diff options
| -rw-r--r-- | uuencode.c | 155 |
1 files changed, 77 insertions, 78 deletions
@@ -22,93 +22,92 @@ * SOFTWARE. */ +#define _XOPEN_SOURCE 700 #include <stdio.h> #include <sys/stat.h> #include <sys/types.h> #include <unistd.h> -const char *uuencode_desc = "encode a binary file"; -const char *uuencode_inv = "uuencode [-m] [file] decode_pathname"; - static const char *b64s = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; -static int encode (FILE *in, char *out, int mode, int b64) +static int encode(FILE * in, char *out, int mode, int b64) { - char bin[3], bout[76]; - int nread = 0, lread = 0, lpos = 0; - int linelength = b64 ? 54 : 43; - int i; - - printf ("begin%s %03o %s\n", b64 ? "-base64" : "", mode, out); - - while (!feof(in)) { - nread = fread (bin, sizeof(char), 3, in); - if (nread > 0) { - bout[lpos++] = (bin[0] >> 2) & 0x3f; - bout[lpos++] = ((bin[0] << 4) | ((bin[1] >> 4) & 0xf)) & 0x3f; - bout[lpos++] = ((bin[1] << 2) | ((bin[2] >> 6) & 0x3)) & 0x3f; - bout[lpos++] = (bin[2]) & 0x3f; - bin[0] = bin[1] = bin[2] = 0; - lread += nread; - } - - if (feof (in) || nread == 0 || lread > linelength) { - for (i = 0; i < lpos; i++) - bout[i] = b64 ? b64s[bout[i]] : bout[i] + 0x20; - - if (b64) { - if (nread == 1) - bout[lpos-2] = '='; - if (nread == 1 || nread == 2) - bout[lpos-1] = '='; - } - - if (!b64) - putchar (0x20 + lread); - fwrite (bout, sizeof (char), lpos, stdout); - fputc ('\n', stdout); - lread = 0; - lpos = 0; - } - } - - if (b64) - printf ("====\n"); - else - printf ("%c\nend\n", 0x20); - - return 0; + char bin[3], bout[76]; + int nread = 0, lread = 0, lpos = 0; + int linelength = b64 ? 54 : 43; + int i; + + printf("begin%s %03o %s\n", b64 ? "-base64" : "", mode, out); + + while (!feof(in)) { + nread = fread(bin, sizeof(char), 3, in); + if (nread > 0) { + bout[lpos++] = (bin[0] >> 2) & 0x3f; + bout[lpos++] = + ((bin[0] << 4) | ((bin[1] >> 4) & 0xf)) & 0x3f; + bout[lpos++] = + ((bin[1] << 2) | ((bin[2] >> 6) & 0x3)) & 0x3f; + bout[lpos++] = (bin[2]) & 0x3f; + bin[0] = bin[1] = bin[2] = 0; + lread += nread; + } + + if (feof(in) || nread == 0 || lread > linelength) { + for (i = 0; i < lpos; i++) + bout[i] = b64 ? b64s[bout[i]] : bout[i] + 0x20; + + if (b64) { + if (nread == 1) + bout[lpos - 2] = '='; + if (nread == 1 || nread == 2) + bout[lpos - 1] = '='; + } + + if (!b64) + putchar(0x20 + lread); + fwrite(bout, sizeof(char), lpos, stdout); + fputc('\n', stdout); + lread = 0; + lpos = 0; + } + } + + if (b64) + printf("====\n"); + else + printf("%c\nend\n", 0x20); + + return 0; } -int -main(int argc, char **argv) +int main(int argc, char *argv[]) { - int b64 = 0, mode = 0644, c; - FILE *input; - struct stat st; - - while ((c = getopt(argc, argv, ":m")) != -1) { - switch (c) { - case 'm': - b64 = 1; - break; - default: - return 1; - } - } - - if (argc - optind == 2) { - input = fopen (argv[optind++], "r"); - if (fstat (fileno(input), &st) == 0) - mode = st.st_mode & 0777; - } else if (argc - optind == 1) - input = stdin; - else - return 1; - - if (input == NULL) - return 1; // File I/O error - - return encode (input, argv[optind], mode, b64); + int b64 = 0, mode = 0644, c; + FILE *input; + struct stat st; + + while ((c = getopt(argc, argv, ":m")) != -1) { + switch (c) { + case 'm': + b64 = 1; + break; + default: + return 1; + } + } + + if (argc - optind == 2) { + input = fopen(argv[optind++], "r"); + if (fstat(fileno(input), &st) == 0) + mode = st.st_mode & 0777; + } else if (argc - optind == 1) + input = stdin; + else + return 1; + + if (input == NULL) + return 1; // File I/O error + + return encode(input, argv[optind], mode, b64); } |