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linux: fix for opening relative paths via cmdline

This commit is contained in:
Alex Baines 2017-01-04 17:03:22 +00:00
parent 5f00639970
commit 11230acab9
1 changed files with 10 additions and 3 deletions
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9
linux_4ed.cpp
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@ -455,6 +455,11 @@ Sys_Get_Canonical_Sig(system_get_canonical){
char* write_p = path;
const char* read_p = filename;
// return 0 for relative paths (e.g. cmdline args)
if(len > 0 && filename[0] != '/'){
return 0;
}
while(read_p < filename + len){
if(read_p == filename || read_p[0] == '/'){
if(read_p[1] == '/'){
@ -529,9 +534,11 @@ Sys_Load_File_Sig(system_load_file){
int fd = *(int*)&handle;
do {
ssize_t n = read(fd, buffer, size);
if(n == -1 && errno != EAGAIN){
if(n == -1){
if(errno != EINTR){
perror("read");
break;
}
} else {
size -= n;
buffer += n;