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Use NULL instead of 0 for pointers.

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fopen(3) returns NULL in case it can't open the STREAM.
fgetln(3) returns NULL if it can't get a line from a STREAM.
malloc returns NULL if it can't allocate memory.
This commit is contained in:
Marcelo Araujo 2016-04-15 03:38:58 +00:00
parent 555bb680cc
commit 2c6167310e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=298028
1 changed files with 3 additions and 3 deletions
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6
usr.sbin/fmtree/excludes.c
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@ -69,10 +69,10 @@ read_excludes_file(const char *name)
size_t len; size_t len;
fp = fopen(name, "r"); fp = fopen(name, "r");
if (fp == 0) if (fp == NULL)
err(1, "%s", name); err(1, "%s", name);
while ((line = fgetln(fp, &len)) != 0) { while ((line = fgetln(fp, &len)) != NULL) {
if (line[len - 1] == '\n') if (line[len - 1] == '\n')
len--; len--;
if (len == 0) if (len == 0)
@ -80,7 +80,7 @@ read_excludes_file(const char *name)
str = malloc(len + 1); str = malloc(len + 1);
e = malloc(sizeof *e); e = malloc(sizeof *e);
if (str == 0 || e == 0) if (str == NULL || e == NULL)
errx(1, "memory allocation error"); errx(1, "memory allocation error");
e->glob = str; e->glob = str;
memcpy(str, line, len); memcpy(str, line, len);