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Make object file magic string a common define

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Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
This commit is contained in:
Antonio Niño Díaz
2017-07-29 13:11:26 +01:00
parent 840ddcecd2
commit ec171c5f00
3 changed files with 26 additions and 13 deletions
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28
src/link/object.c
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@@ -3,11 +3,13 @@
*
*/
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common.h"
#include "extern/err.h"
#include "link/assign.h"
#include "link/mylink.h"
@@ -332,20 +334,22 @@ obj_ReadRGB(FILE * pObjfile, char *tzObjectfile)
void
obj_ReadOpenFile(FILE * pObjfile, char *tzObjectfile)
{
char tzHeader[8];
char tzHeader[strlen(RGBDS_OBJECT_VERSION_STRING) + 1];
fread(tzHeader, sizeof(char), 4, pObjfile);
tzHeader[4] = 0;
if (strncmp(tzHeader, "RGB", 3) == 0) {
switch (tzHeader[3]) {
case '5':
obj_ReadRGB(pObjfile, tzObjectfile);
break;
default:
errx(1, "'%s' uses an unsupported object file version (%s). Please reassemble it.", tzObjectfile, tzHeader);
}
fread(tzHeader, sizeof(char), strlen(RGBDS_OBJECT_VERSION_STRING),
pObjfile);
tzHeader[strlen(RGBDS_OBJECT_VERSION_STRING)] = 0;
if (strncmp(tzHeader, RGBDS_OBJECT_VERSION_STRING,
strlen(RGBDS_OBJECT_VERSION_STRING)) == 0) {
obj_ReadRGB(pObjfile, tzObjectfile);
} else {
errx(1, "'%s' is not a valid object", tzObjectfile);
for (int i = 0; i < strlen(RGBDS_OBJECT_VERSION_STRING); i++)
if (!isprint(tzHeader[i]))
tzHeader[i] = '?';
errx(1, "%s: Invalid file or object file version [%s]",
tzObjectfile, tzHeader);
}
}