formatting changes

Manual format adjustments.
Comment adjustments.
Remove usage of the register keyword.

1 files changed, 24 insertions, 33 deletions

diff --git a/src/str.c b/src/str.c
index 5294f99..5ce8331 100644
--- a/src/str.c
+++ b/src/str.c
@@ -3,20 +3,19 @@
 #include "stralloc.h"
 
 /**
-	@file str.c
-	@author djb
-	@source qmail
-	@brief string handling functions
+  @file str.c
+  @author djb
+  @source qmail
+  @brief string handling functions
 */
 
-unsigned int str_copy(register char *s, register const char *t)
+unsigned int str_copy(char *s, const char *t)
 {
-  register int len;
+  int len = 0;
 
-  len = 0;
   for (;;) {
     // clang-format off
-    if (!(*s = *t)) { return len; } ++s; ++t; ++len; 
+    if (!(*s = *t)) { return len; } ++s; ++t; ++len;
     if (!(*s = *t)) { return len; } ++s; ++t; ++len;
     if (!(*s = *t)) { return len; } ++s; ++t; ++len;
     if (!(*s = *t)) { return len; } ++s; ++t; ++len;
@@ -24,11 +23,9 @@ unsigned int str_copy(register char *s, register const char *t)
   }
 }
 
-unsigned int str_copyb(register char *s, register const char *t, unsigned int max)
+unsigned int str_copyb(char *s, const char *t, unsigned int max)
 {
-  register int len;
-
-  len = 0;
+  int len = 0;
 
   while (max-- > 0) {
     // clang-format off
@@ -42,9 +39,9 @@ unsigned int str_copyb(register char *s, register const char *t, unsigned int ma
   return len;
 }
 
-int str_diff(register const char *s, register const char *t)
+int str_diff(const char *s, const char *t)
 {
-  register char x;
+  char x;
 
   for (;;) {
     // clang-format off
@@ -57,9 +54,9 @@ int str_diff(register const char *s, register const char *t)
   return ((int)(unsigned int)(unsigned char)x) - ((int)(unsigned int)(unsigned char)*t);
 }
 
-int str_diffn(register const char *s, register const char *t, unsigned int len)
+int str_diffn(const char *s, const char *t, unsigned int len)
 {
-  register char x;
+  char x;
 
   for (;;) {
     // clang-format off
@@ -72,11 +69,10 @@ int str_diffn(register const char *s, register const char *t, unsigned int len)
   return ((int)(unsigned int)(unsigned char)x) - ((int)(unsigned int)(unsigned char)*t);
 }
 
-unsigned int str_len(register const char *s)
+unsigned int str_len(const char *s)
 {
-  register const char *t;
+  const char *t = s;
 
-  t = s;
   for (;;) {
     // clang-format off
     if (!*t) { return t - s; } ++t;
@@ -87,13 +83,11 @@ unsigned int str_len(register const char *s)
   }
 }
 
-unsigned int str_chr(register const char *s, int c)
+unsigned int str_chr(const char *s, int c)
 {
-  register char ch;
-  register const char *t;
+  char ch = c;
+  const char *t = s;
 
-  ch = c;
-  t = s;
   for (;;) {
     // clang-format off
     if (!*t) { break; } if (*t == ch) { break; } ++t;
@@ -105,15 +99,12 @@ unsigned int str_chr(register const char *s, int c)
   return t - s;
 }
 
-unsigned int str_rchr(register const char *s, int c)
+unsigned int str_rchr(const char *s, int c)
 {
-  register char ch;
-  register const char *t;
-  register const char *u;
+  char ch = c;
+  const char *t = s;
+  const char *u = 0;
 
-  ch = c;
-  t = s;
-  u = 0;
   for (;;) {
     // clang-format off
     if (!*t) { break; } if (*t == ch) { u = t; } ++t;
@@ -126,9 +117,9 @@ unsigned int str_rchr(register const char *s, int c)
   return u - s;
 }
 
-int str_start(register const char *s, register const char *t)
+int str_start(const char *s, const char *t)
 {
-  register char x;
+  char x;
 
   for (;;) {
     // clang-format off