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author | Tom Ryder <tom@sanctum.geek.nz> | 2016-05-27 09:17:43 +1200 |
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committer | Tom Ryder <tom@sanctum.geek.nz> | 2016-05-27 09:21:28 +1200 |
commit | cb7abfb92d2c1fba40c686f28ab55f8a8fa931eb (patch) | |
tree | 5242cc6a3b130872282b7cb2c75dd848bd81805f | |
parent | Simplify types for sort func (diff) | |
download | tunics-cb7abfb92d2c1fba40c686f28ab55f8a8fa931eb.tar.gz tunics-cb7abfb92d2c1fba40c686f28ab55f8a8fa931eb.zip |
Use implicit NULL tests
-rw-r--r-- | ls.c | 4 | ||||
-rw-r--r-- | pwd.c | 2 | ||||
-rw-r--r-- | sort.c | 4 | ||||
-rw-r--r-- | whoami.c | 2 |
4 files changed, 6 insertions, 6 deletions
@@ -12,13 +12,13 @@ int main(int argc, char **argv) dirname = "."; } - if ((dir = opendir(dirname)) == NULL) { + if (!(dir = opendir(dirname))) { perror("opendir"); free(dir); exit(EXIT_FAILURE); } - while ((dirent = readdir(dir)) != NULL) { + while ((dirent = readdir(dir))) { fprintf(stdout, "%s\n", dirent->d_name); } if (errno) { @@ -3,7 +3,7 @@ int main(void) { char buf[PATH_MAX]; - if (getcwd(buf, sizeof(buf)) == NULL) { + if (!getcwd(buf, sizeof(buf))) { perror("getcwd"); exit(EXIT_FAILURE); } @@ -7,7 +7,7 @@ int main(void) { lines = vec_init(); - while ((line = read_line(stdin)) != NULL) { + while ((line = read_line(stdin))) { vec_add(lines, line); } free(line); @@ -34,7 +34,7 @@ char *read_line(FILE* stream) { buf = malloc(BUF_SIZE); for (;;) { - if (fgets(buf, BUF_SIZE, stream) == NULL) { + if (!fgets(buf, BUF_SIZE, stream)) { free(buf); free(line); return NULL; @@ -3,7 +3,7 @@ int main(void) { struct passwd *p; - if ((p = getpwuid(getuid())) == NULL) { + if (!(p = getpwuid(getuid()))) { exit(EXIT_FAILURE); } |