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authorIlya Zakharevich <ilya@math.berkeley.edu>1999-10-23 23:24:28 -0400
committerGurusamy Sarathy <gsar@cpan.org>1999-10-24 11:11:02 +0000
commited344e4f516e393bcdfd181ec61ffbb056bebd56 (patch)
treede14a1859e804586b669ccab1b5e1f97623c5e7e /os2/dl_os2.c
parent72b3d9b4e0eb3eb49735d998edaf49073f03375e (diff)
downloadperl-ed344e4f516e393bcdfd181ec61ffbb056bebd56.tar.gz
Re: [PATCH 5.005_62] OS/2 improvements
Message-Id: <199910240724.DAA12230@monk.mps.ohio-state.edu> p4raw-id: //depot/perl@4432
Diffstat (limited to 'os2/dl_os2.c')
-rw-r--r--os2/dl_os2.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/os2/dl_os2.c b/os2/dl_os2.c
index 19f36f6aa7..4a9688cb59 100644
--- a/os2/dl_os2.c
+++ b/os2/dl_os2.c
@@ -4,15 +4,16 @@
#include <os2.h>
static ULONG retcode;
+static char fail[300];
void *
dlopen(char *path, int mode)
{
HMODULE handle;
char tmp[260], *beg, *dot;
- char fail[300];
ULONG rc;
+ fail[0] = 0;
if ((rc = DosLoadModule(fail, sizeof fail, path, &handle)) == 0)
return (void *)handle;
@@ -42,6 +43,7 @@ dlsym(void *handle, char *symbol)
ULONG rc, type;
PFN addr;
+ fail[0] = 0;
rc = DosQueryProcAddr((HMODULE)handle, 0, symbol, &addr);
if (rc == 0) {
rc = DosQueryProcType((HMODULE)handle, 0, symbol, &type);
@@ -56,15 +58,31 @@ dlsym(void *handle, char *symbol)
char *
dlerror(void)
{
- static char buf[300];
+ static char buf[700];
ULONG len;
if (retcode == 0)
return NULL;
- if (DosGetMessage(NULL, 0, buf, sizeof buf - 1, retcode, "OSO001.MSG", &len))
- sprintf(buf, "OS/2 system error code %d", retcode);
- else
+ if (DosGetMessage(NULL, 0, buf, sizeof buf - 1, retcode,
+ "OSO001.MSG", &len)) {
+ if (fail[0])
+ sprintf(buf,
+"OS/2 system error code %d, possible problematic module: '%s'",
+ retcode, fail);
+ else
+ sprintf(buf, "OS/2 system error code %d", retcode);
+ } else {
buf[len] = '\0';
+ if (len && buf[len - 1] == '\n')
+ buf[--len] = 0;
+ if (len && buf[len - 1] == '\r')
+ buf[--len] = 0;
+ if (len && buf[len - 1] == '.')
+ buf[--len] = 0;
+ if (fail[0] && len < 300)
+ sprintf(buf + len, ", possible problematic module: '%s'",
+ fail);
+ }
retcode = 0;
return buf;
}