mhu/gds-render
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fixed number parser

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This commit is contained in:
Mario Hüttel 2018-05-10 00:49:24 +02:00
parent e245c772f1
commit ccbaf949bf
1 changed files with 13 additions and 7 deletions
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20
gdsparse.c
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@ -124,14 +124,17 @@ static double gds_convert_double(char *data)
static signed int gds_convert_signed_int(char *data)
{
int ret;
if (!data) {
GDS_ERROR("This should not happen");
return 0;
}
return (signed int)((((int)(data[0])) << 24) |
(((int)(data[1])) << 16) |
(((int)(data[2])) << 8) |
(((int)(data[3])) << 0));
ret = (signed int)(((((int)data[0]) & 0xFF) << 24) |
((((int)data[1]) & 0xFF) << 16) |
(((int)(data[2]) & 0xFF) << 8) |
(((int)(data[3]) & 0xFF) << 0));
return ret;
}
static int16_t gds_convert_signed_int16(char *data)
@ -140,8 +143,8 @@ static int16_t gds_convert_signed_int16(char *data)
GDS_ERROR("This should not happen");
return 0;
}
return (int16_t)((((int16_t)(data[0])) << 8) |
(((int16_t)(data[1])) << 0));
return (int16_t)((((int16_t)(data[0]) & 0xFF) << 8) |
(((int16_t)(data[1]) & 0xFF) << 0));
}
@ -552,7 +555,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
} else if (current_graphics) {
for (i = 0; i < read/8; i++) {
x = gds_convert_signed_int(&workbuff[i*8]);
y = gds_convert_signed_int(&workbuff[i*8]);
y = gds_convert_signed_int(&workbuff[i*8+4]);
current_graphics->vertices =
append_vertex(current_graphics->vertices, x, y);
printf("\t\tSet coordinate: %d/%d\n", x, y);
@ -577,6 +580,9 @@ int parse_gds_from_file(const char *filename, GList **library_list)
break;
}
current_graphics->layer = gds_convert_signed_int16(workbuff);
if (current_graphics->layer < 0) {
GDS_WARN("Layer negative! %x %x\n", (unsigned int)workbuff[0], (unsigned int)(unsigned char)workbuff[1]);
}
printf("\t\tAdded layer %d\n", (int)current_graphics->layer);
break;
case MAG: