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src/file_shp.c: switch size field to unsigned

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This commit is contained in:
Christophe Grenier 2023-10-08 14:36:52 +02:00
parent 396a3e9c65
commit d5a16ce5da
1 changed files with 2 additions and 2 deletions
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4
src/file_shp.c
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@ -53,7 +53,7 @@ struct shp_header
{ {
int32_t magic; int32_t magic;
int32_t reserved[5]; int32_t reserved[5];
int32_t size; uint32_t size;
int32_t version; int32_t version;
int32_t shape_type; int32_t shape_type;
} __attribute__ ((gcc_struct, __packed__)); } __attribute__ ((gcc_struct, __packed__));
@ -99,7 +99,7 @@ struct shp_header
static int header_check_shp(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new) static int header_check_shp(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{ {
const struct shp_header *shp=(const struct shp_header *)buffer; const struct shp_header *shp=(const struct shp_header *)buffer;
const uint64_t size = 2 * be32(shp->size); const uint64_t size = (uint64_t)2 * be32(shp->size);
if(le32(shp->version) != 1000) if(le32(shp->version) != 1000)
return 0; return 0;