[devel] Changed png_struct jmp_buf member name to avoid clash with macro
diff --git a/libpng-manual.txt b/libpng-manual.txt
index a1709c7..ba62830 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -365,7 +365,7 @@
When libpng encounters an error, it expects to longjmp back
to your routine. Therefore, you will need to call setjmp and pass
your png_jmpbuf(png_ptr). If you read the file from different
-routines, you will need to update the jmpbuf field every time you enter
+routines, you will need to update the longjmp buffer every time you enter
a new routine that will call a png_*() function.
See your documentation of setjmp/longjmp for your compiler for more
@@ -3822,7 +3822,7 @@
libpng 1.5.0 adds an API png_longjmp(png_ptr, value). This API calls
the application-provided png_longjmp_ptr on the internal, but application
-initialized, jmpbuf. It is provided as a convenience to avoid the need
+initialized, longjmp buffer. It is provided as a convenience to avoid the need
to use the png_jmpbuf macro, which had the unnecessary side effect of
resetting the internal png_longjmp_ptr value.
diff --git a/libpng.3 b/libpng.3
index 687d945..5294eeb 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1308,7 +1308,7 @@
When libpng encounters an error, it expects to longjmp back
to your routine. Therefore, you will need to call setjmp and pass
your png_jmpbuf(png_ptr). If you read the file from different
-routines, you will need to update the jmpbuf field every time you enter
+routines, you will need to update the longjmp buffer every time you enter
a new routine that will call a png_*() function.
See your documentation of setjmp/longjmp for your compiler for more
@@ -4765,7 +4765,7 @@
libpng 1.5.0 adds an API png_longjmp(png_ptr, value). This API calls
the application-provided png_longjmp_ptr on the internal, but application
-initialized, jmpbuf. It is provided as a convenience to avoid the need
+initialized, longjmp buffer. It is provided as a convenience to avoid the need
to use the png_jmpbuf macro, which had the unnecessary side effect of
resetting the internal png_longjmp_ptr value.
diff --git a/pngerror.c b/pngerror.c
index 8290bb4..e90560c 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -272,7 +272,7 @@
return NULL;
png_ptr->longjmp_fn = longjmp_fn;
- return &png_ptr->png_jmpbuf;
+ return &png_ptr->longjmp_buffer;
}
#endif
@@ -335,13 +335,13 @@
{
# ifdef USE_FAR_KEYWORD
{
- jmp_buf png_jmpbuf;
- png_memcpy(png_jmpbuf, png_ptr->png_jmpbuf, png_sizeof(jmp_buf));
- png_ptr->longjmp_fn(png_jmpbuf, val);
+ jmp_buf tmp_jmpbuf;
+ png_memcpy(tmp_jmpbuf, png_ptr->longjmp_buffer, png_sizeof(jmp_buf));
+ png_ptr->longjmp_fn(tmp_jmpbuf, val);
}
# else
- png_ptr->longjmp_fn(png_ptr->png_jmpbuf, val);
+ png_ptr->longjmp_fn(png_ptr->longjmp_buffer, val);
# endif
}
#endif
@@ -403,7 +403,7 @@
/* This function is called when the application wants to use another method
* of handling errors and warnings. Note that the error function MUST NOT
* return to the calling routine or serious problems will occur. The return
- * method used in the default routine calls longjmp(png_ptr->png_jmpbuf, 1)
+ * method used in the default routine calls longjmp(png_ptr->longjmp_buffer, 1)
*/
void PNGAPI
png_set_error_fn(png_structp png_ptr, png_voidp error_ptr,
diff --git a/pngread.c b/pngread.c
index 07eb762..b961ac0 100644
--- a/pngread.c
+++ b/pngread.c
@@ -47,7 +47,7 @@
#ifdef PNG_SETJMP_SUPPORTED
#ifdef USE_FAR_KEYWORD
- jmp_buf png_jmpbuf;
+ jmp_buf tmp_jmpbuf;
#endif
#endif
@@ -85,13 +85,13 @@
encounter a png_error() will longjmp here. Since the jmpbuf is
then meaningless we abort instead of returning. */
#ifdef USE_FAR_KEYWORD
- if (setjmp(png_jmpbuf))
+ if (setjmp(tmp_jmpbuf))
#else
if (setjmp(png_jmpbuf(png_ptr))) /* Sets longjmp to match setjmp */
#endif
PNG_ABORT();
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(png_ptr), png_jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(png_ptr), tmp_jmpbuf, png_sizeof(jmp_buf));
#endif
#endif /* PNG_SETJMP_SUPPORTED */
@@ -1275,7 +1275,7 @@
* being used again.
*/
#ifdef PNG_SETJMP_SUPPORTED
- png_memcpy(tmp_jmp, png_ptr->png_jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(tmp_jmp, png_ptr->longjmp_buffer, png_sizeof(jmp_buf));
#endif
error_fn = png_ptr->error_fn;
@@ -1295,7 +1295,7 @@
#endif
#ifdef PNG_SETJMP_SUPPORTED
- png_memcpy(png_ptr->png_jmpbuf, tmp_jmp, png_sizeof(jmp_buf));
+ png_memcpy(png_ptr->longjmp_buffer, tmp_jmp, png_sizeof(jmp_buf));
#endif
}
diff --git a/pngstruct.h b/pngstruct.h
index f906d96..ca951a4 100644
--- a/pngstruct.h
+++ b/pngstruct.h
@@ -29,7 +29,7 @@
struct png_struct_def
{
#ifdef PNG_SETJMP_SUPPORTED
- jmp_buf png_jmpbuf; /* used in png_error */
+ jmp_buf longjmp_buffer; /* used in png_error */
png_longjmp_ptr longjmp_fn;/* setjmp non-local goto function. */
#endif
png_error_ptr error_fn; /* function for printing errors and aborting */
diff --git a/pngtest.c b/pngtest.c
index 200b071..21981d2 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -779,7 +779,7 @@
int bit_depth, color_type;
#ifdef PNG_SETJMP_SUPPORTED
#ifdef USE_FAR_KEYWORD
- jmp_buf png_jmpbuf;
+ jmp_buf tmp_jmpbuf;
#endif
#endif
@@ -848,7 +848,7 @@
#ifdef PNG_SETJMP_SUPPORTED
pngtest_debug("Setting jmpbuf for read struct");
#ifdef USE_FAR_KEYWORD
- if (setjmp(png_jmpbuf))
+ if (setjmp(tmp_jmpbuf))
#else
if (setjmp(png_jmpbuf(read_ptr)))
#endif
@@ -866,14 +866,14 @@
return (1);
}
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(read_ptr), png_jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(read_ptr), tmp_jmpbuf, png_sizeof(jmp_buf));
#endif
#ifdef PNG_WRITE_SUPPORTED
pngtest_debug("Setting jmpbuf for write struct");
#ifdef USE_FAR_KEYWORD
- if (setjmp(png_jmpbuf))
+ if (setjmp(tmp_jmpbuf))
#else
if (setjmp(png_jmpbuf(write_ptr)))
#endif
@@ -890,7 +890,7 @@
}
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(write_ptr), png_jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(write_ptr), tmp_jmpbuf, png_sizeof(jmp_buf));
#endif
#endif
#endif
diff --git a/pngwrite.c b/pngwrite.c
index bce00c0..bbd3de8 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -462,7 +462,7 @@
png_structp png_ptr;
#ifdef PNG_SETJMP_SUPPORTED
#ifdef USE_FAR_KEYWORD
- jmp_buf png_jmpbuf;
+ jmp_buf tmp_jmpbuf;
#endif
#endif
int i;
@@ -489,12 +489,12 @@
encounter a png_error() will longjmp here. Since the jmpbuf is
then meaningless we abort instead of returning. */
#ifdef USE_FAR_KEYWORD
- if (setjmp(png_jmpbuf))
+ if (setjmp(tmp_jmpbuf))
#else
if (setjmp(png_jmpbuf(png_ptr))) /* sets longjmp to match setjmp */
#endif
#ifdef USE_FAR_KEYWORD
- png_memcpy(png_jmpbuf(png_ptr), png_jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(png_jmpbuf(png_ptr), tmp_jmpbuf, png_sizeof(jmp_buf));
#endif
PNG_ABORT();
#endif
@@ -1020,7 +1020,7 @@
#ifdef PNG_SETJMP_SUPPORTED
/* Reset structure */
- png_memcpy(tmp_jmp, png_ptr->png_jmpbuf, png_sizeof(jmp_buf));
+ png_memcpy(tmp_jmp, png_ptr->longjmp_buffer, png_sizeof(jmp_buf));
#endif
error_fn = png_ptr->error_fn;
@@ -1040,7 +1040,7 @@
#endif
#ifdef PNG_SETJMP_SUPPORTED
- png_memcpy(png_ptr->png_jmpbuf, tmp_jmp, png_sizeof(jmp_buf));
+ png_memcpy(png_ptr->longjmp_buffer, tmp_jmp, png_sizeof(jmp_buf));
#endif
}
