avoid re-entrancy into giflib using the mutex API

[imager.git] / imext.h

diff --git a/imext.h b/imext.h
index 2bb7a70bddf3e230c98d223f909bffef520372a9..131dd1fa655901cd276b7761fca9d3eb569cc162 100644 (file)
--- a/imext.h
+++ b/imext.h
@@ -31,6 +31,8 @@ extern im_ext_funcs *imager_function_ext_table;
 #define im_extt imager_function_ext_table
 
 #define im_get_context() ((im_extt->f_im_get_context)())
+#define im_context_refinc(ctx, where) ((im_extt->f_im_context_refinc)((ctx), (where)))
+#define im_context_refdec(ctx, where) ((im_extt->f_im_context_refdec)((ctx), (where)))
 
 #ifdef IMAGER_DEBUG_MALLOC
 
@@ -60,43 +62,8 @@ extern im_ext_funcs *imager_function_ext_table;
 #define IMAGER_DIRECT_IMAGE_CALLS 1
 #endif
 
-#if IMAGER_DIRECT_IMAGE_CALLS
-#define i_ppix(im, x, y, val) (((im)->i_f_ppix)((im), (x), (y), (val)))
-#define i_gpix(im, x, y, val) (((im)->i_f_gpix)((im), (x), (y), (val)))
-#define i_ppixf(im, x, y, val) (((im)->i_f_ppixf)((im), (x), (y), (val)))
-#define i_gpixf(im, x, y, val) (((im)->i_f_gpixf)((im), (x), (y), (val)))
-#define i_plin(im, l, r, y, val) (((im)->i_f_plin)(im, l, r, y, val))
-#define i_glin(im, l, r, y, val) (((im)->i_f_glin)(im, l, r, y, val))
-#define i_plinf(im, l, r, y, val) (((im)->i_f_plinf)(im, l, r, y, val))
-#define i_glinf(im, l, r, y, val) (((im)->i_f_glinf)(im, l, r, y, val))
+#if !IMAGER_DIRECT_IMAGE_CALLS
 
-#define i_gsamp(im, l, r, y, samps, chans, count) \
-  (((im)->i_f_gsamp)((im), (l), (r), (y), (samps), (chans), (count)))
-#define i_gsampf(im, l, r, y, samps, chans, count) \
-  (((im)->i_f_gsampf)((im), (l), (r), (y), (samps), (chans), (count)))
-
-#define i_findcolor(im, color, entry) \
-  (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
-
-#define i_gpal(im, l, r, y, vals) \
-  (((im)->i_f_gpal) ? ((im)->i_f_gpal)((im), (l), (r), (y), (vals)) : 0)
-#define i_ppal(im, l, r, y, vals) \
-  (((im)->i_f_ppal) ? ((im)->i_f_ppal)((im), (l), (r), (y), (vals)) : 0)
-#define i_addcolors(im, colors, count) \
-  (((im)->i_f_addcolors) ? ((im)->i_f_addcolors)((im), (colors), (count)) : -1)
-#define i_getcolors(im, index, color, count) \
-  (((im)->i_f_getcolors) ? \
-   ((im)->i_f_getcolors)((im), (index), (color), (count)) : 0)
-#define i_setcolors(im, index, color, count) \
-  (((im)->i_f_setcolors) ? \
-   ((im)->i_f_setcolors)((im), (index), (color), (count)) : 0)
-#define i_colorcount(im) \
-  (((im)->i_f_colorcount) ? ((im)->i_f_colorcount)(im) : -1)
-#define i_maxcolors(im) \
-  (((im)->i_f_maxcolors) ? ((im)->i_f_maxcolors)(im) : -1)
-#define i_findcolor(im, color, entry) \
-  (((im)->i_f_findcolor) ? ((im)->i_f_findcolor)((im), (color), (entry)) : 0)
-#else
 #define i_ppix(im, x, y, val) ((im_extt->f_i_ppix)((im), (x), (y), (val)))
 #define i_gpix(im, x, y, val) ((im_extt->f_i_gpix)((im), (x), (y), (val)))
 #define i_ppixf(im, x, y, val) ((im_extt->f_i_ppixf)((im), (x), (y), (val)))
@@ -210,6 +177,8 @@ extern im_ext_funcs *imager_function_ext_table;
 #define i_img_get_height(img) ((im_extt->f_i_img_get_height)(img))
 #define i_lhead(file, line) ((im_extt->f_i_lhead)((file), (line)))
 #define i_loog (im_extt->f_i_loog)
+#define im_lhead(ctx, file, line) ((im_extt->f_im_lhead)((ctx), (file), (line)))
+#define im_loog (im_extt->f_im_loog)
 
 #define im_img_alloc(ctx) ((im_extt->f_im_img_alloc)(ctx))
 #define im_img_init(ctx, img) ((im_extt->fm_i_img_init)((ctx), (img)))
@@ -249,17 +218,27 @@ extern im_ext_funcs *imager_function_ext_table;
 #define i_io_close (im_extt->f_i_io_close)
 #define i_io_set_buffered (im_extt->f_i_io_set_buffered)
 #define i_io_gets (im_extt->f_i_io_gets)
-#define io_new_fd(fd) ((im_extt->f_io_new_fd)(fd))
-#define io_new_bufchain() ((im_extt->f_io_new_bufchain)())
-#define io_new_buffer(data, len, closecb, closedata) \
-  ((im_extt->f_io_new_buffer)((data), (len), (closecb), (closedata)))
-#define io_new_cb(p, readcb, writecb, seekcb, closecb, destroycb) \
-  ((im_extt->f_io_new_cb)((p), (readcb), (writecb), (seekcb), (closecb), (destroycb)))
+#define im_io_new_fd(ctx, fd) ((im_extt->f_im_io_new_fd)(ctx, fd))
+#define im_io_new_bufchain(ctx) ((im_extt->f_im_io_new_bufchain)(ctx))
+#define im_io_new_buffer(ctx, data, len, closecb, closedata)           \
+  ((im_extt->f_im_io_new_buffer)((ctx), (data), (len), (closecb), (closedata)))
+#define im_io_new_cb(ctx, p, readcb, writecb, seekcb, closecb, destroycb) \
+  ((im_extt->f_im_io_new_cb)((ctx), (p), (readcb), (writecb), (seekcb), (closecb), (destroycb)))
 #define io_slurp(ig, datap) ((im_extt->f_io_slurp)((ig), (datap)))
 #define io_glue_destroy(ig) ((im_extt->f_io_glue_destroy)(ig))
 
+#define i_mutex_new() ((im_extt->f_i_mutex_new)())
+#define i_mutex_destroy(m) ((im_extt->f_i_mutex_destroy)(m))
+#define i_mutex_lock(m) ((im_extt->f_i_mutex_lock)(m))
+#define i_mutex_unlock(m) ((im_extt->f_i_mutex_unlock)(m))
+
+#define im_push_errorf (im_extt->f_im_push_errorf)
+
 #ifdef IMAGER_LOG
+#ifndef IMAGER_NO_CONTEXT
 #define mm_log(x) { i_lhead(__FILE__,__LINE__); i_loog x; } 
+#endif
+#define im_log(x) { im_lhead(aIMCTX, __FILE__,__LINE__); im_loog x; } 
 #else
 #define mm_log(x)
 #endif