diff options
Diffstat (limited to 'src/pkg/runtime/env_plan9.c')
| -rw-r--r-- | src/pkg/runtime/env_plan9.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/pkg/runtime/env_plan9.c b/src/pkg/runtime/env_plan9.c index 599319c75..f732c9f29 100644 --- a/src/pkg/runtime/env_plan9.c +++ b/src/pkg/runtime/env_plan9.c @@ -12,6 +12,7 @@ runtime·getenv(int8 *s) intgo len; byte file[128]; byte *p; + static byte b[128]; len = runtime·findnull((byte*)s); if(len > sizeof file-6) @@ -25,7 +26,14 @@ runtime·getenv(int8 *s) if(fd < 0) return nil; n = runtime·seek(fd, 0, 2); - p = runtime·malloc(n+1); + if(runtime·strcmp((byte*)s, (byte*)"GOTRACEBACK") == 0){ + // should not call malloc + if(n >= sizeof b) + return nil; + runtime·memclr(b, sizeof b); + p = b; + }else + p = runtime·malloc(n+1); r = runtime·pread(fd, p, n, 0); runtime·close(fd); if(r < 0) |