};
sprintf(filename, "%s%c%s", token, DIRSEP_C, name);
#if HAVE_WINDOWS
// I am aware of PATHEXT. Let's stick to binary executables and shell scripts
char *ext[] = {".bat", ".cmd", ".com", ".exe"};
char filename_orig[PATH_MAX] = {0};
found_extension = 0;
for (size_t i = 0; i < sizeof(ext) / sizeof(char *); i++) {
if (strstr(filename, ext[i]) != NULL) {
found_extension = 1;
break;
}
}
if (!found_extension) {
for (size_t i = 0; i < sizeof(ext) / sizeof(char *); i++) {
strcpy(filename_orig, filename);
strcat(filename, ext[i]);
if (access(filename, F_OK) == 0) {
strcpy(exe, filename);
return exe;
}
strcpy(filename, filename_orig);
}
} else {
if (access(filename, F_OK) == 0) {
strcpy(exe, filename);
return exe;
}
}
#else
if (access(filename, F_OK) == 0) {
strcpy(exe, filename);
return exe;
}
#endif
token = strtok(NULL, PATHSEP_S);
}
return NULL;
}
ssize_t get_file_size(const char *filename) {
ssize_t result;
FILE *fp;
fp = fopen(filename, "r");
if (!fp) {
return -1;
}
fseek(fp, 0, SEEK_END);
result = ftell(fp);
fclose(fp);
return result;
}
char *init_tempfile(const char *basepath, const char *ident, char *data) {
FILE *fp;
char *filename;
filename = calloc(PATH_MAX, sizeof(char));
sprintf(filename, "%s%cweekly_%s.XXXXXX", basepath, DIRSEP_C, ident);
if ((mkstemp(filename)) < 0) {
return NULL;
}
unlink(filename);
fp = fopen(filename, "w+b");
if (!fp) {
return NULL;
}
if (data != NULL) {
fwrite(data, sizeof(char), strlen(data), fp);
//fprintf(fp, "%s\n", data);
}
fclose(fp);
if (chmod(filename, 0600) < 0) {
return NULL;
}
return filename;
}
int make_path(char *basepath) {
return mkdir(basepath, 0755);
}
char *make_output_path(char *basepath, char *path, int year, int week, int day_of_week) {
strcpy(path, basepath);
// Add trailing slash if it's not there
if (strlen(basepath) > 0 && strlen(basepath) - 1 != DIRSEP_C) {
strcat(path, DIRSEP_S);
}
make_path(path);
// year
sprintf(path + strlen(path), "%d%c", year, DIRSEP_C);
make_path(path);
// week of year
sprintf(path + strlen(path), "%d%c", week, DIRSEP_C);
make_path(path);
// day of that week
sprintf(path + strlen(path), "%d", day_of_week);
return path;
}
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