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File deregister.patch of Package cdo

Author: Alastair McKinstry <mckinstry@debian.org>
Bugs-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=790393
Description: Remove 'register' from C code. Especially never try to get the
 address of a register. Breaks HPPA code at least, and compilers do this
 better in the 21st century.

diff -Nupr cdo-2.2.0.orig/libcdi/src/cdilib.c cdo-2.2.0/libcdi/src/cdilib.c
--- cdo-2.2.0.orig/libcdi/src/cdilib.c	2023-04-18 21:43:48.000000000 +0200
+++ cdo-2.2.0/libcdi/src/cdilib.c	2023-05-05 17:17:17.653936550 +0200
@@ -20810,7 +20810,7 @@ memcrc(const unsigned char *b, size_t n)
   /* Extend with the length of the string. */
   while (n != 0)
     {
-      register uint32_t c = n & 0377;
+      uint32_t c = n & 0377;
       n >>= 8;
       s = (s << 8) ^ crctab[(s >> 24) ^ c];
     }
@@ -20826,9 +20826,9 @@ memcrc_r(uint32_t *state, const unsigned
    *  size_t        n == length of sequence
    */
 
-  register uint32_t c, s = *state;
-  register size_t n = block_len;
-  register const unsigned char *b = block;
+  uint32_t c, s = *state;
+  size_t n = block_len;
+  const unsigned char *b = block;
 
   for (; n > 0; --n)
     {
@@ -20843,7 +20843,7 @@ memcrc_r(uint32_t *state, const unsigned
 #define SWAP_CSUM(BITWIDTH, BYTEWIDTH, NACC)                               \
   do                                                                       \
     {                                                                      \
-      register const uint##BITWIDTH##_t *b = (uint##BITWIDTH##_t *) elems; \
+      const uint##BITWIDTH##_t *b = (uint##BITWIDTH##_t *) elems; \
       for (size_t i = 0; i < num_elems; ++i)                               \
         {                                                                  \
           for (size_t aofs = NACC; aofs > 0; --aofs)                       \
@@ -20872,7 +20872,7 @@ void
 memcrc_r_eswap(uint32_t *state, const unsigned char *elems, size_t num_elems, size_t elem_size)
 {
 #ifdef WORDS_BIGENDIAN
-  register uint32_t s = *state;
+  uint32_t s = *state;
 
   switch (elem_size)
     {
@@ -20891,8 +20891,8 @@ memcrc_r_eswap(uint32_t *state, const un
 uint32_t
 memcrc_finish(uint32_t *state, off_t total_size)
 {
-  register uint32_t c, s = *state;
-  register uint64_t n = (uint64_t) total_size;
+  uint32_t c, s = *state;
+  uint64_t n = (uint64_t) total_size;
 
   /* Extend with the length of the string. */
   while (n != 0)
diff -Nupr cdo-2.2.0.orig/libcdi/src/cksum.c cdo-2.2.0/libcdi/src/cksum.c
--- cdo-2.2.0.orig/libcdi/src/cksum.c	2023-01-25 18:10:17.000000000 +0100
+++ cdo-2.2.0/libcdi/src/cksum.c	2023-05-05 17:16:15.277713525 +0200
@@ -54,7 +54,7 @@ memcrc(const unsigned char *b, size_t n)
   /* Extend with the length of the string. */
   while (n != 0)
     {
-      register uint32_t c = n & 0377;
+      uint32_t c = n & 0377;
       n >>= 8;
       s = (s << 8) ^ crctab[(s >> 24) ^ c];
     }
@@ -70,9 +70,9 @@ memcrc_r(uint32_t *state, const unsigned
    *  size_t        n == length of sequence
    */
 
-  register uint32_t c, s = *state;
-  register size_t n = block_len;
-  register const unsigned char *b = block;
+  uint32_t c, s = *state;
+  size_t n = block_len;
+  const unsigned char *b = block;
 
   for (; n > 0; --n)
     {
@@ -87,7 +87,7 @@ memcrc_r(uint32_t *state, const unsigned
 #define SWAP_CSUM(BITWIDTH, BYTEWIDTH, NACC)                               \
   do                                                                       \
     {                                                                      \
-      register const uint##BITWIDTH##_t *b = (uint##BITWIDTH##_t *) elems; \
+      const uint##BITWIDTH##_t *b = (uint##BITWIDTH##_t *) elems; \
       for (size_t i = 0; i < num_elems; ++i)                               \
         {                                                                  \
           for (size_t aofs = NACC; aofs > 0; --aofs)                       \
@@ -116,7 +116,7 @@ void
 memcrc_r_eswap(uint32_t *state, const unsigned char *elems, size_t num_elems, size_t elem_size)
 {
 #ifdef WORDS_BIGENDIAN
-  register uint32_t s = *state;
+  uint32_t s = *state;
 
   switch (elem_size)
     {
@@ -135,8 +135,8 @@ memcrc_r_eswap(uint32_t *state, const un
 uint32_t
 memcrc_finish(uint32_t *state, off_t total_size)
 {
-  register uint32_t c, s = *state;
-  register uint64_t n = (uint64_t) total_size;
+  uint32_t c, s = *state;
+  uint64_t n = (uint64_t) total_size;
 
   /* Extend with the length of the string. */
   while (n != 0)
diff -Nupr cdo-2.2.0.orig/src/lib/healpix/qsort_reentrant.c cdo-2.2.0/src/lib/healpix/qsort_reentrant.c
--- cdo-2.2.0.orig/src/lib/healpix/qsort_reentrant.c	2022-10-14 08:27:42.000000000 +0200
+++ cdo-2.2.0/src/lib/healpix/qsort_reentrant.c	2023-05-05 17:18:20.334161050 +0200
@@ -63,10 +63,10 @@ static __inline void     swapfunc(char *
  */
 #define swapcode(TYPE, parmi, parmj, n) {               \
         long i = (n) / sizeof (TYPE);                   \
-        register TYPE *pi = (TYPE *) (parmi);           \
-        register TYPE *pj = (TYPE *) (parmj);           \
+        TYPE *pi = (TYPE *) (parmi);           \
+        TYPE *pj = (TYPE *) (parmj);           \
         do {                                            \
-                register TYPE   t = *pi;                \
+                TYPE   t = *pi;                \
                 *pi++ = *pj;                            \
                 *pj++ = t;                              \
         } while (--i > 0);                              \

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File deregister.patch of Package cdo

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