diff options
Diffstat (limited to 'grab.c')
| -rw-r--r-- | grab.c | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -11,6 +11,7 @@ #if !GRAB_IS_C23 # include <assert.h> # include <stdbool.h> +# define nullptr NULL #endif #include "da.h" @@ -108,13 +109,13 @@ main(int argc, char **argv) setlocale(LC_ALL, ""); - while ((opt = getopt_long(argc, argv, "fhnz", longopts, NULL)) != -1) { + while ((opt = getopt_long(argc, argv, "fhnz", longopts, nullptr)) != -1) { switch (opt) { case 'f': fflag = true; break; case 'h': - execlp("man", "man", "1", argv[0], NULL); + execlp("man", "man", "1", argv[0], nullptr); die("execlp: man 1 %s", argv[0]); case 'n': nflag = true; @@ -131,8 +132,8 @@ main(int argc, char **argv) argv += optind; filecnt = argc - 1; - if (isatty(STDOUT_FILENO) == 1 && env_or_default("NO_COLOR", NULL)) - color = strcmp(env_or_default("TERM", ""), "dumb") == 0; + if (isatty(STDOUT_FILENO) == 1 && !env_or_default("NO_COLOR", nullptr)) + color = strcmp(env_or_default("TERM", ""), "dumb"); ops = comppat(argv[0]); if (argc == 1) @@ -143,7 +144,7 @@ main(int argc, char **argv) if (strcmp(argv[i], "-") == 0) { grab(ops, stdin, "-"); - } else if ((fp = fopen(argv[i], "r")) == NULL) { + } else if ((fp = fopen(argv[i], "r")) == nullptr) { warn("fopen: %s", argv[i]); } else { grab(ops, fp, argv[i]); @@ -206,7 +207,7 @@ grab(struct ops ops, FILE *stream, const char *filename) do { static_assert(sizeof(char) == 1, "sizeof(char) != 1; wtf?"); chars.cap += BUFSIZ; - if ((chars.buf = realloc(chars.buf, chars.cap)) == NULL) + if ((chars.buf = realloc(chars.buf, chars.cap)) == nullptr) die("realloc"); chars.len += n = fread(chars.buf + chars.len, 1, BUFSIZ, stream); } while (n == BUFSIZ); |