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Fix (get|put)_double wrt. endianess

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These functions are currently unused, but might be in the future to
support O (dBASE) and B (FoxPro) doubles, so we already fix them for
little-endian systems.

git-svn-id: http://svn.php.net/repository/pecl/dbase/trunk@340801 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Christoph Michael Becker
2016-10-30 14:47:05 +00:00
parent 7c432e386b
commit fb312fa6fe
1 changed files with 26 additions and 16 deletions
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42
dbf_misc.c
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@@ -12,6 +12,16 @@
#include "php_reentrancy.h"
#if (defined(__APPLE__) || defined(__APPLE_CC__)) && (defined(__BIG_ENDIAN__) || defined(__LITTLE_ENDIAN__))
# if defined(__LITTLE_ENDIAN__)
# undef WORDS_BIGENDIAN
# else
# if defined(__BIG_ENDIAN__)
# define WORDS_BIGENDIAN
# endif
# endif
#endif
/*
* routine to change little endian long to host long
*/
@@ -60,15 +70,15 @@ double get_double(char *cp)
{
double ret;
unsigned char *dp = (unsigned char *)&ret;
int i;
dp[7] = *cp++;
dp[6] = *cp++;
dp[5] = *cp++;
dp[4] = *cp++;
dp[3] = *cp++;
dp[2] = *cp++;
dp[1] = *cp++;
dp[0] = *cp++;
#ifdef WORDS_BIGENDIAN
for (i = 7; i >= 0; i--) {
#else
for (i = 0; i <= 7; i++) {
#endif
dp[i] = *cp++;
}
return ret;
}
@@ -76,15 +86,15 @@ double get_double(char *cp)
void put_double(char *cp, double fval)
{
unsigned char *dp = (unsigned char *)&fval;
int i;
cp[7] = *dp++;
cp[6] = *dp++;
cp[5] = *dp++;
cp[4] = *dp++;
cp[3] = *dp++;
cp[2] = *dp++;
cp[1] = *dp++;
cp[0] = *dp++;
#ifdef WORDS_BIGENDIAN
for (i = 7; i >= 0; i--) {
#else
for (i = 0; i <= 7; i++) {
#endif
cp[i] = *dp++;
}
}
void copy_fill(char *dp, char *sp, int len)