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Allocate PATH_MAX aligned memory size

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Arun Prakash Jana 2021-07-16 00:22:27 +05:30
parent 8ad807d4a9
commit 8af773eb0d
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GPG key ID: A75979F35C080412
1 changed files with 10 additions and 5 deletions
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15
src/nnn.c
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@ -163,6 +163,7 @@
#define ISBLANK(x) ((x) == ' ' || (x) == '\t')
#define TOUPPER(ch) (((ch) >= 'a' && (ch) <= 'z') ? ((ch) - 'a' + 'A') : (ch))
#define CMD_LEN_MAX (PATH_MAX + ((NAME_MAX + 1) << 1))
#define ALIGN_UP(x, A) ((((x) + (A) - 1) / (A)) * (A))
#define READLINE_MAX 256
#define FILTER '/'
#define RFILTER '\\'
@ -1663,8 +1664,9 @@ static void invertselbuf(const int pathlen)
/* Buffer size adjustment */
selbufpos -= shrinklen;
if (alloclen > shrinklen) {
pselbuf = xrealloc(pselbuf, selbuflen + (alloclen - shrinklen));
if (alloclen > shrinklen && ((selbufpos + (alloclen - shrinklen)) > selbuflen)) {
selbuflen = ALIGN_UP(selbufpos + (alloclen - shrinklen), PATH_MAX);
pselbuf = xrealloc(pselbuf, selbuflen);
if (!pselbuf)
errexit();
}
@ -1715,9 +1717,12 @@ static void addtoselbuf(const int pathlen, int startid, int endid)
alloclen += pathlen + dentp->nlen;
}
pselbuf = xrealloc(pselbuf, selbuflen + alloclen);
if (!pselbuf)
errexit();
if ((selbufpos + alloclen) > selbuflen) {
selbuflen = ALIGN_UP(selbufpos + alloclen, PATH_MAX);
pselbuf = xrealloc(pselbuf, selbuflen);
if (!pselbuf)
errexit();
}
for (int i = startid; i <= endid; ++i) {
if (!(pdents[i].flags & FILE_SELECTED)) {