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-rw-r--r--util/nvramtool/hexdump.c41
-rw-r--r--util/nvramtool/hexdump.h24
-rw-r--r--util/nvramtool/lbtable.c2
-rw-r--r--util/nvramtool/nvramtool.c2
4 files changed, 7 insertions, 62 deletions
diff --git a/util/nvramtool/hexdump.c b/util/nvramtool/hexdump.c
index 405703fe73..320b4d9f45 100644
--- a/util/nvramtool/hexdump.c
+++ b/util/nvramtool/hexdump.c
@@ -46,8 +46,7 @@
static void addrprint(FILE * outfile, uint64_t address, int width);
static void hexprint(FILE * outfile, unsigned char byte);
static void charprint(FILE * outfile, unsigned char byte,
- unsigned char nonprintable,
- is_printable_fn_t is_printable_fn);
+ unsigned char nonprintable);
/*--------------------------------------------------------------------------
* hexdump
@@ -70,17 +69,11 @@ void hexdump(const void *mem, int bytes, uint64_t addrprint_start,
{
int bytes_left, index, i;
const unsigned char *p;
- is_printable_fn_t is_printable_fn;
/* Quietly return if the caller asks us to do something unreasonable. */
if ((format->bytes_per_line <= 0) || (bytes < 0))
return;
- is_printable_fn = format->is_printable_fn;
-
- if (is_printable_fn == NULL)
- is_printable_fn = default_is_printable_fn;
-
p = (const unsigned char *)mem;
index = 0;
@@ -112,8 +105,7 @@ void hexdump(const void *mem, int bytes, uint64_t addrprint_start,
/* display the bytes as characters */
for (i = 0; i < format->bytes_per_line; i++)
- charprint(outfile, p[index++], format->nonprintable,
- is_printable_fn);
+ charprint(outfile, p[index++], format->nonprintable);
fprintf(outfile, "\n");
}
@@ -148,8 +140,7 @@ void hexdump(const void *mem, int bytes, uint64_t addrprint_start,
/* display bytes for last line as characters */
for (i = 0; i < bytes_left; i++)
- charprint(outfile, p[index++], format->nonprintable,
- is_printable_fn);
+ charprint(outfile, p[index++], format->nonprintable);
/* pad the rest of the character area with spaces */
for (; i < format->bytes_per_line; i++)
@@ -159,25 +150,6 @@ void hexdump(const void *mem, int bytes, uint64_t addrprint_start,
}
/*--------------------------------------------------------------------------
- * default_is_printable_fn
- *
- * Determine whether the input character is printable. The proper behavior
- * for this type of function may be system-dependent. This function takes a
- * conservative approach. If it is not adequate for your purposes, you can
- * write your own.
- *
- * parameters:
- * c: the input character
- *
- * return value:
- * Return 1 if the input character is printable. Otherwise return 0.
- *--------------------------------------------------------------------------*/
-int default_is_printable_fn(unsigned char c)
-{
- return (c >= 0x20) && (c <= 0x7e);
-}
-
-/*--------------------------------------------------------------------------
* addrprint
*
* Display an address as a hexadecimal number.
@@ -245,12 +217,9 @@ static void hexprint(FILE * outfile, unsigned char byte)
* byte: the byte to display
* nonprintable: a substitute character to display if the byte
* represents a nonprintable character
- * is_printable_fn: a function that returns a boolean value indicating
- * whether a given character is printable
*--------------------------------------------------------------------------*/
static void charprint(FILE * outfile, unsigned char byte,
- unsigned char nonprintable,
- is_printable_fn_t is_printable_fn)
+ unsigned char nonprintable)
{
- fprintf(outfile, "%c", is_printable_fn(byte) ? byte : nonprintable);
+ fprintf(outfile, "%c", ((byte >= 0x20) && (byte <= 0x7e)) ? byte : nonprintable);
}
diff --git a/util/nvramtool/hexdump.h b/util/nvramtool/hexdump.h
index a63ec02f98..14c4bbfd4a 100644
--- a/util/nvramtool/hexdump.h
+++ b/util/nvramtool/hexdump.h
@@ -48,8 +48,6 @@
#include <sys/types.h>
#include <stdio.h>
-typedef int (*is_printable_fn_t) (unsigned char c);
-
/*--------------------------------------------------------------------------
* hexdump_format_t
*
@@ -75,11 +73,6 @@ typedef int (*is_printable_fn_t) (unsigned char c);
* characters. It serves as a separator.
* nonprintable: This is a substitute character to display in place
* of nonprintable characters.
- * is_printable_fn: This is a user-supplied function that takes a byte
- * value as input and returns a boolean value
- * indicating whether the corresponding character is
- * printable. A value of NULL will cause
- * default_is_printable_fn to be used.
*--------------------------------------------------------------------------*/
typedef struct {
int bytes_per_line;
@@ -89,7 +82,6 @@ typedef struct {
const char *sep2;
const char *sep3;
unsigned char nonprintable;
- is_printable_fn_t is_printable_fn;
} hexdump_format_t;
/*--------------------------------------------------------------------------
@@ -111,20 +103,4 @@ typedef struct {
void hexdump(const void *mem, int bytes, uint64_t addrprint_start,
FILE * outfile, const hexdump_format_t * format);
-/*--------------------------------------------------------------------------
- * default_is_printable_fn
- *
- * Determine whether the input character is printable. The proper behavior
- * for this type of function may be system-dependent. This function appears
- * to work well on a Linux system. However, if it is not adequate for your
- * purposes, you can write your own.
- *
- * parameters:
- * c: the input character
- *
- * return value:
- * Return 1 if the input character is printable. Otherwise return 0.
- *--------------------------------------------------------------------------*/
-int default_is_printable_fn(unsigned char c);
-
#endif /* _HEXDUMP_H */
diff --git a/util/nvramtool/lbtable.c b/util/nvramtool/lbtable.c
index 0a502a4722..3753737b7e 100644
--- a/util/nvramtool/lbtable.c
+++ b/util/nvramtool/lbtable.c
@@ -234,7 +234,7 @@ static const struct lb_header *lbtable = NULL;
static const struct cmos_option_table *cmos_table = NULL;
static const hexdump_format_t format =
- { 12, 4, " ", " | ", " ", " | ", '.', NULL };
+ { 12, 4, " ", " | ", " ", " | ", '.' };
/****************************************************************************
* vtophys
diff --git a/util/nvramtool/nvramtool.c b/util/nvramtool/nvramtool.c
index 89ddf31d71..e82d0ac9d8 100644
--- a/util/nvramtool/nvramtool.c
+++ b/util/nvramtool/nvramtool.c
@@ -85,7 +85,7 @@ static const op_fn_t op_fns[] = { op_show_version,
};
static const hexdump_format_t cmos_dump_format =
- { 16, 2, "", " | ", " ", " | ", '.', NULL };
+ { 16, 2, "", " | ", " ", " | ", '.' };
/****************************************************************************
* main