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[u/mdw/putty] / printing.c

diff --git a/printing.c b/printing.c
index d40e2ac..fdd96bf 100644 (file)
--- a/printing.c
+++ b/printing.c
@@ -37,16 +37,20 @@ static char *printer_add_enum(int param, char *buffer,
 {
     DWORD needed, nprinters;
 
-    buffer = srealloc(buffer, offset+512);
+    buffer = sresize(buffer, offset+512, char);
 
-    if (EnumPrinters(param, NULL, ENUM_LEVEL, buffer+offset,
-                     512, &needed, &nprinters) == 0)
-        return NULL;
+    /*
+     * Exploratory call to EnumPrinters to determine how much space
+     * we'll need for the output. Discard the return value since it
+     * will almost certainly be a failure due to lack of space.
+     */
+    EnumPrinters(param, NULL, ENUM_LEVEL, buffer+offset, 512,
+                &needed, &nprinters);
 
     if (needed < 512)
         needed = 512;
 
-    buffer = srealloc(buffer, offset+needed);
+    buffer = sresize(buffer, offset+needed, char);
 
     if (EnumPrinters(param, NULL, ENUM_LEVEL, buffer+offset,
                      needed, &needed, &nprinters) == 0)
@@ -59,20 +63,14 @@ static char *printer_add_enum(int param, char *buffer,
 
 printer_enum *printer_start_enum(int *nprinters_ptr)
 {
-    printer_enum *ret = smalloc(sizeof(printer_enum));
+    printer_enum *ret = snew(printer_enum);
     char *buffer = NULL, *retval;
 
     *nprinters_ptr = 0;                       /* default return value */
-    buffer = smalloc(512);
+    buffer = snewn(512, char);
 
-    retval = printer_add_enum(PRINTER_ENUM_LOCAL, buffer, 0, nprinters_ptr);
-    if (!retval)
-        goto error;
-    else
-        buffer = retval;
-    retval = printer_add_enum(PRINTER_ENUM_CONNECTIONS, buffer,
-                              sizeof(ENUM_TYPE) * *nprinters_ptr,
-                              nprinters_ptr);
+    retval = printer_add_enum(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
+                             buffer, 0, nprinters_ptr);
     if (!retval)
         goto error;
     else
@@ -109,7 +107,7 @@ void printer_finish_enum(printer_enum *pe)
 
 printer_job *printer_start_job(char *printer)
 {
-    printer_job *ret = smalloc(sizeof(printer_job));
+    printer_job *ret = snew(printer_job);
     DOC_INFO_1 docinfo;
     int jobstarted = 0, pagestarted = 0;