129 lines
2.4 KiB
C
129 lines
2.4 KiB
C
#include <string.h>
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#include <stdarg.h>
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#ifdef LINUX
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <stdio.h>
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#include <errno.h>
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#endif
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#include "lephisto.h"
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#include "log.h"
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#include "lfile.h"
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// Return lephisto's base path.
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static char lephisto_base[128] = "\0";
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char* lfile_basePath(void) {
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char* home;
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if(lephisto_base[0] == '\0') {
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#ifdef LINUX
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home = getenv("HOME");
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#endif
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snprintf(lephisto_base, PATH_MAX, "%s/.lephisto/", home);
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}
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return lephisto_base;
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}
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// Check if a directory exists, and create it if it doesn't.
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// Based on lephisto_base.
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int lfile_dirMakeExist(char* path) {
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char file[PATH_MAX];
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#ifdef LINUX
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struct stat buf;
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if(strcmp(path, ".")==0)
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strncpy(file, lfile_basePath(), PATH_MAX);
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else
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snprintf(file, PATH_MAX, "%s%s", lfile_basePath(), path);
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stat(file, &buf);
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if(!S_ISDIR(buf.st_mode))
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if(mkdir(file, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
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WARN("Dir '%s' does not exist and unable to create", path);
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return -1;
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}
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#endif
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return 0;
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}
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// Check if a file exists.
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int lfile_fileExists(char* path, ...) {
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char file[PATH_MAX], name[PATH_MAX];
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va_list ap;
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size_t l;
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l = 0;
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if(path == NULL) return -1;
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else { // Get the message.
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va_start(ap, path);
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vsnprintf(name, PATH_MAX-l, path, ap);
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l = strlen(name);
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va_end(ap);
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}
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snprintf(file, PATH_MAX, "%s%s", lfile_basePath(), name);
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#ifdef LINUX
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struct stat buf;
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if(stat(file, &buf)==0) // Stat worked, file must exist.
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return 1;
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#endif
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return 0;
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}
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// List all the files in a dir (besides . and ..).
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char** lfile_readDir(int* lfiles, char* path) {
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char file[PATH_MAX];
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char** files;
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snprintf(file, PATH_MAX, "%s%s", lfile_basePath(), path);
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#ifdef LINUX
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DIR* d;
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struct dirent *dir;
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char* name;
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int mfiles;
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(*lfiles) = 0;
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mfiles = 100;
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files = malloc(sizeof(char*)*mfiles);
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d = opendir(file);
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if(d == NULL) {
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return NULL;
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}
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while((dir = readdir(d)) != NULL) {
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name = dir->d_name;
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if((strcmp(name, ".")==0) || (strcmp(name, "..")==0))
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continue;
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if((*lfiles)+1 > mfiles) {
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mfiles += 100;
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files = realloc(files, sizeof(char*) * mfiles);
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}
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files[(*lfiles)] = strdup(name);
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(*lfiles)++;
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}
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closedir(d);
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#endif
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// What if we find nothing?
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if((*lfiles) = 0) {
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free(files);
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files = NULL;
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}
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return files;
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}
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