summaryrefslogtreecommitdiff
path: root/libbb/dump.c
diff options
context:
space:
mode:
authorGlenn L McGrath2002-08-22 18:41:20 +0000
committerGlenn L McGrath2002-08-22 18:41:20 +0000
commit9fef17dec333e17b1f24bc729d3b16725f4ccc75 (patch)
tree87eca9d8c978b9ea4736e05e4c480d51097e0319 /libbb/dump.c
parent7c58e9be69b2a3f52977879b1a300579c9914b29 (diff)
downloadbusybox-9fef17dec333e17b1f24bc729d3b16725f4ccc75.zip
busybox-9fef17dec333e17b1f24bc729d3b16725f4ccc75.tar.gz
Run through indent, fix comments
Diffstat (limited to 'libbb/dump.c')
-rw-r--r--libbb/dump.c398
1 files changed, 222 insertions, 176 deletions
diff --git a/libbb/dump.c b/libbb/dump.c
index 8bd683f..1afad83 100644
--- a/libbb/dump.c
+++ b/libbb/dump.c
@@ -30,21 +30,21 @@
enum _vflag vflag = FIRST;
FS *fshead; /* head of format strings */
-extern FS *fshead; /* head of format strings */
+extern FS *fshead; /* head of format strings */
extern int blocksize;
static FU *endfu;
static char **_argv;
-static off_t savaddress; /* saved address/offset in stream */
-static off_t eaddress; /* end address */
-static off_t address; /* address/offset in stream */
-off_t skip; /* bytes to skip */
+static off_t savaddress; /* saved address/offset in stream */
+static off_t eaddress; /* end address */
+static off_t address; /* address/offset in stream */
+off_t skip; /* bytes to skip */
off_t saveaddress;
-int exitval; /* final exit value */
-int blocksize; /* data block size */
-int length = -1; /* max bytes to read */
+int exitval; /* final exit value */
+int blocksize; /* data block size */
+int length = -1; /* max bytes to read */
-int size(FS *fs)
+int size(FS * fs)
{
register FU *fu;
register int bcnt, cursize;
@@ -69,23 +69,33 @@ int size(FS *fs)
prec = atoi(fmt);
while (isdigit(*++fmt));
}
- switch(*fmt) {
+ switch (*fmt) {
case 'c':
bcnt += 1;
break;
- case 'd': case 'i': case 'o': case 'u':
- case 'x': case 'X':
+ case 'd':
+ case 'i':
+ case 'o':
+ case 'u':
+ case 'x':
+ case 'X':
bcnt += 4;
break;
- case 'e': case 'E': case 'f': case 'g': case 'G':
+ case 'e':
+ case 'E':
+ case 'f':
+ case 'g':
+ case 'G':
bcnt += 8;
break;
case 's':
bcnt += prec;
break;
case '_':
- switch(*++fmt) {
- case 'c': case 'p': case 'u':
+ switch (*++fmt) {
+ case 'c':
+ case 'p':
+ case 'u':
bcnt += 1;
break;
}
@@ -93,10 +103,10 @@ int size(FS *fs)
}
cursize += bcnt * fu->reps;
}
- return(cursize);
+ return (cursize);
}
-void rewrite(FS *fs)
+void rewrite(FS * fs)
{
enum { NOTOKAY, USEBCNT, USEPREC } sokay;
register PR *pr, **nextpr = NULL;
@@ -112,7 +122,7 @@ void rewrite(FS *fs)
*/
for (nconv = 0, fmtp = fu->fmt; *fmtp; nextpr = &pr->nextpr) {
/* NOSTRICT */
- pr = (PR *)xmalloc(sizeof(PR));
+ pr = (PR *) xmalloc(sizeof(PR));
if (!fu->nextpr)
fu->nextpr = pr;
else
@@ -143,53 +153,64 @@ void rewrite(FS *fs)
sokay = USEPREC;
prec = atoi(p1);
while (isdigit(*++p1));
- }
- else
+ } else
sokay = NOTOKAY;
}
- p2 = p1 + 1; /* set end pointer */
+ p2 = p1 + 1; /* set end pointer */
/*
* figure out the byte count for each conversion;
* rewrite the format as necessary, set up blank-
* padding for end of data.
*/
- switch(*p1) {
+ switch (*p1) {
case 'c':
pr->flags = F_CHAR;
- switch(fu->bcnt) {
- case 0: case 1:
+ switch (fu->bcnt) {
+ case 0:
+ case 1:
pr->bcnt = 1;
break;
default:
p1[1] = '\0';
- error_msg_and_die("bad byte count for conversion character %s.", p1);
+ error_msg_and_die
+ ("bad byte count for conversion character %s.", p1);
}
break;
- case 'd': case 'i':
+ case 'd':
+ case 'i':
pr->flags = F_INT;
goto sw1;
case 'l':
++p2;
- switch(p1[1]) {
- case 'd': case 'i':
+ switch (p1[1]) {
+ case 'd':
+ case 'i':
++p1;
pr->flags = F_INT;
goto sw1;
- case 'o': case 'u': case 'x': case 'X':
+ case 'o':
+ case 'u':
+ case 'x':
+ case 'X':
++p1;
pr->flags = F_UINT;
goto sw1;
default:
p1[2] = '\0';
- error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1);
+ error_msg_and_die
+ ("hexdump: bad conversion character %%%s.\n", p1);
}
/* NOTREACHED */
- case 'o': case 'u': case 'x': case 'X':
+ case 'o':
+ case 'u':
+ case 'x':
+ case 'X':
pr->flags = F_UINT;
-sw1: switch(fu->bcnt) {
- case 0: case 4:
+ sw1:switch (fu->bcnt) {
+ case 0:
+ case 4:
pr->bcnt = 4;
break;
case 1:
@@ -200,13 +221,19 @@ sw1: switch(fu->bcnt) {
break;
default:
p1[1] = '\0';
- error_msg_and_die("bad byte count for conversion character %s.", p1);
+ error_msg_and_die
+ ("bad byte count for conversion character %s.", p1);
}
break;
- case 'e': case 'E': case 'f': case 'g': case 'G':
+ case 'e':
+ case 'E':
+ case 'f':
+ case 'g':
+ case 'G':
pr->flags = F_DBL;
- switch(fu->bcnt) {
- case 0: case 8:
+ switch (fu->bcnt) {
+ case 0:
+ case 8:
pr->bcnt = 8;
break;
case 4:
@@ -214,14 +241,16 @@ sw1: switch(fu->bcnt) {
break;
default:
p1[1] = '\0';
- error_msg_and_die("bad byte count for conversion character %s.", p1);
+ error_msg_and_die
+ ("bad byte count for conversion character %s.", p1);
}
break;
case 's':
pr->flags = F_STR;
- switch(sokay) {
+ switch (sokay) {
case NOTOKAY:
- error_msg_and_die("%%s requires a precision or a byte count.");
+ error_msg_and_die
+ ("%%s requires a precision or a byte count.");
case USEBCNT:
pr->bcnt = fu->bcnt;
break;
@@ -232,7 +261,7 @@ sw1: switch(fu->bcnt) {
break;
case '_':
++p2;
- switch(p1[1]) {
+ switch (p1[1]) {
case 'A':
endfu = fu;
fu->flags |= F_IGNORE;
@@ -240,18 +269,21 @@ sw1: switch(fu->bcnt) {
case 'a':
pr->flags = F_ADDRESS;
++p2;
- switch(p1[2]) {
- case 'd': case 'o': case'x':
+ switch (p1[2]) {
+ case 'd':
+ case 'o':
+ case 'x':
*p1 = p1[2];
break;
default:
p1[3] = '\0';
- error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1);
+ error_msg_and_die
+ ("hexdump: bad conversion character %%%s.\n", p1);
}
break;
case 'c':
pr->flags = F_C;
- /* *p1 = 'c'; set in conv_c */
+ /* *p1 = 'c'; set in conv_c */
goto sw2;
case 'p':
pr->flags = F_P;
@@ -259,24 +291,29 @@ sw1: switch(fu->bcnt) {
goto sw2;
case 'u':
pr->flags = F_U;
- /* *p1 = 'c'; set in conv_u */
-sw2: switch(fu->bcnt) {
- case 0: case 1:
+ /* *p1 = 'c'; set in conv_u */
+ sw2:switch (fu->bcnt) {
+ case 0:
+ case 1:
pr->bcnt = 1;
break;
default:
p1[2] = '\0';
- error_msg_and_die("bad byte count for conversion character %s.", p1);
+ error_msg_and_die
+ ("bad byte count for conversion character %s.",
+ p1);
}
break;
default:
p1[2] = '\0';
- error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1);
+ error_msg_and_die
+ ("hexdump: bad conversion character %%%s.\n", p1);
}
break;
default:
p1[1] = '\0';
- error_msg_and_die("hexdump: bad conversion character %%%s.\n", p1);
+ error_msg_and_die("hexdump: bad conversion character %%%s.\n",
+ p1);
}
/*
@@ -292,8 +329,9 @@ sw2: switch(fu->bcnt) {
fmtp = p2;
/* only one conversion character if byte count */
- if (!(pr->flags&F_ADDRESS) && fu->bcnt && nconv++) {
- error_msg_and_die("hexdump: byte count with multiple conversion characters.\n");
+ if (!(pr->flags & F_ADDRESS) && fu->bcnt && nconv++) {
+ error_msg_and_die
+ ("hexdump: byte count with multiple conversion characters.\n");
}
}
/*
@@ -315,7 +353,7 @@ sw2: switch(fu->bcnt) {
*/
for (fu = fs->nextfu;; fu = fu->nextfu) {
if (!fu->nextfu && fs->bcnt < blocksize &&
- !(fu->flags&F_SETREP) && fu->bcnt)
+ !(fu->flags & F_SETREP) && fu->bcnt)
fu->reps += (blocksize - fs->bcnt) / fu->bcnt;
if (fu->reps > 1) {
for (pr = fu->nextpr;; pr = pr->nextpr)
@@ -339,11 +377,10 @@ static void doskip(char *fname, int statok)
if (fstat(fileno(stdin), &sbuf)) {
perror_msg_and_die("hexdump: %s", fname);
}
- if ( ( ! (S_ISCHR(sbuf.st_mode) ||
- S_ISBLK(sbuf.st_mode) ||
- S_ISFIFO(sbuf.st_mode)) ) &&
- skip >= sbuf.st_size) {
- /* If size valid and skip >= size */
+ if ((!(S_ISCHR(sbuf.st_mode) ||
+ S_ISBLK(sbuf.st_mode) ||
+ S_ISFIFO(sbuf.st_mode))) && skip >= sbuf.st_size) {
+ /* If size valid and skip >= size */
skip -= sbuf.st_size;
address += sbuf.st_size;
return;
@@ -363,7 +400,7 @@ int next(char **argv)
if (argv) {
_argv = argv;
- return(1);
+ return (1);
}
for (;;) {
if (*_argv) {
@@ -376,7 +413,7 @@ int next(char **argv)
statok = done = 1;
} else {
if (done++)
- return(0);
+ return (0);
statok = 0;
}
if (skip)
@@ -384,13 +421,12 @@ int next(char **argv)
if (*_argv)
++_argv;
if (!skip)
- return(1);
+ return (1);
}
/* NOTREACHED */
}
-static u_char *
-get(void)
+static u_char *get(void)
{
static int ateof = 1;
static u_char *curp, *savp;
@@ -399,8 +435,8 @@ get(void)
u_char *tmpp;
if (!curp) {
- curp = (u_char *)xmalloc(blocksize);
- savp = (u_char *)xmalloc(blocksize);
+ curp = (u_char *) xmalloc(blocksize);
+ savp = (u_char *) xmalloc(blocksize);
} else {
tmpp = curp;
curp = savp;
@@ -413,22 +449,22 @@ get(void)
* and no other files are available, zero-pad the rest of the
* block and set the end flag.
*/
- if (!length || (ateof && !next((char **)NULL))) {
+ if (!length || (ateof && !next((char **) NULL))) {
if (need == blocksize) {
- return((u_char *)NULL);
+ return ((u_char *) NULL);
}
if (vflag != ALL && !bcmp(curp, savp, nread)) {
if (vflag != DUP) {
printf("*\n");
}
- return((u_char *)NULL);
+ return ((u_char *) NULL);
}
- bzero((char *)curp + nread, need);
+ bzero((char *) curp + nread, need);
eaddress = address + nread;
- return(curp);
+ return (curp);
}
- n = fread((char *)curp + nread, sizeof(u_char),
- length == -1 ? need : MIN(length, need), stdin);
+ n = fread((char *) curp + nread, sizeof(u_char),
+ length == -1 ? need : MIN(length, need), stdin);
if (!n) {
if (ferror(stdin)) {
perror_msg("%s", _argv[-1]);
@@ -441,12 +477,11 @@ get(void)
length -= n;
}
if (!(need -= n)) {
- if (vflag == ALL || vflag == FIRST ||
- bcmp(curp, savp, blocksize)) {
+ if (vflag == ALL || vflag == FIRST || bcmp(curp, savp, blocksize)) {
if (vflag == DUP || vflag == FIRST) {
vflag = WAIT;
}
- return(curp);
+ return (curp);
}
if (vflag == WAIT) {
printf("*\n");
@@ -461,7 +496,7 @@ get(void)
}
}
-static void bpad(PR *pr)
+static void bpad(PR * pr)
{
register char *p1, *p2;
@@ -473,18 +508,18 @@ static void bpad(PR *pr)
*pr->cchar = 's';
for (p1 = pr->fmt; *p1 != '%'; ++p1);
for (p2 = ++p1; *p1 && index(" -0+#", *p1); ++p1);
- while ((*p2++ = *p1++) != 0) ;
+ while ((*p2++ = *p1++) != 0);
}
-void conv_c(PR *pr, u_char *p)
+void conv_c(PR * pr, u_char * p)
{
char buf[10], *str;
- switch(*p) {
+ switch (*p) {
case '\0':
str = "\\0";
goto strpr;
- /* case '\a': */
+ /* case '\a': */
case '\007':
str = "\\a";
goto strpr;
@@ -511,22 +546,22 @@ void conv_c(PR *pr, u_char *p)
}
if (isprint(*p)) {
*pr->cchar = 'c';
- (void)printf(pr->fmt, *p);
+ (void) printf(pr->fmt, *p);
} else {
- sprintf(str = buf, "%03o", (int)*p);
-strpr:
+ sprintf(str = buf, "%03o", (int) *p);
+ strpr:
*pr->cchar = 's';
printf(pr->fmt, str);
}
}
-void conv_u(PR *pr, u_char *p)
+void conv_u(PR * pr, u_char * p)
{
static char *list[] = {
"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
- "bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
+ "bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
"dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
- "can", "em", "sub", "esc", "fs", "gs", "rs", "us",
+ "can", "em", "sub", "esc", "fs", "gs", "rs", "us",
};
/* od used nl, not lf */
@@ -541,118 +576,128 @@ void conv_u(PR *pr, u_char *p)
printf(pr->fmt, *p);
} else {
*pr->cchar = 'x';
- printf(pr->fmt, (int)*p);
+ printf(pr->fmt, (int) *p);
}
}
void display(void)
{
-// extern FU *endfu;
+/* extern FU *endfu; */
register FS *fs;
register FU *fu;
register PR *pr;
register int cnt;
register u_char *bp;
-// off_t saveaddress;
+
+/* off_t saveaddress; */
u_char savech = 0, *savebp;
while ((bp = get()) != NULL) {
- for (fs = fshead, savebp = bp, saveaddress = address; fs;
- fs = fs->nextfs, bp = savebp, address = saveaddress) {
- for (fu = fs->nextfu; fu; fu = fu->nextfu) {
+ for (fs = fshead, savebp = bp, saveaddress = address; fs;
+ fs = fs->nextfs, bp = savebp, address = saveaddress) {
+ for (fu = fs->nextfu; fu; fu = fu->nextfu) {
if (fu->flags & F_IGNORE) {
break;
}
for (cnt = fu->reps; cnt; --cnt) {
- for (pr = fu->nextpr; pr; address += pr->bcnt,
- bp += pr->bcnt, pr = pr->nextpr) {
- if (eaddress && address >= eaddress &&
- !(pr->flags&(F_TEXT|F_BPAD))) {
+ for (pr = fu->nextpr; pr; address += pr->bcnt,
+ bp += pr->bcnt, pr = pr->nextpr) {
+ if (eaddress && address >= eaddress &&
+ !(pr->flags & (F_TEXT | F_BPAD))) {
bpad(pr);
}
- if (cnt == 1 && pr->nospace) {
+ if (cnt == 1 && pr->nospace) {
savech = *pr->nospace;
*pr->nospace = '\0';
- }
-// PRINT;
- switch(pr->flags) {
- case F_ADDRESS:
- printf(pr->fmt, address);
- break;
- case F_BPAD:
- printf(pr->fmt, "");
- break;
- case F_C:
- conv_c(pr, bp);
- break;
- case F_CHAR:
- printf(pr->fmt, *bp);
+ }
+/* PRINT; */
+ switch (pr->flags) {
+ case F_ADDRESS:
+ printf(pr->fmt, address);
+ break;
+ case F_BPAD:
+ printf(pr->fmt, "");
+ break;
+ case F_C:
+ conv_c(pr, bp);
+ break;
+ case F_CHAR:
+ printf(pr->fmt, *bp);
+ break;
+ case F_DBL:{
+ double dval;
+ float fval;
+
+ switch (pr->bcnt) {
+ case 4:
+ bcopy((char *) bp, (char *) &fval,
+ sizeof(fval));
+ printf(pr->fmt, fval);
break;
- case F_DBL: {
- double dval;
- float fval;
- switch(pr->bcnt) {
- case 4:
- bcopy((char *)bp, (char *)&fval, sizeof(fval));
- printf(pr->fmt, fval);
- break;
- case 8:
- bcopy((char *)bp, (char *)&dval, sizeof(dval));
- printf(pr->fmt, dval);
- break;
- }
+ case 8:
+ bcopy((char *) bp, (char *) &dval,
+ sizeof(dval));
+ printf(pr->fmt, dval);
break;
}
- case F_INT: {
- int ival;
- short sval;
- switch(pr->bcnt) {
- case 1:
- printf(pr->fmt, (int)*bp);
- break;
- case 2:
- bcopy((char *)bp, (char *)&sval, sizeof(sval));
- printf(pr->fmt, (int)sval);
- break;
- case 4:
- bcopy((char *)bp, (char *)&ival, sizeof(ival));
- printf(pr->fmt, ival);
- break;
- }
+ break;
+ }
+ case F_INT:{
+ int ival;
+ short sval;
+
+ switch (pr->bcnt) {
+ case 1:
+ printf(pr->fmt, (int) *bp);
break;
- }
- case F_P:
- printf(pr->fmt, isprint(*bp) ? *bp : '.');
+ case 2:
+ bcopy((char *) bp, (char *) &sval,
+ sizeof(sval));
+ printf(pr->fmt, (int) sval);
break;
- case F_STR:
- printf(pr->fmt, (char *)bp);
+ case 4:
+ bcopy((char *) bp, (char *) &ival,
+ sizeof(ival));
+ printf(pr->fmt, ival);
break;
- case F_TEXT:
- printf(pr->fmt);
+ }
+ break;
+ }
+ case F_P:
+ printf(pr->fmt, isprint(*bp) ? *bp : '.');
+ break;
+ case F_STR:
+ printf(pr->fmt, (char *) bp);
+ break;
+ case F_TEXT:
+ printf(pr->fmt);
+ break;
+ case F_U:
+ conv_u(pr, bp);
+ break;
+ case F_UINT:{
+ u_int ival;
+ u_short sval;
+
+ switch (pr->bcnt) {
+ case 1:
+ printf(pr->fmt, (u_int) * bp);
break;
- case F_U:
- conv_u(pr, bp);
+ case 2:
+ bcopy((char *) bp, (char *) &sval,
+ sizeof(sval));
+ printf(pr->fmt, (u_int) sval);
break;
- case F_UINT: {
- u_int ival;
- u_short sval;
- switch(pr->bcnt) {
- case 1:
- printf(pr->fmt, (u_int)*bp);
- break;
- case 2:
- bcopy((char *)bp, (char *)&sval, sizeof(sval));
- printf(pr->fmt, (u_int)sval);
- break;
- case 4:
- bcopy((char *)bp, (char *)&ival, sizeof(ival));
- printf(pr->fmt, ival);
- break;
- }
+ case 4:
+ bcopy((char *) bp, (char *) &ival,
+ sizeof(ival));
+ printf(pr->fmt, ival);
break;
}
+ break;
}
- if (cnt == 1 && pr->nospace) {
+ }
+ if (cnt == 1 && pr->nospace) {
*pr->nospace = savech;
}
}
@@ -672,12 +717,12 @@ void display(void)
eaddress = address;
}
for (pr = endfu->nextpr; pr; pr = pr->nextpr) {
- switch(pr->flags) {
+ switch (pr->flags) {
case F_ADDRESS:
- (void)printf(pr->fmt, eaddress);
+ (void) printf(pr->fmt, eaddress);
break;
case F_TEXT:
- (void)printf(pr->fmt);
+ (void) printf(pr->fmt);
break;
}
}
@@ -703,7 +748,7 @@ int dump(char **argv)
next(argv);
display();
- return(exitval);
+ return (exitval);
}
void add(char *fmt)
@@ -718,7 +763,7 @@ void add(char *fmt)
/* start new linked list of format units */
/* NOSTRICT */
- tfs = (FS *)xmalloc(sizeof(FS));
+ tfs = (FS *) xmalloc(sizeof(FS));
if (!fshead) {
fshead = tfs;
} else {
@@ -737,7 +782,7 @@ void add(char *fmt)
/* allocate a new format unit and link it in */
/* NOSTRICT */
- tfu = (FU *)xmalloc(sizeof(FU));
+ tfu = (FU *) xmalloc(sizeof(FU));
*nextfu = tfu;
nextfu = &tfu->nextfu;
tfu->reps = 1;
@@ -785,7 +830,7 @@ void add(char *fmt)
}
strncpy(tfu->fmt, savep, p - savep);
tfu->fmt[p - savep] = '\0';
-// escape(tfu->fmt);
+/* escape(tfu->fmt); */
p1 = tfu->fmt;
@@ -796,9 +841,9 @@ void add(char *fmt)
break;
}
if (*p1 == '\\') {
- switch(*++p1) {
+ switch (*++p1) {
case 'a':
- /* *p2 = '\a'; */
+ /* *p2 = '\a'; */
*p2 = '\007';
break;
case 'b':
@@ -829,6 +874,7 @@ void add(char *fmt)
p++;
}
}
+
/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.