From b39ac47f1977ec9ea58b4281673e3393e60fc8e8 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 6 Jul 2026 09:16:00 +0000
Subject:  First debug session

---
 src/libtipidee/tipidee_fcgi_read.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'src/libtipidee/tipidee_fcgi_read.c')

diff --git a/src/libtipidee/tipidee_fcgi_read.c b/src/libtipidee/tipidee_fcgi_read.c
index 9b6dcb0..c185724 100644
--- a/src/libtipidee/tipidee_fcgi_read.c
+++ b/src/libtipidee/tipidee_fcgi_read.c
@@ -7,6 +7,7 @@
 #include <skalibs/uint32.h>
 #include <skalibs/stralloc.h>
 #include <skalibs/unix-timed.h>
+#include <skalibs/lolstdio.h>
 
 #include <tipidee/fcgi.h>
 
@@ -18,19 +19,23 @@ int tipidee_fcgi_read (tipidee_fcgi *fc, uint32_t *status, stralloc *sa, tain *s
   uint16_t u ;
   char hdr[8] ;
   if (buffer_timed_get(&fc->b, hdr, 8, &fc->deadline, stamp) < 8) return -1 ;
+  LOLDEBUG("reading a header: version is %hhu - type is %hhu", hdr[0], hdr[1]) ;
   if (hdr[0] != 1) return (errno = EPROTO, -1) ;
   uint16_unpack_big(hdr + 2, &u) ;
+  LOLDEBUG("  id is %hu, client's was %hu", u, fc->id) ;
   if (u != fc->id) return (errno = EPROTO, -1) ;
   uint16_unpack_big(hdr + 4, &u) ;
+  LOLDEBUG("payload length is %hu", u) ;
   switch (hdr[1])
   {
-    case FCGI_STDOUT : stream = 1 ;
-    case FCGI_STDERR : stream = 2 ;
-    case FCGI_END_REQUEST : stream = 0 ;
+    case FCGI_STDOUT : stream = 1 ; break ;
+    case FCGI_STDERR : stream = 2 ; break ;
+    case FCGI_END_REQUEST : stream = 0 ; break ;
     default : return (errno = EPROTO, -1) ;
   }
   if (stream)
   {
+    LOLDEBUG("stream is %d - reading %hu bytes", stream, u) ;
     if (!stralloc_readyplus(sa, u)) return -1 ;
     if (buffer_timed_get(&fc->b, sa->s + sa->len, u, &fc->deadline, stamp) < u) return -1 ;
     sa->len += u ;
@@ -38,6 +43,7 @@ int tipidee_fcgi_read (tipidee_fcgi *fc, uint32_t *status, stralloc *sa, tain *s
   else
   {
     char endreq[8] ;
+    LOLDEBUG("end request detected, %hu bytes", u) ;
     if (u != 8) return (errno = EPROTO, -1) ;
     if (buffer_timed_get(&fc->b, endreq, 8, &fc->deadline, stamp) < 8) return -1 ;
     switch (endreq[4])
@@ -53,7 +59,8 @@ int tipidee_fcgi_read (tipidee_fcgi *fc, uint32_t *status, stralloc *sa, tain *s
   if (hdr[6])
   {
     char tmp[(uint8_t)hdr[6]] ;
-    if (buffer_timed_get(&fc->b, tmp, (uint8_t)hdr[6], &fc->deadline, stamp)) return -1 ;
+    LOLDEBUG("reading %hhu bytes of padding", (uint8_t)hdr[6]) ;
+    if (buffer_timed_get(&fc->b, tmp, (uint8_t)hdr[6], &fc->deadline, stamp) < (uint8_t)hdr[6]) return -1 ;
   }
   return stream ;
 }
-- 
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