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Fixed wrong use of _alloca which causes crashes on Windows

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This commit is contained in:
Harald Oehlmann 2015-08-18 14:27:37 +02:00
parent 93fa54a784
commit b948d9928c
1 changed files with 9 additions and 33 deletions
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36
backend/render.c
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@ -81,11 +81,7 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
int upceanflag = 0;
// Allocate memory for the rendered version
#ifndef _MSC_VER
render = symbol->rendered = malloc(sizeof(struct zint_render));
#else
render = symbol->rendered = (struct zint_render *)_alloca(sizeof(struct zint_render));
#endif
render = symbol->rendered = (struct zint_render *) malloc(sizeof(struct zint_render));
render->lines = NULL;
render->strings = NULL;
render->rings = NULL;
@ -686,11 +682,7 @@ struct zint_render_line *render_plot_create_line(float x, float y, float width,
{
struct zint_render_line *line;
#ifndef _MSC_VER
line = malloc(sizeof(struct zint_render_line));
#else
line = (struct zint_render_line *)_alloca(sizeof(struct zint_render_line));
#endif
line = (struct zint_render_line*) malloc(sizeof(struct zint_render_line));
line->next = NULL;
line->x = x;
line->y = y;
@ -719,11 +711,7 @@ struct zint_render_ring *render_plot_create_ring(float x, float y, float radius,
{
struct zint_render_ring *ring;
#ifndef _MSC_VER
ring = malloc(sizeof(struct zint_render_ring));
#else
ring = (struct zint_render_ring *)_alloca(sizeof(struct zint_render_ring));
#endif
ring = (struct zint_render_ring *) malloc(sizeof(struct zint_render_ring));
ring->next = NULL;
ring->x = x;
ring->y = y;
@ -748,11 +736,7 @@ struct zint_render_hexagon *render_plot_create_hexagon(float x, float y)
{
struct zint_render_hexagon *hexagon;
#ifndef _MSC_VER
hexagon = malloc(sizeof(struct zint_render_hexagon));
#else
hexagon = (struct zint_render_hexagon *)_alloca(sizeof(struct zint_render_hexagon));
#endif
hexagon = (struct zint_render_hexagon*) malloc(sizeof(struct zint_render_hexagon));
hexagon->next = NULL;
hexagon->x = x;
hexagon->y = y;
@ -781,22 +765,14 @@ int render_plot_add_string(struct zint_symbol *symbol,
{
struct zint_render_string *string;
#ifndef _MSC_VER
string = malloc(sizeof(struct zint_render_string));
#else
string = (struct zint_render_string *)_alloca(sizeof(struct zint_render_string));
#endif
string = (struct zint_render_string*) malloc(sizeof(struct zint_render_string));
string->next = NULL;
string->x = x;
string->y = y;
string->width = width;
string->fsize = fsize;
string->length = ustrlen(text);
#ifndef _MSC_VER
string->text = malloc(sizeof(unsigned char) * (ustrlen(text) + 1));
#else
string->text = (unsigned char *)_alloca((ustrlen(text) + 1) * sizeof(unsigned char));
#endif
string->text = (unsigned char*) malloc(sizeof(unsigned char) * (ustrlen(text) + 1));
ustrcpy(string->text, text);
if (*last_string)