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git/compat/compiler.h
Sören Krecker 386d372031 mingw.c: Fix complier warnings for a 64 bit msvc
Remove some complier warnings from msvc in compat/mingw.c for value
truncation from 64 bit to 32 bit integers.

Compiling compat/mingw.c under a 64 bit version of msvc produces
warnings. An "int" is 32 bit, and ssize_t or size_t should be 64 bit
long. Prepare compat/vcbuild/include/unistd.h to have a 64 bit type
_ssize_t, when _WIN64 is defined and 32 bit otherwise.

Further down in this include file, as before, ssize_t is defined as
_ssize_t, if needed.

Use size_t instead of int for all variables that hold the result of
strlen() or wcslen() (which cannot be negative).

Use ssize_t to hold the return value of read().

Signed-off-by: Sören Krecker <soekkle@freenet.de>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2024-10-17 14:42:27 -04:00

40 lines
874 B
C

#ifndef COMPILER_H
#define COMPILER_H
#include "strbuf.h"
#ifdef __GLIBC__
#include <gnu/libc-version.h>
#endif
static inline void get_compiler_info(struct strbuf *info)
{
size_t len = info->len;
#ifdef __clang__
strbuf_addf(info, "clang: %s\n", __clang_version__);
#elif defined(__GNUC__)
strbuf_addf(info, "gnuc: %d.%d\n", __GNUC__, __GNUC_MINOR__);
#endif
#ifdef _MSC_VER
strbuf_addf(info, "MSVC version: %02d.%02d.%05d\n",
_MSC_VER / 100, _MSC_VER % 100, _MSC_FULL_VER % 100000);
#endif
if (len == info->len)
strbuf_addstr(info, _("no compiler information available\n"));
}
static inline void get_libc_info(struct strbuf *info)
{
size_t len = info->len;
#ifdef __GLIBC__
strbuf_addf(info, "glibc: %s\n", gnu_get_libc_version());
#endif
if (len == info->len)
strbuf_addstr(info, _("no libc information available\n"));
}
#endif /* COMPILER_H */