diff options
Diffstat (limited to 'winsup/cygwin/winf.h')
| -rw-r--r-- | winsup/cygwin/winf.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/winsup/cygwin/winf.h b/winsup/cygwin/winf.h index 3b7fec23b..209091468 100644 --- a/winsup/cygwin/winf.h +++ b/winsup/cygwin/winf.h @@ -9,6 +9,14 @@ details. */ #ifndef _WINF_H #define _WINF_H +/* Hack for Cygwin processes. If the Windows command line length gets slightly + bigger than this value, the stack position is suddenly moved up by 64K for + no apparent reason, which results in subsequent forks failing. Since Cygwin + processes get the full command line as argv array anyway, this only affects + the maximum command line length of Cygwin applications which non-sensically + have a WinMain instead of a main entry point. */ +#define MAXCYGWINCMDLEN 31767 + #define MAXWINCMDLEN 32767 #define LINE_BUF_CHUNK (CYG_MAX_PATH * 2) @@ -74,8 +82,8 @@ class linebuf void add (const char *what, int len) __attribute__ ((regparm (3))); void add (const char *what) {add (what, strlen (what));} void prepend (const char *what, int len); - void finish () __attribute__ ((regparm (1))); - bool fromargv(av&, char *); + void finish (bool) __attribute__ ((regparm (2))); + bool fromargv(av&, char *, bool) __attribute__ ((regparm (3)));; operator char *() {return buf;} }; |