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gc: better windows detection

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R=ken2
CC=golang-dev
https://golang.org/cl/944043
This commit is contained in:
Russ Cox 2010-04-27 17:19:15 -07:00
parent 8553b9c68f
commit 69a2e1dc52
2 changed files with 8 additions and 20 deletions
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7
src/cmd/gc/go.h
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@ -1241,10 +1241,3 @@ int duintptr(Sym *s, int off, uint64 v);
int duintxx(Sym *s, int off, uint64 v, int wid);
void genembedtramp(Type*, Type*, Sym*);
int gen_as_init(Node*);
enum {
SysUnix = 1<<1,
SysWindows = 1<<2,
};
int systemtype(int);

21
src/cmd/gc/lex.c
View File

@ -8,6 +8,8 @@
#include <ar.h>
extern int yychar;
int windows;
void lexfini(void);
void yytinit(void);
@ -81,7 +83,10 @@ main(int argc, char *argv[])
if(getwd(pathname, 999) == 0)
strcpy(pathname, "/???");
if(systemtype(SysWindows)) {
if(isalpha(pathname[0]) && pathname[1] == ':') {
// On Windows.
windows = 1;
// Canonicalize path by converting \ to / (Windows accepts both).
for(p=pathname; *p; p++)
if(*p == '\\')
@ -247,9 +252,9 @@ addidir(char* dir)
int
islocalname(Strlit *name)
{
if(systemtype(SysUnix) && name->len >= 1 && name->s[0] == '/')
if(!windows && name->len >= 1 && name->s[0] == '/')
return 1;
if(systemtype(SysWindows) && name->len >= 3 &&
if(windows && name->len >= 3 &&
isalpha(name->s[0]) && name->s[1] == ':' && name->s[2] == '/')
return 1;
if(name->len >= 2 && strncmp(name->s, "./", 2) == 0)
@ -1673,13 +1678,3 @@ mkpackage(char* pkgname)
outfile = smprint("%s.%c", namebuf, thechar);
}
}
int
systemtype(int sys)
{
#ifdef __MINGW32__
return sys&SysWindows;
#else
return sys&SysUnix;
#endif
}