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* src/implicit.c (pattern_search): Use const ptrs when possible.

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Change suggested by Joe Filion <joefilion4@gmail.com>
This commit is contained in:
Paul Smith 2022-01-19 17:43:57 -05:00
parent 15db387f18
commit f485881d4a
1 changed files with 12 additions and 10 deletions
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22
src/implicit.c
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@ -539,7 +539,6 @@ pattern_search (struct file *file, int archive,
while (1)
{
struct dep *dl, *d;
char *p;
/* If we're out of name to parse, start the next prereq. */
if (! nptr)
@ -553,9 +552,10 @@ pattern_search (struct file *file, int archive,
/* If we don't need a second expansion, just replace the %. */
if (! dep->need_2nd_expansion)
{
char *p;
int is_explicit = 1;
p = strchr (nptr, '%');
if (p == 0)
const char *cp = strchr (nptr, '%');
if (cp == 0)
strcpy (depname, nptr);
else
{
@ -565,11 +565,11 @@ pattern_search (struct file *file, int archive,
memcpy (o, filename, pathlen);
o += pathlen;
}
memcpy (o, nptr, p - nptr);
o += p - nptr;
memcpy (o, nptr, cp - nptr);
o += cp - nptr;
memcpy (o, stem, stemlen);
o += stemlen;
strcpy (o, p + 1);
strcpy (o, cp + 1);
is_explicit = 0;
}
@ -603,6 +603,8 @@ pattern_search (struct file *file, int archive,
size_t len;
struct dep **dptr;
int is_explicit;
const char *cp;
char *p;
nptr = get_next_word (nptr, &len);
if (nptr == 0)
@ -627,8 +629,8 @@ pattern_search (struct file *file, int archive,
(since $* and $(*F) are simple variables) there won't be
additional re-expansion of the stem. */
p = lindex (nptr, nptr + len, '%');
if (p == 0)
cp = lindex (nptr, nptr + len, '%');
if (cp == 0)
{
memcpy (depname, nptr, len);
depname[len] = '\0';
@ -636,7 +638,7 @@ pattern_search (struct file *file, int archive,
}
else
{
size_t i = p - nptr;
size_t i = cp - nptr;
char *o = depname;
memcpy (o, nptr, i);
o += i;
@ -651,7 +653,7 @@ pattern_search (struct file *file, int archive,
memcpy (o, "$*", 2);
o += 2;
}
memcpy (o, p + 1, len - i - 1);
memcpy (o, cp + 1, len - i - 1);
o[len - i - 1] = '\0';
is_explicit = 0;
}