diff options
Diffstat (limited to 'coreutils')
| -rw-r--r-- | coreutils/uuencode.c | 66 |
1 files changed, 6 insertions, 60 deletions
diff --git a/coreutils/uuencode.c b/coreutils/uuencode.c index 1449d9aeb..1a8882fc7 100644 --- a/coreutils/uuencode.c +++ b/coreutils/uuencode.c @@ -10,60 +10,6 @@ #include "busybox.h" -/* Conversion table. for base 64 */ -static const char tbl_base64[65] = { - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', - 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', - 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', - 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', - 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', - 'w', 'x', 'y', 'z', '0', '1', '2', '3', - '4', '5', '6', '7', '8', '9', '+', '/', - '=' /* termination character */ -}; - -static const char tbl_std[65] = { - '`', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', - '`' /* termination character */ -}; - -/* - * Encode the string S of length LENGTH to base64 format and place it - * to STORE. STORE will be 0-terminated, and must point to a writable - * buffer of at least 1+BASE64_LENGTH(length) bytes. - * where BASE64_LENGTH(len) = (4 * ((LENGTH + 2) / 3)) - */ -static void uuencode (const unsigned char *s, char *store, const int length, const char *tbl) -{ - int i; - char *p = store; - - /* Transform the 3x8 bits to 4x6 bits, as required by base64. */ - for (i = 0; i < length; i += 3) { - *p++ = tbl[s[0] >> 2]; - *p++ = tbl[((s[0] & 3) << 4) + (s[1] >> 4)]; - *p++ = tbl[((s[1] & 0xf) << 2) + (s[2] >> 6)]; - *p++ = tbl[s[2] & 0x3f]; - s += 3; - } - /* Pad the result if necessary... */ - if (i == length + 1) { - *(p - 1) = tbl[64]; - } - else if (i == length + 2) { - *(p - 1) = *(p - 2) = tbl[64]; - } - /* ...and zero-terminate it. */ - *p = '\0'; -} #define SRC_BUF_SIZE 45 // This *MUST* be a multiple of 3 #define DST_BUF_SIZE 4 * ((SRC_BUF_SIZE + 2) / 3) @@ -80,9 +26,9 @@ int uuencode_main(int argc, char **argv) RESERVE_CONFIG_BUFFER(src_buf, SRC_BUF_SIZE + 1); RESERVE_CONFIG_BUFFER(dst_buf, DST_BUF_SIZE + 1); - tbl = tbl_std; + tbl = bb_uuenc_tbl_std; if (bb_getopt_ulflags(argc, argv, "m") & 1) { - tbl = tbl_base64; + tbl = bb_uuenc_tbl_base64; } switch (argc - optind) { @@ -101,7 +47,7 @@ int uuencode_main(int argc, char **argv) bb_show_usage(); } - bb_printf("begin%s %o %s", tbl == tbl_std ? "" : "-base64", mode, argv[argc - 1]); + bb_printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, argv[argc - 1]); while ((size = fread(src_buf, 1, src_buf_size, src_stream)) > 0) { if (size != src_buf_size) { @@ -111,17 +57,17 @@ int uuencode_main(int argc, char **argv) memset(&src_buf[size], 0, src_buf_size - size); } /* Encode the buffer we just read in */ - uuencode((unsigned char*)src_buf, dst_buf, size, tbl); + bb_uuencode((unsigned char*)src_buf, dst_buf, size, tbl); putchar('\n'); - if (tbl == tbl_std) { + if (tbl == bb_uuenc_tbl_std) { putchar(tbl[size]); } if (fwrite(dst_buf, 1, write_size, stdout) != write_size) { bb_perror_msg_and_die(bb_msg_write_error); } } - bb_printf(tbl == tbl_std ? "\n`\nend\n" : "\n====\n"); + bb_printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n"); xferror(src_stream, "source"); /* TODO - Fix this! */ |