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authorRoland McGrath <roland@gnu.org>1995-10-17 00:41:39 +0000
committerRoland McGrath <roland@gnu.org>1995-10-17 00:41:39 +0000
commitdeab9deadc372fe1a367aef2e78c0d8f2885bf23 (patch)
tree367eaf76a86934f3883f950da5719ca581185ca5 /stdio-common/xbug.c
parent10fd03c6014206b3775be893727f282c4c709ebf (diff)
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* 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).
Diffstat (limited to 'stdio-common/xbug.c')
-rw-r--r--stdio-common/xbug.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/stdio-common/xbug.c b/stdio-common/xbug.c
new file mode 100644
index 0000000..ec648f5
--- /dev/null
+++ b/stdio-common/xbug.c
@@ -0,0 +1,63 @@
+#include <stdio.h>
+
+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;
+}