jeang3nie/libsemver
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Make parsePreRelease copy the original string into a fixed width

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buffer so it avoids modifying the original string via `strntok` or
similar
This commit is contained in:
Nathan Fisher 2024-02-12 12:20:29 -05:00
parent 9451f29440
commit 0606189269
1 changed files with 5 additions and 1 deletions
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6
semver.c
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@ -130,8 +130,12 @@ int parseGitRev(char *vp, GitRevision *git) {
int parsePreRelease(PreRelease *pr, char *s) {
PreReleaseTag tag;
long val = 0;
char *vp;
char v[50];
char *vp = (char *)v;
ssize_t len = strnlen(s, 52);
if (len > 50) return 1;
memcpy(s, vp, len);
if (strncasecmp(s, "alpha", 5) == 0) {
tag = Alpha;
vp = s + 5;