From c65dcaf1827a9d433b238ee7052085ce11f494ff Mon Sep 17 00:00:00 2001 From: hjp Date: Wed, 1 Jun 2005 16:34:59 +0000 Subject: [PATCH] *** empty log message *** --- base64/GNUmakefile | 13 +++++++++++ base64/base64.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+) create mode 100644 base64/GNUmakefile create mode 100644 base64/base64.c diff --git a/base64/GNUmakefile b/base64/GNUmakefile new file mode 100644 index 0000000..0c88c28 --- /dev/null +++ b/base64/GNUmakefile @@ -0,0 +1,13 @@ +include GNUmakevars +include GNUmakerules + +base64: base64.o + $(CC) $^ -lant -o $@ + +clean: + rm -f *.o base64 core foo bar + +install: $(BINDIR)/base64 + +distclean: clean + rm -f *.bak *.d diff --git a/base64/base64.c b/base64/base64.c new file mode 100644 index 0000000..4aacdb9 --- /dev/null +++ b/base64/base64.c @@ -0,0 +1,55 @@ +#include +#include +#include +#include +#include +#include + +char *cmnd; + +static void usage(void) { + fprintf(stderr, "Usage: %s [-d|-e]\n", cmnd); + exit(1); +} + +int main(int argc, char **argv) { + char buf1[1024+1]; + char buf2[1024+1]; + enum { NONE, ENCODE, DECODE} mode = NONE; + int c; + int r1, r2; + cmnd = argv[0]; + while ((c = getopt(argc, argv, "de")) != EOF) { + switch(c) { + case 'd': + mode = DECODE; + break; + case 'e': + mode = ENCODE; + break; + case '?': + usage(); + default: + assert(0); + } + } + switch(mode) { + case NONE: + usage(); + case ENCODE: + while ((r1 = fread(buf1, 1, 57, stdin)) > 0) { + r2 = base64_encode(buf2, sizeof(buf2), buf1, r1, 76); + fwrite(buf2, 1, r2, stdout); + putchar('\n'); + } + break; + case DECODE: + while (fgets(buf1, sizeof(buf1), stdin)) { + r1 = strlen(buf1); + if (buf1[r1-1] == '\n') r1--; + r2 = base64_decode(buf2, sizeof(buf2), buf1, r1); + fwrite(buf2, 1, r2, stdout); + } + } + return 0; +}