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Get address sanitizer mostly working

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This commit is contained in:
Justine Tunney 2020-09-03 05:44:37 -07:00
parent 1f1f3cd477
commit 7327c345f9
149 changed files with 3777 additions and 3457 deletions
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26
libc/calls/getenv.c
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@ -25,16 +25,22 @@
/**
* Returns value of environment variable, or NULL if not found.
*/
char *getenv(const char *name) {
char **ep;
size_t i, namelen;
char *empty[1] = {0};
ep = environ;
if (!ep) ep = empty;
namelen = strlen(name);
for (i = 0; ep[i]; ++i) {
if (strncmp(ep[i], name, namelen) == 0 && ep[i][namelen] == '=') {
return &ep[i][namelen + 1];
char *getenv(const char *s) {
char **p;
size_t i, j;
if ((p = environ)) {
for (i = 0; p[i]; ++i) {
for (j = 0;; ++j) {
if (!s[j]) {
if (p[i][j] == '=') {
return &p[i][j + 1];
}
break;
}
if (s[j] != p[i][j]) {
break;
}
}
}
}
return NULL;