Load sg3_utils-1.05 into trunk/.

git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@34 6180dd3e-e324-4e3e-922d-17de1ae2f315

2 files changed, 229 insertions, 0 deletions

diff --git a/utils/Makefile b/utils/Makefile
new file mode 100644
index 00000000..35060548
--- /dev/null
+++ b/utils/Makefile
@@ -0,0 +1,58 @@
+SHELL = /bin/sh
+
+PREFIX=/usr/local
+INSTDIR=$(DESTDIR)/$(PREFIX)/bin
+MANDIR=$(DESTDIR)/$(PREFIX)/man
+
+CC = gcc
+LD = gcc
+
+EXECS = hxascdmp
+
+MAN_PGS = 
+MAN_PREF = man8
+
+LARGE_FILE_FLAGS = -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+
+CFLAGS = -g -O2 -Wall -D_REENTRANT $(LARGE_FILE_FLAGS)
+# CFLAGS = -g -O2 -Wall -D_REENTRANT -DSG_KERNEL_INCLUDES $(LARGE_FILE_FLAGS)
+# CFLAGS = -g -O2 -Wall -pedantic -D_REENTRANT $(LARGE_FILE_FLAGS)
+
+LDFLAGS =
+
+all: $(EXECS)
+
+depend dep:
+	for i in *.c; do $(CC) $(INCLUDES) $(CFLAGS) -M $$i; \
+	done > .depend
+
+clean:
+	/bin/rm -f *.o $(EXECS) core .depend
+
+hxascdmp: hxascdmp.o
+	$(LD) -o $@ $(LDFLAGS) $^
+
+
+install: $(EXECS)
+	install -d $(INSTDIR)
+	for name in $^; \
+	 do install -s -o root -g root -m 755 $$name $(INSTDIR); \
+	done
+	install -d $(MANDIR)/$(MAN_PREF)
+	for mp in $(MAN_PGS); \
+	 do install -o root -g root -m 644 $$mp $(MANDIR)/$(MAN_PREF); \
+	 gzip -9f $(MANDIR)/$(MAN_PREF)/$$mp; \
+	done
+
+uninstall:
+	dists="$(EXECS)"; \
+	for name in $$dists; do \
+	 rm -f $(INSTDIR)/$$name; \
+	done
+	for mp in $(MAN_PGS); do \
+	 rm -f $(MANDIR)/$(MAN_PREF)/$$mp.gz; \
+	done
+
+ifeq (.depend,$(wildcard .depend))
+include .depend
+endif
diff --git a/utils/hxascdmp.c b/utils/hxascdmp.c
new file mode 100644
index 00000000..467e3a7c
--- /dev/null
+++ b/utils/hxascdmp.c
@@ -0,0 +1,171 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#define DEF_BYTES_PER_LINE 16
+
+static int bytes_per_line = DEF_BYTES_PER_LINE;
+
+#define CHARS_PER_HEX_BYTE 3
+#define BINARY_START_COL 6
+#define MAX_LINE_LENGTH 257
+
+
+static void dStrHex(const char* str, int len, long start)
+{
+    const char* p = str;
+    unsigned char c;
+    char buff[MAX_LINE_LENGTH];
+    long a = start;
+    const int bpstart = BINARY_START_COL;
+    const int cpstart = BINARY_START_COL + 
+			((CHARS_PER_HEX_BYTE * bytes_per_line) + 1) + 5;
+    int cpos = cpstart;
+    int bpos = bpstart;
+    int midline_space = (bytes_per_line / 2) + 1;
+    int i, k, line_length;
+    
+    if (len <= 0) 
+	return;
+    line_length = BINARY_START_COL + 
+	          (bytes_per_line * (1 + CHARS_PER_HEX_BYTE)) + 7;
+    if (line_length >= MAX_LINE_LENGTH)
+    {
+	fprintf(stderr, "bytes_per_line causes maximum line length of %d "
+			"to be exceeded\n", MAX_LINE_LENGTH);
+	return;
+    }
+    memset(buff, ' ', line_length);
+    buff[line_length] = '\0';
+    k = sprintf(buff + 1, "%.2lx", a);
+    buff[k + 1] = ' ';
+    if (bpos >= ((bpstart + (midline_space * CHARS_PER_HEX_BYTE))))
+        bpos++;
+
+    for(i = 0; i < len; i++)
+    {
+        c = *p++;
+        bpos += CHARS_PER_HEX_BYTE;
+        if (bpos == (bpstart + (midline_space * CHARS_PER_HEX_BYTE)))
+            bpos++;
+        sprintf(&buff[bpos], "%.2x", (int)(unsigned char)c);
+        buff[bpos + 2] = ' ';
+        if ((c < ' ') || (c >= 0x7f))
+            c='.';
+        buff[cpos++] = c;
+        if (cpos >= (cpstart + bytes_per_line))
+        {
+            printf("%s\n", buff);
+            bpos = bpstart;
+            cpos = cpstart;
+            a += bytes_per_line;
+            memset(buff,' ', line_length);
+            k = sprintf(buff + 1, "%.2lx", a);
+            buff[k + 1] = ' ';
+        }
+    }
+    if (cpos > cpstart)
+        printf("%s\n", buff);
+}
+
+
+static void usage()
+{
+    fprintf(stderr, "Usage: hxascdmp [-b=<n>] [-h] [-?] [file+] \n");
+    fprintf(stderr, "  Sends hex ASCII dump of stdin/file to stdout\n");
+    fprintf(stderr, "  where:\n");
+    fprintf(stderr, "          -b=<n>         bytes per line to display "
+		    "(def: 16)\n");
+    fprintf(stderr, "          -h             print this usage message\n");
+    fprintf(stderr, "          -?             print this usage message\n");
+    fprintf(stderr, "          file           reads file(s) and outputs it "
+		    "as hex ASCII\n");
+    fprintf(stderr, "                         if no files reads stdin\n");
+}
+
+int main(int argc, const char ** argv)
+{
+    char buff[8192];
+    int num = 8192;
+    long start = 0;
+    int res, k, u;
+    int inFile = 0;	/* stdin */
+    int doHelp = 0;
+    int hasFilename = 0;
+
+    for (k = 1; k < argc; k++)
+    {
+	if (0 == strncmp("-b=", argv[k], 3)) 
+	{
+	    res = sscanf(argv[k] + 3, "%d", &u);
+	    if ((1 != res) || (u < 1)) 
+	    {
+		printf("Bad value after '-b' switch\n");
+		usage();
+		return 1;
+	    }
+	    bytes_per_line = u;
+	}
+    	else if (0 == strcmp("-h", argv[k]))
+    	    doHelp = 1;
+    	else if (0 == strcmp("-?", argv[k]))
+    	    doHelp = 1;
+	else if (*argv[k] == '-')
+	{
+	    fprintf(stderr, "unknown switch: %s\n", argv[k]);
+	    usage();
+	    return 1;
+	}
+	else
+	{
+	    hasFilename = 1;
+	    break;
+	}
+    }
+    if (doHelp)
+    {
+	usage();
+	return 0;
+    }
+
+    /* Make sure num to fetch is integral multiple of bytes_per_line */
+    if (0 != (num % bytes_per_line))
+	num = (num / bytes_per_line) * bytes_per_line;
+
+    if (hasFilename)
+    {
+	for ( ; k < argc; k++)
+	{
+	    inFile = open(argv[k], O_RDONLY);
+	    if (inFile < 0)
+	    {
+	    	fprintf(stderr, "Couldn't open file: %s\n", argv[k]);
+	    }
+	    else
+	    {
+	    	start = 0;
+	    	printf("ASCII hex dump of file: %s\n", argv[k]);
+		while ((res = read(inFile, buff, num)) > 0)
+		{
+		    dStrHex(buff, res, start);
+		    start += (long)res;
+		}
+	    }
+	    close(inFile);
+	    printf("\n");
+	}
+    }
+    else
+    {
+	while ((res = read(inFile, buff, num)) > 0)
+	{
+	    dStrHex(buff, res, start);
+	    start += (long)res;
+	}
+    }
+    return 0;
+}