mhu/gds-render
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fix bug in parser

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This commit is contained in:
Mario Hüttel 2018-05-31 02:16:12 +02:00
parent 8455491c11
commit dc208c6ad3
1 changed files with 18 additions and 8 deletions
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26
gds-parser/gds-parser.c
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@ -387,7 +387,7 @@ void gds_parse_date(const char *buffer, int length, struct gds_time_field *mod_d
int parse_gds_from_file(const char *filename, GList **library_list)
{
char workbuff[1024];
char *workbuff;
int read;
int i;
int run = 1;
@ -404,6 +404,12 @@ int parse_gds_from_file(const char *filename, GList **library_list)
lib_list = *library_list;
/* Allocate working buffer */
workbuff = (char *)malloc(sizeof(char)*128*1024);
if(!workbuff)
return -100;
/* open File */
gds_file = fopen(filename, "r");
if (gds_file == NULL) {
@ -428,8 +434,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
break;
}
rec_data_length = (uint16_t)((((uint16_t)(workbuff[0])) << 8) |
(uint16_t)(workbuff[1]));
rec_data_length = gds_convert_unsigend_int16(workbuff);
if (rec_data_length < 4) {
/* Possible Zero-Padding: */
@ -452,8 +457,7 @@ int parse_gds_from_file(const char *filename, GList **library_list)
GDS_ERROR("Unexpected end of file");
break;
}
rec_type = (uint16_t)((((uint16_t)(workbuff[0])) << 8) |
(uint16_t)(workbuff[1]));
rec_type = gds_convert_unsigend_int16(workbuff);
/* if begin: Allocate structures */
switch (rec_type) {
@ -595,7 +599,8 @@ int parse_gds_from_file(const char *filename, GList **library_list)
read = fread(workbuff, sizeof(char), rec_data_length, gds_file);
if (read != rec_data_length) {
GDS_ERROR("Could not read enough data");
GDS_ERROR("Could not read enough data: requested: %u, read: %u | Type: %04x\n",
(unsigned int)rec_data_length, (unsigned int)read, (unsigned int)rec_type);
run = -5;
break;
}
@ -696,10 +701,15 @@ int parse_gds_from_file(const char *filename, GList **library_list)
fclose(gds_file);
/* Iterate and find references to cells */
g_list_foreach(lib_list, scan_library_references, NULL);
if (!run) {
/* Iterate and find references to cells */
g_list_foreach(lib_list, scan_library_references, NULL);
}
*library_list = lib_list;
free(workbuff);
return run;
}