int read_config (char *configFile) { FILE *file = fopen (configFile, "r"); int i = 0, rc = 0, index = 0; char line[500], temp[100], *ptr; fprintf(fp,"Begin read_config()\n"); fflush(fp); keys = 0; if (file == NULL) { write_empty (configFile); file = fopen (configFile, "r"); } if (file != NULL) { while (fgets (line, sizeof line, file) != NULL) { ptr = strchr (line, '='); if (ptr == NULL) return 1; index = ptr - line - 1; printf ("This is the name length: %d\n", index); strncpy (name[keys], line, index + 1); name[keys][index + 1] = '\0'; index = strlen (line) - index - 3; printf ("This is the val length: %d\n", index); strncpy (value[keys], ptr + 1, index); value[keys][index] = '\0'; printf ("Name[%d]:%s,value[%d]=%s\n", keys, name[keys], keys, value[keys]); keys++; } printf ("Config items length in read_config:%d\n", keys); fclose (file); return 0; } fprintf(fp,"End read_config()\n"); fflush(fp); return 1; }
bool SDCardCreate(u64 disk_size /*in MB*/, const std::string& filename) { u32 sectors_per_fat; u32 sectors_per_disk; // Convert MB to bytes disk_size *= 1024 * 1024; if (disk_size < 0x800000 || disk_size > 0x800000000ULL) { ERROR_LOG(COMMON, "Trying to create SD Card image of size %" PRIu64 "MB is out of range (8MB-32GB)", disk_size / (1024 * 1024)); return false; } // Pretty unlikely to overflow. sectors_per_disk = (u32)(disk_size / 512); sectors_per_fat = get_sectors_per_fat(disk_size, get_sectors_per_cluster(disk_size)); boot_sector_init(s_boot_sector, s_fsinfo_sector, disk_size, nullptr); fat_init(s_fat_head); File::IOFile file(filename, "wb"); FILE* const f = file.GetHandle(); if (!f) { ERROR_LOG(COMMON, "Could not create file '%s', aborting...", filename.c_str()); return false; } /* Here's the layout: * * boot_sector * fsinfo_sector * empty * backup boot sector * backup fsinfo sector * RESERVED_SECTORS - 4 empty sectors (if backup sectors), or RESERVED_SECTORS - 2 (if no backup) * first fat * second fat * zero sectors */ if (write_sector(f, s_boot_sector)) goto FailWrite; if (write_sector(f, s_fsinfo_sector)) goto FailWrite; if (BACKUP_BOOT_SECTOR > 0) { if (write_empty(f, BACKUP_BOOT_SECTOR - 2)) goto FailWrite; if (write_sector(f, s_boot_sector)) goto FailWrite; if (write_sector(f, s_fsinfo_sector)) goto FailWrite; if (write_empty(f, RESERVED_SECTORS - 2 - BACKUP_BOOT_SECTOR)) goto FailWrite; } else { if (write_empty(f, RESERVED_SECTORS - 2)) goto FailWrite; } if (write_sector(f, s_fat_head)) goto FailWrite; if (write_empty(f, sectors_per_fat - 1)) goto FailWrite; if (write_sector(f, s_fat_head)) goto FailWrite; if (write_empty(f, sectors_per_fat - 1)) goto FailWrite; if (write_empty(f, sectors_per_disk - RESERVED_SECTORS - 2 * sectors_per_fat)) goto FailWrite; return true; FailWrite: ERROR_LOG(COMMON, "Could not write to '%s', aborting...", filename.c_str()); if (unlink(filename.c_str()) < 0) ERROR_LOG(COMMON, "unlink(%s) failed: %s", filename.c_str(), GetLastErrorMsg().c_str()); return false; }
int main( int argc, char** argv ) { Wide disk_size; int sectors_per_fat; int sectors_per_disk; char* end; const char* label = NULL; FILE* f = NULL; for ( ; argc > 1 && argv[1][0] == '-'; argc--, argv++ ) { char* arg = argv[1] + 1; switch (arg[0]) { case 'l': if (arg[1] != 0) arg += 2; else { argc--; argv++; if (argc <= 1) usage(); arg = argv[1]; } label = arg; break; default: usage(); } } if (argc != 3) usage(); disk_size = strtoll( argv[1], &end, 10 ); if (disk_size < 0 || (disk_size == 0 && (errno == EINVAL || errno == ERANGE))) { fprintf(stderr, "Invalid argument size '%s'\n\n", argv[1]); usage(); } if (*end == 'K') disk_size *= 1024; else if (*end == 'M') disk_size *= 1024*1024; else if (*end == 'G') disk_size *= 1024*1024*1024; if (disk_size < 9*1024*1024) { fprintf(stderr, "Invalid argument: size '%s' is too small.\n\n", argv[1]); usage(); } else if (disk_size > MAX_DISK_SIZE) { fprintf(stderr, "Invalid argument: size '%s' is too large.\n\n", argv[1]); usage(); } sectors_per_disk = disk_size / BYTES_PER_SECTOR; sectors_per_fat = get_sectors_per_fat( disk_size, get_sectors_per_cluster( disk_size ) ); boot_sector_init( s_boot_sector, s_fsinfo_sector, disk_size, NULL ); fat_init( s_fat_head ); f = fopen( argv[2], "wb" ); if ( !f ) { fprintf(stderr, "Could not create file '%s': %s\n", argv[2], strerror(errno)); goto FailWrite; } /* here's the layout: * * boot_sector * fsinfo_sector * empty * backup boot sector * backup fsinfo sector * RESERVED_SECTORS - 4 empty sectors (if backup sectors), or RESERVED_SECTORS - 2 (if no backup) * first fat * second fat * zero sectors */ if ( write_sector( f, s_boot_sector ) ) goto FailWrite; if ( write_sector( f, s_fsinfo_sector ) ) goto FailWrite; if ( BACKUP_BOOT_SECTOR > 0 ) { if ( write_empty( f, BACKUP_BOOT_SECTOR - 2 ) ) goto FailWrite; if ( write_sector( f, s_boot_sector ) ) goto FailWrite; if ( write_sector( f, s_fsinfo_sector ) ) goto FailWrite; if ( write_empty( f, RESERVED_SECTORS - 2 - BACKUP_BOOT_SECTOR ) ) goto FailWrite; } else if ( write_empty( f, RESERVED_SECTORS - 2 ) ) goto FailWrite; if ( write_sector( f, s_fat_head ) ) goto FailWrite; if ( write_empty( f, sectors_per_fat-1 ) ) goto FailWrite; if ( write_sector( f, s_fat_head ) ) goto FailWrite; if ( write_empty( f, sectors_per_fat-1 ) ) goto FailWrite; if ( write_empty( f, sectors_per_disk - RESERVED_SECTORS - 2*sectors_per_fat ) ) goto FailWrite; fclose(f); return 0; FailWrite: if (f != NULL) { fclose(f); unlink( argv[2] ); fprintf(stderr, "File '%s' was not created.\n", argv[2]); } return 1; }