89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "bbs.h"
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void die(const char *msg) {
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dolog(msg);
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exit(-1);
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}
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void *malloz(size_t size) {
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void *p = malloc(size);
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if (p == NULL)
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die("Out of memory");
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memset(p, 0, size);
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return p;
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}
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char *file2str(const char *path) {
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struct stat s;
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int fd;
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memset(&s, 0, sizeof(s));
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if (stat(path, &s) < 0)
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return NULL;
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if (!S_ISREG(s.st_mode))
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return NULL;
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fd = open(path, O_RDONLY);
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if (fd < 0)
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return NULL;
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char *contents = malloz(s.st_size + 1);
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if (read(fd, contents, s.st_size) != s.st_size) {
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free(contents);
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close(fd);
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return NULL;
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}
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close(fd);
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contents[s.st_size] = '\0';
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return contents;
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}
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char *str5dup(const char *a, const char *b, const char *c, const char *d, const char *e) {
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char *p;
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size_t alen, blen, clen, dlen, elen;
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if (a == NULL)
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a = "";
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if (b == NULL)
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b = "";
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if (c == NULL)
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c = "";
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if (d == NULL)
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d = "";
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if (e == NULL)
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e = "";
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alen = strlen(a);
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blen = strlen(b);
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clen = strlen(c);
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dlen = strlen(d);
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elen = strlen(e);
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p = malloz(alen + blen + clen + dlen + elen + 1);
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memmove(p, a, alen);
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memmove(p + alen, b, blen);
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memmove(p + alen + blen, c, clen);
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memmove(p + alen + blen + clen, d, dlen);
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memmove(p + alen + blen + clen + dlen, e, elen);
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return p;
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}
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char *str4dup(const char *a, const char *b, const char *c, const char *d) {
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return str5dup(a, b, c, d, "");
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}
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char *str3dup(const char *a, const char *b, const char *c) {
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return str5dup(a, b, c, "", "");
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}
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char *str2dup(const char *a, const char *b) {
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return str5dup(a, b, "", "", "");
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}
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