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vim-patch: Port parts of Vim 7.4.399.

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Resolves #1753.

https://code.google.com/p/vim/source/detail?r=v7-4-399

Reviewed-by: Felipe Oliveira Carvalho <felipekde@gmail.com>

Helped-by: David Bürgin <676c7473@gmail.com>
Helped-by: Scott Prager <splinterofchaos@gmail.com>
Helped-by: Michael Reed <m.reed@mykolab.com>
Helped-by: Felipe Oliveira Carvalho <felipekde@gmail.com>
This commit is contained in:
Florian Walch
2015-01-10 20:52:48 +01:00
parent 95db8df682
commit dea2731184
5 changed files with 423 additions and 315 deletions
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33
src/nvim/misc2.c
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@@ -9,6 +9,7 @@
/*
* misc2.c: Various functions.
*/
#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <string.h>
@@ -29,6 +30,7 @@
#include "nvim/fileio.h"
#include "nvim/fold.h"
#include "nvim/getchar.h"
#include "nvim/macros.h"
#include "nvim/mark.h"
#include "nvim/mbyte.h"
#include "nvim/memfile.h"
@@ -459,22 +461,33 @@ char *read_string(FILE *fd, size_t cnt)
return (char *)str;
}
/// Write a number to file "fd", MSB first, in "len" bytes.
/// @return OK/FAIL.
int put_bytes(FILE *fd, uintmax_t number, unsigned int len)
/// Writes a number to file "fd", most significant bit first, in "len" bytes.
/// @returns false in case of an error.
bool put_bytes(FILE *fd, uintmax_t number, size_t len)
{
for (unsigned int i = len - 1; i < len; --i)
if (putc((int)(number >> (i * 8)), fd) == EOF)
return FAIL;
return OK;
assert(len > 0);
for (size_t i = len - 1; i < len; i--) {
if (putc((int)(number >> (i * 8)), fd) == EOF) {
return false;
}
}
return true;
}
/// Write time_t to file "fd" in 8 bytes.
/// Writes time_t to file "fd" in 8 bytes.
void put_time(FILE *fd, time_t time_)
{
uint8_t buf[8];
time_to_bytes(time_, buf);
fwrite(buf, sizeof(uint8_t), ARRAY_SIZE(buf), fd);
}
/// Writes time_t to "buf[8]".
void time_to_bytes(time_t time_, uint8_t buf[8])
{
// time_t can be up to 8 bytes in size, more than uintmax_t in 32 bits
// systems, thus we can't use put_bytes() here.
for (unsigned int i = 7; i < 8; --i) {
putc((int)((uint64_t)time_ >> (i * 8)), fd);
for (size_t i = 7, bufi = 0; bufi < 8; i--, bufi++) {
buf[bufi] = (uint8_t)((uint64_t)time_ >> (i * 8));
}
}