From deab9deadc372fe1a367aef2e78c0d8f2885bf23 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 17 Oct 1995 00:41:39 +0000 Subject: * Makefile (subdirs): Replace stdio with stdio-common and $(stdio). * configure.in: Grok arg --enable-libio. ($stdio = libio): Define USE_IN_LIBIO. * config.h.in (USE_IN_LIBIO): Add #undef. * config.make.in (stdio): New variable, set by configure. * Makeconfig (stdio): New variable. * stdio.h [USE_IN_LIBIO]: Include libio/stdio.h instead of stdio/stdio.h. * stdio-common/Makefile: New file. * stdio/Makefile: Half the contents moved to stdio-common/Makefile. * stdio/_itoa.c: Moved to stdio-common. * stdio/_itoa.h: Moved to stdio-common. * stdio/asprintf.c: Moved to stdio-common. * stdio/bug1.c: Moved to stdio-common. * stdio/bug1.input: Moved to stdio-common. * stdio/bug2.c: Moved to stdio-common. * stdio/bug3.c: Moved to stdio-common. * stdio/bug4.c: Moved to stdio-common. * stdio/bug5.c: Moved to stdio-common. * stdio/bug6.c: Moved to stdio-common. * stdio/bug6.input: Moved to stdio-common. * stdio/bug7.c: Moved to stdio-common. * stdio/dprintf.c: Moved to stdio-common. * stdio/errnobug.c: Moved to stdio-common. * stdio/getline.c: Moved to stdio-common. * stdio/getw.c: Moved to stdio-common. * stdio/perror.c: Moved to stdio-common. * stdio/printf-parse.h: Moved to stdio-common. * stdio/printf-prs.c: Moved to stdio-common. * stdio/printf.c: Moved to stdio-common. * stdio/printf.h: Moved to stdio-common. * stdio/printf_fp.c: Moved to stdio-common. * stdio/psignal.c: Moved to stdio-common. * stdio/putw.c: Moved to stdio-common. * stdio/reg-printf.c: Moved to stdio-common. * stdio/scanf.c: Moved to stdio-common. * stdio/snprintf.c: Moved to stdio-common. * stdio/sprintf.c: Moved to stdio-common. * stdio/sscanf.c: Moved to stdio-common. * stdio/tempnam.c: Moved to stdio-common. * stdio/temptest.c: Moved to stdio-common. * stdio/test-fseek.c: Moved to stdio-common. * stdio/test-fwrite.c: Moved to stdio-common. * stdio/test-popen.c: Moved to stdio-common. * stdio/test_rdwr.c: Moved to stdio-common. * stdio/tmpfile.c: Moved to stdio-common. * stdio/tmpnam.c: Moved to stdio-common. * stdio/tst-fileno.c: Moved to stdio-common. * stdio/tst-printf.c: Moved to stdio-common. * stdio/tstgetln.c: Moved to stdio-common. * stdio/tstgetln.input: Moved to stdio-common. * stdio/tstscanf.c: Moved to stdio-common. * stdio/tstscanf.input: Moved to stdio-common. * stdio/vfprintf.c: Moved to stdio-common. * stdio/vfscanf.c: Moved to stdio-common. * stdio/vprintf.c: Moved to stdio-common. * stdio/xbug.c: Moved to stdio-common. * sysdeps/generic/Makefile (siglist.c rules): Do this in subdir stdio-common instead of stdio. * sysdeps/unix/Makefile (errlist.c rules): Likewise. * stdio-common/asprintf.c [USE_IN_LIBIO]: Call libio primitive function. * stdio-common/dprintf.c: Likewise. * stdio-common/printf.c: Likewise. * stdio-common/scanf.c: Likewise. * stdio-common/snprintf.c: Likewise. * stdio-common/sprintf.c: Likewise. * stdio-common/sscanf.c: Likewise. * stdio-common/vprintf.c: Likewise. * Makerules: Include $(+depfiles) directly instead of generating depend-$(subdir). (depend-$(subdir)): Target removed. (common-clean): Don't remove depend-$(subdir). --- stdio-common/xbug.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 stdio-common/xbug.c (limited to 'stdio-common/xbug.c') diff --git a/stdio-common/xbug.c b/stdio-common/xbug.c new file mode 100644 index 0000000000..ec648f5566 --- /dev/null +++ b/stdio-common/xbug.c @@ -0,0 +1,63 @@ +#include + +typedef struct _Buffer { + char *buff; + int room, used; +} Buffer; + +#define INIT_BUFFER_SIZE 10000 + +void InitBuffer(b) + Buffer *b; +{ + b->room = INIT_BUFFER_SIZE; + b->used = 0; + b->buff = (char *)malloc(INIT_BUFFER_SIZE*sizeof(char)); +} + +void AppendToBuffer(b, str, len) + register Buffer *b; + char *str; + register int len; +{ + while (b->used + len > b->room) { + b->buff = (char *)realloc(b->buff, 2*b->room*(sizeof(char))); + b->room *= 2; + } + strncpy(b->buff + b->used, str, len); + b->used += len; +} + +void ReadFile(buffer, input) + register Buffer *buffer; + FILE *input; +{ + char buf[BUFSIZ + 1]; + register int bytes; + + buffer->used = 0; + while (!feof(input) && (bytes = fread(buf, 1, BUFSIZ, input)) > 0) { + AppendToBuffer(buffer, buf, bytes); + } + AppendToBuffer(buffer, "", 1); +} + +main() +{ + char * filename = "xbug.c"; + FILE *input; + Buffer buffer; + + InitBuffer(&buffer); + + if (!freopen (filename, "r", stdin)) + fprintf(stderr, "cannot open file\n"); + + if (!(input = popen("/bin/cat", "r"))) + fprintf(stderr, "cannot run \n"); + + ReadFile(&buffer, input); + pclose(input); + + return 0; +} -- cgit v1.2.3