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Check return values of fread in rgblink

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Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
This commit is contained in:
Antonio Niño Díaz
2017-08-21 23:35:52 +01:00
parent 4b0dfd4f4a
commit 0c71f5a4e9
1 changed files with 9 additions and 2 deletions
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11
src/link/output.c
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@@ -2,6 +2,7 @@
#include <stdlib.h>
#include <string.h>
#include "extern/err.h"
#include "link/mylink.h"
#include "link/mapfile.h"
#include "link/main.h"
@@ -24,7 +25,10 @@ writehome(FILE * f, FILE * f_overlay)
if (f_overlay != NULL) {
fseek(f_overlay, 0L, SEEK_SET);
fread(mem, 1, MaxAvail[BANK_ROM0], f_overlay);
if (fread(mem, 1, MaxAvail[BANK_ROM0], f_overlay) !=
MaxAvail[BANK_ROM0]) {
warnx("Failed to read data from overlay file.");
}
} else {
memset(mem, fillchar, MaxAvail[BANK_ROM0]);
}
@@ -58,7 +62,10 @@ writebank(FILE * f, FILE * f_overlay, SLONG bank)
if (f_overlay != NULL && bank <= MaxOverlayBank) {
fseek(f_overlay, bank*0x4000, SEEK_SET);
fread(mem, 1, MaxAvail[bank], f_overlay);
if (fread(mem, 1, MaxAvail[bank], f_overlay) !=
MaxAvail[bank]) {
warnx("Failed to read data from overlay file.");
}
} else {
memset(mem, fillchar, MaxAvail[bank]);
}