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Check fwrite return value

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Rodrigo Arias 2023-03-21 10:52:24 +01:00 committed by Rodrigo Arias Mallo
parent 9304e84262
commit 2e91d29ae9
1 changed files with 9 additions and 3 deletions
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12
src/emu/pv/cfg.c
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@ -34,14 +34,20 @@ copy_file(const char *src, const char *dst)
return -1;
}
int ret = 0;
size_t bytes;
while ((bytes = fread(buffer, 1, sizeof(buffer), infile)) > 0)
fwrite(buffer, 1, bytes, outfile);
while ((bytes = fread(buffer, 1, sizeof(buffer), infile)) > 0) {
if (fwrite(buffer, 1, bytes, outfile) != bytes) {
err("fwrite failed");
ret = -1;
break;
}
}
fclose(outfile);
fclose(infile);
return 0;
return ret;
}
static int