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Explicitly test for cu_fgets returning NULL or !NULL

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MFC after: 3 weeks
Sponsored by: EMC / Isilon Storage Division
This commit is contained in:
Enji Cooper 2016-07-30 04:40:44 +00:00
parent 87ae82101f
commit 131cac80e1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=303538
1 changed files with 2 additions and 2 deletions
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4
usr.bin/sed/compile.c
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@ -546,7 +546,7 @@ compile_subst(const char *p, struct s_subst *s)
if ((text = realloc(text, asize)) == NULL)
err(1, "realloc");
}
} while ((p = cu_fgets(&more)));
} while ((p = cu_fgets(&more)) != NULL);
errx(1, "%lu: %s: unterminated substitute in regular expression",
linenum, fname);
/* NOTREACHED */
@ -733,7 +733,7 @@ compile_text(size_t *ptlen)
if ((text = malloc(asize)) == NULL)
err(1, "malloc");
size = 0;
while ((p = cu_fgets(NULL))) {
while ((p = cu_fgets(NULL)) != NULL) {
op = s = text + size;
for (esc_nl = 0; *p != '\0'; p++) {
if (*p == '\\' && p[1] != '\0' && *++p == '\n')