Fixing many instances of broken indentation with spaces instead of tabs.
No code changes.
diff --git a/desc.c b/desc.c
index 2b0cd53..50d4b51 100644
--- a/desc.c
+++ b/desc.c
@@ -658,7 +658,7 @@
 {
 	if (entering(tcp)) {
 		tprintf("%ld, ", tcp->u_arg[0]);
-                printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???");
+		printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???");
 		tprintf(", %ld, ", tcp->u_arg[2]);
 		if (tcp->u_arg[3] == 0)
 			tprintf("NULL");
diff --git a/file.c b/file.c
index ea6df32..899efb7 100644
--- a/file.c
+++ b/file.c
@@ -722,29 +722,29 @@
 
 #ifdef LINUXSPARC
 typedef struct {
-        int     tv_sec;
-        int     tv_nsec;
+	int     tv_sec;
+	int     tv_nsec;
 } timestruct_t;
 
 struct solstat {
-        unsigned        st_dev;
-        int             st_pad1[3];     /* network id */
-        unsigned        st_ino;
-        unsigned        st_mode;
-        unsigned        st_nlink;
-        unsigned        st_uid;
-        unsigned        st_gid;
-        unsigned        st_rdev;
-        int             st_pad2[2];
-        int             st_size;
-        int             st_pad3;        /* st_size, off_t expansion */
-        timestruct_t    st_atime;
-        timestruct_t    st_mtime;
-        timestruct_t    st_ctime;
-        int             st_blksize;
-        int             st_blocks;
-        char            st_fstype[16];
-        int             st_pad4[8];     /* expansion area */
+	unsigned        st_dev;
+	int             st_pad1[3];     /* network id */
+	unsigned        st_ino;
+	unsigned        st_mode;
+	unsigned        st_nlink;
+	unsigned        st_uid;
+	unsigned        st_gid;
+	unsigned        st_rdev;
+	int             st_pad2[2];
+	int             st_size;
+	int             st_pad3;        /* st_size, off_t expansion */
+	timestruct_t    st_atime;
+	timestruct_t    st_mtime;
+	timestruct_t    st_ctime;
+	int             st_blksize;
+	int             st_blocks;
+	char            st_fstype[16];
+	int             st_pad4[8];     /* expansion area */
 };
 
 static void
diff --git a/linux/hppa/syscallent.h b/linux/hppa/syscallent.h
index f3a9978..c8ff52e 100644
--- a/linux/hppa/syscallent.h
+++ b/linux/hppa/syscallent.h
@@ -233,7 +233,7 @@
 	{ 4,	TD,	sys_epoll_ctl,		"epoll_ctl"		}, /* 225 */
 	{ 4,	TD,	sys_epoll_wait,		"epoll_wait"		}, /* 226 */
 	{ 5,	0,	printargs,		"remap_file_pages"	}, /* 227 */
-       { 5,    TI,     sys_semtimedop,         "semtimedop"            }, /* 228 */
+	{ 5,    TI,     sys_semtimedop,         "semtimedop"            }, /* 228 */
 	{ 5,	0,	printargs,		"mq_open"		}, /* 229 */
 	{ 5,	0,	printargs,		"mq_unlink"		}, /* 230 */
 	{ 5,	0,	printargs,		"mq_timedsend"		}, /* 231 */
diff --git a/linux/s390/syscallent.h b/linux/s390/syscallent.h
index e565d4b..b4d0d67 100644
--- a/linux/s390/syscallent.h
+++ b/linux/s390/syscallent.h
@@ -245,7 +245,7 @@
 	{ 1,	0,	sys_setgid,		"setgid"	}, /* 214 */
 	{ 1,	0,	sys_setfsuid,		"setfsuid"	}, /* 215 */
 	{ 1,	0,	sys_setfsgid,		"setfsgid"	}, /* 216 */
-        { 2,	TF,	sys_pivotroot,		"pivot_root"	}, /* 217 */
+	{ 2,	TF,	sys_pivotroot,		"pivot_root"	}, /* 217 */
 	{ 3,	0,	sys_mincore,	         "mincore"      }, /* 218 */
 	{ 3,	0,	sys_madvise,		"madvise"	}, /* 219 */
 	{ 3,	TD,	sys_getdents64,		"getdents64"	}, /* 220 */
diff --git a/linux/s390x/syscallent.h b/linux/s390x/syscallent.h
index 91c08d7..23e157a 100644
--- a/linux/s390x/syscallent.h
+++ b/linux/s390x/syscallent.h
@@ -244,7 +244,7 @@
 	{ 1,	0,	sys_setgid,		"setgid"	}, /* 214 */
 	{ 1,	0,	sys_setfsuid,		"setfsuid"	}, /* 215 */
 	{ 1,	0,	sys_setfsgid,		"setfsgid"	}, /* 216 */
-        { 2,	TF,	sys_pivotroot,		"pivot_root"	}, /* 217 */
+	{ 2,	TF,	sys_pivotroot,		"pivot_root"	}, /* 217 */
 	{ 3,	0,	sys_mincore,	         "mincore"      }, /* 218 */
 	{ 3,	0,	sys_madvise,		"madvise"	}, /* 219 */
 	{ 3,	TD,	sys_getdents64,		"getdents64"	}, /* 220 */
diff --git a/linux/sparc/syscallent.h b/linux/sparc/syscallent.h
index 8af031a..6324bf4 100644
--- a/linux/sparc/syscallent.h
+++ b/linux/sparc/syscallent.h
@@ -11,7 +11,7 @@
 	{ 1,	TF,	sys_unlink,	"unlink" },		/* 10 */
 	{ 2,    TF|TP,	sys_execv,	"execv" },		/* 11 */
 	{ 1,	TF,	sys_chdir,	"chdir" },		/* 12 */
-        { 3,    TF,     sys_chown,      "chown"},		/* 13 */
+	{ 3,    TF,     sys_chown,      "chown"},		/* 13 */
 	{ 3,	TF,	sys_mknod,	"mknod" },		/* 14 */
 	{ 2,	TF,	sys_chmod,	"chmod" },		/* 15 */
 	{ 3,	TF,	sys_chown,	"lchown" },		/* 16 */
diff --git a/mem.c b/mem.c
index 0fd4a2a..b3c4edc 100644
--- a/mem.c
+++ b/mem.c
@@ -229,48 +229,47 @@
 int sys_old_mmap(tcp)
 struct tcb *tcp;
 {
-    long u_arg[6];
+	long u_arg[6];
 
 #if	defined(IA64)
-    int i, v;
-    /*
-     *  IA64 processes never call this routine, they only use the
-     *  new `sys_mmap' interface.  This code converts the integer
-     *  arguments that the IA32 process pushed onto the stack into
-     *  longs.
-     *
-     *  Note that addresses with bit 31 set will be sign extended.
-     *  Fortunately, those addresses are not currently being generated
-     *  for IA32 processes so it's not a problem.
-     */
-    for (i = 0; i < 6; i++)
-	if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
-		return 0;
-	else
-		u_arg[i] = v;
+	int i, v;
+	/*
+	 *  IA64 processes never call this routine, they only use the
+	 *  new `sys_mmap' interface.  This code converts the integer
+	 *  arguments that the IA32 process pushed onto the stack into
+	 *  longs.
+	 *
+	 *  Note that addresses with bit 31 set will be sign extended.
+	 *  Fortunately, those addresses are not currently being generated
+	 *  for IA32 processes so it's not a problem.
+	 */
+	for (i = 0; i < 6; i++)
+		if (umove(tcp, tcp->u_arg[0] + (i * sizeof(int)), &v) == -1)
+			return 0;
+		else
+			u_arg[i] = v;
 #elif defined(SH) || defined(SH64)
-    /* SH has always passed the args in registers */
-    int i;
-    for (i=0; i<6; i++)
-        u_arg[i] = tcp->u_arg[i];
+	/* SH has always passed the args in registers */
+	int i;
+	for (i=0; i<6; i++)
+		u_arg[i] = tcp->u_arg[i];
 #else
 # if defined(X86_64)
-    if (current_personality == 1) {
-	    int i;
-	    for (i = 0; i < 6; ++i) {
-		    unsigned int val;
-		    if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
-			    return 0;
-		    u_arg[i] = val;
-	    }
-    }
-    else
+	if (current_personality == 1) {
+		int i;
+		for (i = 0; i < 6; ++i) {
+			unsigned int val;
+			if (umove(tcp, tcp->u_arg[0] + i * 4, &val) == -1)
+				return 0;
+			u_arg[i] = val;
+		}
+	}
+	else
 # endif
-    if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
-	    return 0;
+	if (umoven(tcp, tcp->u_arg[0], sizeof u_arg, (char *) u_arg) == -1)
+		return 0;
 #endif	// defined(IA64)
-    return print_mmap(tcp, u_arg, u_arg[5]);
-
+	return print_mmap(tcp, u_arg, u_arg[5]);
 }
 #endif
 
@@ -278,21 +277,21 @@
 sys_mmap(tcp)
 struct tcb *tcp;
 {
-    long long offset = tcp->u_arg[5];
+	long long offset = tcp->u_arg[5];
 
 #if defined(LINUX) && defined(SH64)
-    /*
-     * Old mmap differs from new mmap in specifying the
-     * offset in units of bytes rather than pages.  We
-     * pretend it's in byte units so the user only ever
-     * sees bytes in the printout.
-     */
-    offset <<= PAGE_SHIFT;
+	/*
+	 * Old mmap differs from new mmap in specifying the
+	 * offset in units of bytes rather than pages.  We
+	 * pretend it's in byte units so the user only ever
+	 * sees bytes in the printout.
+	 */
+	offset <<= PAGE_SHIFT;
 #endif
 #if defined(LINUX_MIPSN32)
-    offset = tcp->ext_arg[5];
+	offset = tcp->ext_arg[5];
 #endif
-    return print_mmap(tcp, tcp->u_arg, offset);
+	return print_mmap(tcp, tcp->u_arg, offset);
 }
 #endif /* !HAVE_LONG_LONG_OFF_T */
 
diff --git a/process.c b/process.c
index d0ca23b..02c0595 100644
--- a/process.c
+++ b/process.c
@@ -725,7 +725,7 @@
 	if (ptrace(PTRACE_POKEUSER, tcp->pid,
 		   (char*)(sizeof(unsigned long)*PT_R0), new) < 0)
 		return -1;
-       return 0;
+	return 0;
 #elif defined(S390) || defined(S390X)
 	/* s390 linux after 2.4.7 has a hook in entry.S to allow this */
 	if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(PT_GPR2), new)<0)
@@ -775,26 +775,26 @@
 	    	return -1;
 	return 0;
 #elif defined(SH)
-       if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(4*(REG_REG0+3)), new)<0)
-               return -1;
-       return 0;
+	if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(4*(REG_REG0+3)), new)<0)
+		return -1;
+	return 0;
 #elif defined(SH64)
-       /* Top half of reg encodes the no. of args n as 0x1n.
-          Assume 0 args as kernel never actually checks... */
-       if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(REG_SYSCALL),
-                                   0x100000 | new) < 0)
-                       return -1;
-       return 0;
+	/* Top half of reg encodes the no. of args n as 0x1n.
+	   Assume 0 args as kernel never actually checks... */
+	if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(REG_SYSCALL),
+				0x100000 | new) < 0)
+		return -1;
+	return 0;
 #elif defined(ARM)
-       /* Some kernels support this, some (pre-2.6.16 or so) don't.  */
+	/* Some kernels support this, some (pre-2.6.16 or so) don't.  */
 # ifndef PTRACE_SET_SYSCALL
 #  define PTRACE_SET_SYSCALL 23
 # endif
 
-       if (ptrace (PTRACE_SET_SYSCALL, tcp->pid, 0, new) != 0)
+	if (ptrace (PTRACE_SET_SYSCALL, tcp->pid, 0, new) != 0)
 		return -1;
 
-       return 0;
+	return 0;
 #else
 #warning Do not know how to handle change_syscall for this architecture
 #endif /* architecture */
@@ -864,7 +864,7 @@
 			return -1;
 	}
 #elif defined(S390) || defined(S390X)
-        {
+	{
 		if(argnum <= 5)
 			ptrace(PTRACE_POKEUSER, tcp->pid,
 			       (char *) (argnum==0 ? PT_ORIGGPR2 :
@@ -874,7 +874,7 @@
 			return -E2BIG;
 		if (errno)
 			return -1;
-        }
+	}
 #else
 # warning Sorry, setargs not implemented for this architecture.
 #endif
@@ -2747,57 +2747,57 @@
 #endif /* M68K */
 #endif /* !I386 */
 #ifdef SH
-       { 4*REG_REG0,           "4*REG_REG0"                            },
-       { 4*(REG_REG0+1),       "4*REG_REG1"                            },
-       { 4*(REG_REG0+2),       "4*REG_REG2"                            },
-       { 4*(REG_REG0+3),       "4*REG_REG3"                            },
-       { 4*(REG_REG0+4),       "4*REG_REG4"                            },
-       { 4*(REG_REG0+5),       "4*REG_REG5"                            },
-       { 4*(REG_REG0+6),       "4*REG_REG6"                            },
-       { 4*(REG_REG0+7),       "4*REG_REG7"                            },
-       { 4*(REG_REG0+8),       "4*REG_REG8"                            },
-       { 4*(REG_REG0+9),       "4*REG_REG9"                            },
-       { 4*(REG_REG0+10),      "4*REG_REG10"                           },
-       { 4*(REG_REG0+11),      "4*REG_REG11"                           },
-       { 4*(REG_REG0+12),      "4*REG_REG12"                           },
-       { 4*(REG_REG0+13),      "4*REG_REG13"                           },
-       { 4*(REG_REG0+14),      "4*REG_REG14"                           },
-       { 4*REG_REG15,          "4*REG_REG15"                           },
-       { 4*REG_PC,             "4*REG_PC"                              },
-       { 4*REG_PR,             "4*REG_PR"                              },
-       { 4*REG_SR,             "4*REG_SR"                              },
-       { 4*REG_GBR,            "4*REG_GBR"                             },
-       { 4*REG_MACH,           "4*REG_MACH"                            },
-       { 4*REG_MACL,           "4*REG_MACL"                            },
-       { 4*REG_SYSCALL,        "4*REG_SYSCALL"                         },
-       { 4*REG_FPUL,           "4*REG_FPUL"                            },
-       { 4*REG_FPREG0,         "4*REG_FPREG0"                          },
-       { 4*(REG_FPREG0+1),     "4*REG_FPREG1"                          },
-       { 4*(REG_FPREG0+2),     "4*REG_FPREG2"                          },
-       { 4*(REG_FPREG0+3),     "4*REG_FPREG3"                          },
-       { 4*(REG_FPREG0+4),     "4*REG_FPREG4"                          },
-       { 4*(REG_FPREG0+5),     "4*REG_FPREG5"                          },
-       { 4*(REG_FPREG0+6),     "4*REG_FPREG6"                          },
-       { 4*(REG_FPREG0+7),     "4*REG_FPREG7"                          },
-       { 4*(REG_FPREG0+8),     "4*REG_FPREG8"                          },
-       { 4*(REG_FPREG0+9),     "4*REG_FPREG9"                          },
-       { 4*(REG_FPREG0+10),    "4*REG_FPREG10"                         },
-       { 4*(REG_FPREG0+11),    "4*REG_FPREG11"                         },
-       { 4*(REG_FPREG0+12),    "4*REG_FPREG12"                         },
-       { 4*(REG_FPREG0+13),    "4*REG_FPREG13"                         },
-       { 4*(REG_FPREG0+14),    "4*REG_FPREG14"                         },
-       { 4*REG_FPREG15,        "4*REG_FPREG15"                         },
+	{ 4*REG_REG0,           "4*REG_REG0"                            },
+	{ 4*(REG_REG0+1),       "4*REG_REG1"                            },
+	{ 4*(REG_REG0+2),       "4*REG_REG2"                            },
+	{ 4*(REG_REG0+3),       "4*REG_REG3"                            },
+	{ 4*(REG_REG0+4),       "4*REG_REG4"                            },
+	{ 4*(REG_REG0+5),       "4*REG_REG5"                            },
+	{ 4*(REG_REG0+6),       "4*REG_REG6"                            },
+	{ 4*(REG_REG0+7),       "4*REG_REG7"                            },
+	{ 4*(REG_REG0+8),       "4*REG_REG8"                            },
+	{ 4*(REG_REG0+9),       "4*REG_REG9"                            },
+	{ 4*(REG_REG0+10),      "4*REG_REG10"                           },
+	{ 4*(REG_REG0+11),      "4*REG_REG11"                           },
+	{ 4*(REG_REG0+12),      "4*REG_REG12"                           },
+	{ 4*(REG_REG0+13),      "4*REG_REG13"                           },
+	{ 4*(REG_REG0+14),      "4*REG_REG14"                           },
+	{ 4*REG_REG15,          "4*REG_REG15"                           },
+	{ 4*REG_PC,             "4*REG_PC"                              },
+	{ 4*REG_PR,             "4*REG_PR"                              },
+	{ 4*REG_SR,             "4*REG_SR"                              },
+	{ 4*REG_GBR,            "4*REG_GBR"                             },
+	{ 4*REG_MACH,           "4*REG_MACH"                            },
+	{ 4*REG_MACL,           "4*REG_MACL"                            },
+	{ 4*REG_SYSCALL,        "4*REG_SYSCALL"                         },
+	{ 4*REG_FPUL,           "4*REG_FPUL"                            },
+	{ 4*REG_FPREG0,         "4*REG_FPREG0"                          },
+	{ 4*(REG_FPREG0+1),     "4*REG_FPREG1"                          },
+	{ 4*(REG_FPREG0+2),     "4*REG_FPREG2"                          },
+	{ 4*(REG_FPREG0+3),     "4*REG_FPREG3"                          },
+	{ 4*(REG_FPREG0+4),     "4*REG_FPREG4"                          },
+	{ 4*(REG_FPREG0+5),     "4*REG_FPREG5"                          },
+	{ 4*(REG_FPREG0+6),     "4*REG_FPREG6"                          },
+	{ 4*(REG_FPREG0+7),     "4*REG_FPREG7"                          },
+	{ 4*(REG_FPREG0+8),     "4*REG_FPREG8"                          },
+	{ 4*(REG_FPREG0+9),     "4*REG_FPREG9"                          },
+	{ 4*(REG_FPREG0+10),    "4*REG_FPREG10"                         },
+	{ 4*(REG_FPREG0+11),    "4*REG_FPREG11"                         },
+	{ 4*(REG_FPREG0+12),    "4*REG_FPREG12"                         },
+	{ 4*(REG_FPREG0+13),    "4*REG_FPREG13"                         },
+	{ 4*(REG_FPREG0+14),    "4*REG_FPREG14"                         },
+	{ 4*REG_FPREG15,        "4*REG_FPREG15"                         },
 #ifdef REG_XDREG0
-       { 4*REG_XDREG0,         "4*REG_XDREG0"                          },
-       { 4*(REG_XDREG0+2),     "4*REG_XDREG2"                          },
-       { 4*(REG_XDREG0+4),     "4*REG_XDREG4"                          },
-       { 4*(REG_XDREG0+6),     "4*REG_XDREG6"                          },
-       { 4*(REG_XDREG0+8),     "4*REG_XDREG8"                          },
-       { 4*(REG_XDREG0+10),    "4*REG_XDREG10"                         },
-       { 4*(REG_XDREG0+12),    "4*REG_XDREG12"                         },
-       { 4*REG_XDREG14,        "4*REG_XDREG14"                         },
+	{ 4*REG_XDREG0,         "4*REG_XDREG0"                          },
+	{ 4*(REG_XDREG0+2),     "4*REG_XDREG2"                          },
+	{ 4*(REG_XDREG0+4),     "4*REG_XDREG4"                          },
+	{ 4*(REG_XDREG0+6),     "4*REG_XDREG6"                          },
+	{ 4*(REG_XDREG0+8),     "4*REG_XDREG8"                          },
+	{ 4*(REG_XDREG0+10),    "4*REG_XDREG10"                         },
+	{ 4*(REG_XDREG0+12),    "4*REG_XDREG12"                         },
+	{ 4*REG_XDREG14,        "4*REG_XDREG14"                         },
 #endif
-       { 4*REG_FPSCR,          "4*REG_FPSCR"                           },
+	{ 4*REG_FPSCR,          "4*REG_FPSCR"                           },
 #endif /* SH */
 #ifdef SH64
 	{ 0,		        "PC(L)"				        },
@@ -2948,8 +2948,8 @@
 	{ 580,                  "TR6(U)"                                },
 	{ 584,                  "TR7(L)"                                },
 	{ 588,                  "TR7(U)"                                },
-        /* This entry is in case pt_regs contains dregs (depends on
-           the kernel build options). */
+	/* This entry is in case pt_regs contains dregs (depends on
+	   the kernel build options). */
 	{ uoff(regs),	        "offsetof(struct user, regs)"	        },
 	{ uoff(fpu),	        "offsetof(struct user, fpu)"	        },
 #endif
diff --git a/sock.c b/sock.c
index 5e2ab57..5303fa9 100644
--- a/sock.c
+++ b/sock.c
@@ -192,7 +192,7 @@
 				tprintf("%s={", str);
 				printxval(addrfams,
 					  ifr.ifr_addr.sa_family,
-                    			  "AF_???");
+					  "AF_???");
 				tprintf(", ");
 				print_addr(tcp, ((long) tcp->u_arg[2]
 						 + offsetof (struct ifreq,
@@ -252,7 +252,7 @@
 			return 1;
 		}
 		tprintf("%d, ", ifc.ifc_len);
-                if (syserror(tcp)) {
+		if (syserror(tcp)) {
 			tprintf("%lx", (unsigned long) ifc.ifc_buf);
 		} else if (ifc.ifc_buf == NULL) {
 			tprintf("NULL");
diff --git a/stream.c b/stream.c
index 8c7dfda..36e8ed5 100644
--- a/stream.c
+++ b/stream.c
@@ -55,9 +55,9 @@
 #ifndef HAVE_STROPTS_H
 #define RS_HIPRI 1
 struct strbuf {
-        int     maxlen;                 /* no. of bytes in buffer */
-        int     len;                    /* no. of bytes returned */
-        char    *buf;                   /* pointer to data */
+	int     maxlen;                 /* no. of bytes in buffer */
+	int     len;                    /* no. of bytes returned */
+	char    *buf;                   /* pointer to data */
 };
 #define MORECTL 1
 #define MOREDATA 2
@@ -350,7 +350,7 @@
 	} else {
 		static char outstr[1024];
 		char str[64];
-                const char *flagstr;
+		const char *flagstr;
 		unsigned int cumlen;
 
 		if (syserror(tcp))
diff --git a/syscall.c b/syscall.c
index eb97469..19f8fe9 100644
--- a/syscall.c
+++ b/syscall.c
@@ -545,17 +545,16 @@
 			dumpstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
 		break;
 #ifdef SYS_readv
-        case SYS_readv:
-                if (qual_flags[tcp->u_arg[0]] & QUAL_READ)
-                        dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
-                break;
+	case SYS_readv:
+		if (qual_flags[tcp->u_arg[0]] & QUAL_READ)
+			dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
+		break;
 #endif
 #ifdef SYS_writev
-        case SYS_writev:
-
-                if (qual_flags[tcp->u_arg[0]] & QUAL_WRITE)
-                        dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
-                break;
+	case SYS_writev:
+		if (qual_flags[tcp->u_arg[0]] & QUAL_WRITE)
+			dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
+		break;
 #endif
 	}
 }
@@ -769,11 +768,11 @@
 #elif defined(HPPA)
 	static long r28;
 #elif defined(SH)
-       static long r0;
+	static long r0;
 #elif defined(SH64)
-       static long r9;
+	static long r9;
 #elif defined(X86_64)
-       static long rax;
+	static long rax;
 #endif
 #endif /* LINUX */
 #ifdef FREEBSD
@@ -1169,7 +1168,7 @@
 	if (ptrace(PTRACE_GETREGS,pid,(char *)&regs,0) < 0)
 		return -1;
 
-        /* If we are entering, then disassemble the syscall trap. */
+	/* If we are entering, then disassemble the syscall trap. */
 	if (!(tcp->flags & TCB_INSYSCALL)) {
 		/* Retrieve the syscall trap instruction. */
 		errno = 0;
@@ -1241,38 +1240,37 @@
 		}
 	}
 #elif defined(SH)
-       /*
-        * In the new syscall ABI, the system call number is in R3.
-        */
-       if (upeek(tcp, 4*(REG_REG0+3), &scno) < 0)
-               return -1;
+	/*
+	 * In the new syscall ABI, the system call number is in R3.
+	 */
+	if (upeek(tcp, 4*(REG_REG0+3), &scno) < 0)
+		return -1;
 
-       if (scno < 0) {
-           /* Odd as it may seem, a glibc bug has been known to cause
-              glibc to issue bogus negative syscall numbers.  So for
-              our purposes, make strace print what it *should* have been */
-           long correct_scno = (scno & 0xff);
-           if (debug)
-               fprintf(stderr,
-                   "Detected glibc bug: bogus system call number = %ld, "
-		   "correcting to %ld\n",
-                   scno,
-                   correct_scno);
-           scno = correct_scno;
-       }
+	if (scno < 0) {
+		/* Odd as it may seem, a glibc bug has been known to cause
+		   glibc to issue bogus negative syscall numbers.  So for
+		   our purposes, make strace print what it *should* have been */
+		long correct_scno = (scno & 0xff);
+		if (debug)
+	    		fprintf(stderr,
+				"Detected glibc bug: bogus system call"
+				" number = %ld, correcting to %ld\n",
+				scno,
+				correct_scno);
+		scno = correct_scno;
+	}
 
-
-       if (!(tcp->flags & TCB_INSYSCALL)) {
-               /* Check if we return from execve. */
-               if (scno == 0 && tcp->flags & TCB_WAITEXECVE) {
-                       tcp->flags &= ~TCB_WAITEXECVE;
-                       return 0;
-               }
-       }
+	if (!(tcp->flags & TCB_INSYSCALL)) {
+		/* Check if we return from execve. */
+		if (scno == 0 && tcp->flags & TCB_WAITEXECVE) {
+			tcp->flags &= ~TCB_WAITEXECVE;
+			return 0;
+		}
+	}
 #elif defined(SH64)
 	if (upeek(tcp, REG_SYSCALL, &scno) < 0)
 		return -1;
-        scno &= 0xFFFF;
+	scno &= 0xFFFF;
 
 	if (!(tcp->flags & TCB_INSYSCALL)) {
 		/* Check if we return from execve. */
@@ -1287,13 +1285,13 @@
 	if (upeek(tcp, uoff(u_arg[7]), &scno) < 0)
 		return -1;
 #elif defined(SH)
-        /* new syscall ABI returns result in R0 */
-        if (upeek(tcp, 4*REG_REG0, (long *)&r0) < 0)
-                return -1;
+	/* new syscall ABI returns result in R0 */
+	if (upeek(tcp, 4*REG_REG0, (long *)&r0) < 0)
+		return -1;
 #elif defined(SH64)
-        /* ABI defines result returned in r9 */
-        if (upeek(tcp, REG_GENERAL(9), (long *)&r9) < 0)
-                return -1;
+	/* ABI defines result returned in r9 */
+	if (upeek(tcp, REG_GENERAL(9), (long *)&r9) < 0)
+		return -1;
 
 #endif
 #ifdef USE_PROCFS
@@ -1304,17 +1302,17 @@
 	scno = tcp->status.PR_WHAT;
 #else /* FREEBSD */
 	if (pread(tcp->pfd_reg, &regs, sizeof(regs), 0) < 0) {
-	        perror("pread");
-                return -1;
-        }
+		perror("pread");
+		return -1;
+	}
 	switch (regs.r_eax) {
 	case SYS_syscall:
 	case SYS___syscall:
-    	        pread(tcp->pfd, &scno, sizeof(scno), regs.r_esp + sizeof(int));
-	        break;
+		pread(tcp->pfd, &scno, sizeof(scno), regs.r_esp + sizeof(int));
+		break;
 	default:
-	        scno = regs.r_eax;
-	        break;
+		scno = regs.r_eax;
+		break;
 	}
 #endif /* FREEBSD */
 #endif /* !HAVE_PR_SYSCALL */
@@ -1658,15 +1656,15 @@
 		}
 #else
 #ifdef SH64
-                /* interpret result as return value or error number */
-                if (is_negated_errno(r9)) {
-	                tcp->u_rval = -1;
-	                u_error = -r9;
-                }
-                else {
-                        tcp->u_rval = r9;
-	                u_error = 0;
-                }
+		/* interpret result as return value or error number */
+		if (is_negated_errno(r9)) {
+			tcp->u_rval = -1;
+			u_error = -r9;
+		}
+		else {
+			tcp->u_rval = r9;
+			u_error = 0;
+		}
 #endif /* SH64 */
 #endif /* SH */
 #endif /* HPPA */
@@ -1840,8 +1838,8 @@
 		return -1;
 #else /* !M68K */
 #ifdef ARM
-       regs.ARM_r0 = error ? -error : rval;
-       if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(4*0), regs.ARM_r0) < 0)
+	regs.ARM_r0 = error ? -error : rval;
+	if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)(4*0), regs.ARM_r0) < 0)
 		return -1;
 #else /* !ARM */
 #ifdef ALPHA
@@ -1896,7 +1894,7 @@
 		return -1;
 #else
 #ifdef SH64
-        r9 = error ? -error : rval;
+	r9 = error ? -error : rval;
 	if (ptrace(PTRACE_POKEUSER, tcp->pid, (char*)REG_GENERAL(9), r9) < 0)
 		return -1;
 #endif /* SH64 */
@@ -1927,9 +1925,9 @@
 #endif /* SVR4 */
 #ifdef FREEBSD
 	if (pread(tcp->pfd_reg, &regs, sizeof(regs), 0) < 0) {
-	        perror("pread");
-                return -1;
-        }
+		perror("pread");
+		return -1;
+	}
 	if (error) {
 		regs.r_eflags |= PSL_C;
 		regs.r_eax = error;
@@ -1939,9 +1937,9 @@
 		regs.r_eax = rval;
 	}
 	if (pwrite(tcp->pfd_reg, &regs, sizeof(regs), 0) < 0) {
-	        perror("pwrite");
-                return -1;
-        }
+		perror("pwrite");
+		return -1;
+	}
 #endif /* FREEBSD */
 
 	/* All branches reach here on success (only).  */
@@ -2153,23 +2151,23 @@
 				return -1;
 	}
 #elif defined(SH)
-       {
-               int i;
-               static int syscall_regs[] = {
-                   REG_REG0+4, REG_REG0+5, REG_REG0+6, REG_REG0+7,
-                   REG_REG0, REG_REG0+1, REG_REG0+2
-                   };
+	{
+		int i;
+		static int syscall_regs[] = {
+			REG_REG0+4, REG_REG0+5, REG_REG0+6, REG_REG0+7,
+			REG_REG0, REG_REG0+1, REG_REG0+2
+		};
 
-               tcp->u_nargs = sysent[tcp->scno].nargs;
-               for (i = 0; i < tcp->u_nargs; i++) {
-                       if (upeek(tcp, 4*syscall_regs[i], &tcp->u_arg[i]) < 0)
-                               return -1;
-               }
-        }
+		tcp->u_nargs = sysent[tcp->scno].nargs;
+		for (i = 0; i < tcp->u_nargs; i++) {
+			if (upeek(tcp, 4*syscall_regs[i], &tcp->u_arg[i]) < 0)
+				return -1;
+		}
+	}
 #elif defined(SH64)
 	{
 		int i;
-                /* Registers used by SH5 Linux system calls for parameters */
+		/* Registers used by SH5 Linux system calls for parameters */
 		static int syscall_regs[] = { 2, 3, 4, 5, 6, 7 };
 
 		/*
@@ -2300,15 +2298,15 @@
 	case SYS___syscall:
 		pread(tcp->pfd, &tcp->u_arg, tcp->u_nargs * sizeof(unsigned long),
 		      regs.r_esp + sizeof(int) + sizeof(quad_t));
-	  break;
-        case SYS_syscall:
+		break;
+	case SYS_syscall:
 		pread(tcp->pfd, &tcp->u_arg, tcp->u_nargs * sizeof(unsigned long),
 		      regs.r_esp + 2 * sizeof(int));
-	  break;
-        default:
+		break;
+	default:
 		pread(tcp->pfd, &tcp->u_arg, tcp->u_nargs * sizeof(unsigned long),
 		      regs.r_esp + sizeof(int));
-	  break;
+		break;
 	}
 #endif /* FREEBSD */
 	return 1;
diff --git a/util.c b/util.c
index 8f97811..ac92551 100644
--- a/util.c
+++ b/util.c
@@ -127,7 +127,7 @@
                     "i" (__NR_##syscall)  \
                   : "g1", "o0", "o1", "o2", "o3", "o4"); \
 if (__res>=0) \
-        return (type) __res; \
+	return (type) __res; \
 errno = -__res; \
 return -1; \
 }
@@ -706,13 +706,13 @@
 	}
 	if (umoven(tcp, addr, size, (char *) iov) >= 0) {
 		for (i = 0; i < len; i++) {
-                        /* include the buffer number to make it easy to
-                         * match up the trace with the source */
-                        tprintf(" * %lu bytes in buffer %d\n",
-                                (unsigned long)iov_iov_len(i), i);
-                        dumpstr(tcp, (long) iov_iov_base(i),
-                                iov_iov_len(i));
-                }
+			/* include the buffer number to make it easy to
+			 * match up the trace with the source */
+			tprintf(" * %lu bytes in buffer %d\n",
+				(unsigned long)iov_iov_len(i), i);
+			dumpstr(tcp, (long) iov_iov_base(i),
+				iov_iov_len(i));
+		}
 	}
 	free((char *) iov);
 #undef sizeof_iov
@@ -1195,11 +1195,11 @@
 	if(upeek(tcp,PT_IAOQ0,&pc) < 0)
 		return -1;
 #elif defined(SH)
-       if (upeek(tcp, 4*REG_PC ,&pc) < 0)
-               return -1;
+	if (upeek(tcp, 4*REG_PC ,&pc) < 0)
+		return -1;
 #elif defined(SH64)
-       if (upeek(tcp, REG_PC ,&pc) < 0)
-               return -1;
+	if (upeek(tcp, REG_PC ,&pc) < 0)
+		return -1;
 #endif
 	return pc;
 #endif /* LINUX */
@@ -1250,15 +1250,15 @@
 	tprintf("[%08lx] ", eip);
 
 #elif defined(S390) || defined(S390X)
-         long psw;
-         if(upeek(tcp,PT_PSWADDR,&psw) < 0) {
-                 PRINTBADPC;
-                 return;
-         }
+	long psw;
+	if(upeek(tcp,PT_PSWADDR,&psw) < 0) {
+		PRINTBADPC;
+		return;
+	}
 #ifdef S390
-         tprintf("[%08lx] ", psw);
+	tprintf("[%08lx] ", psw);
 #elif S390X
-       tprintf("[%16lx] ", psw);
+	tprintf("[%16lx] ", psw);
 #endif
 
 #elif defined(X86_64)
@@ -1325,13 +1325,13 @@
 	}
 	tprintf("[%08lx] ", pc);
 #elif defined(SH)
-       long pc;
+	long pc;
 
-       if (upeek(tcp, 4*REG_PC, &pc) < 0) {
-               tprintf ("[????????] ");
-               return;
-       }
-       tprintf("[%08lx] ", pc);
+	if (upeek(tcp, 4*REG_PC, &pc) < 0) {
+		tprintf ("[????????] ");
+		return;
+	}
+	tprintf("[%08lx] ", pc);
 #elif defined(SH64)
 	long pc;
 
@@ -1877,8 +1877,8 @@
 		return -1;
 	tcp->baddr &= ~0x03;
 #elif defined(SH)
-       if (upeek(tcp, 4*REG_PC, &tcp->baddr) < 0)
-               return -1;
+	if (upeek(tcp, 4*REG_PC, &tcp->baddr) < 0)
+		return -1;
 #else
 #error unknown architecture
 #endif
@@ -1969,7 +1969,7 @@
 #elif defined(HPPA)
 	long iaoq;
 #elif defined(SH)
-       long pc;
+	long pc;
 #endif /* architecture */
 
 #if defined (SPARC) || defined (SPARC64)
@@ -2139,15 +2139,15 @@
 	ptrace(PTRACE_POKEUSER, tcp->pid, (void *)PT_IAOQ0, iaoq);
 	ptrace(PTRACE_POKEUSER, tcp->pid, (void *)PT_IAOQ1, iaoq);
 #elif defined(SH)
-       if (upeek(tcp, 4*REG_PC, &pc) < 0)
-               return -1;
-        if (pc != tcp->baddr) {
-                /* The breakpoint has not been reached yet.  */
-                if (debug)
-                        fprintf(stderr, "NOTE: PC not at bpt (pc %#lx baddr %#lx)\n",
-                                pc, tcp->baddr);
-                return 0;
-        }
+	if (upeek(tcp, 4*REG_PC, &pc) < 0)
+		return -1;
+	if (pc != tcp->baddr) {
+		/* The breakpoint has not been reached yet.  */
+		if (debug)
+			fprintf(stderr, "NOTE: PC not at bpt (pc %#lx baddr %#lx)\n",
+				pc, tcp->baddr);
+		return 0;
+	}
 
 #endif /* arch */
 #endif /* !SPARC && !SPARC64 && !IA64 */