int main() {
char *str1 = istring_mk(NULL);
char *str2 = istring_mk("Anders");
char *str3 = istring_mk("Alander");
char *str4 = istring_mk(" ");
char *str9 = istring_to_string(str2);
char *str5 = istrcat(str9,str4);
char *str11 = istring_to_string(str5);
char *str6 = istrcat(str11, str3);
char *str7 = istring_to_string(str6);
char *str8 = istring_mk("Erik");
char *str10 = istring_to_string(str5);
char *str12 = "Anders Ålander";
char *str13 = istrncat(str9, str3,2);
printf("An empty istring has length %zu\n", istrlen(str1));
printf("My first name is %s\n",str2);
printf("My last name is %s\n",str3);
printf("My name concatenated is %s\n", str6);
printf("%s concatenated with the first %d chars from %s is %s\n", str2, 2, str3, str13);
printf("%s has length %zu\n", str6, istrlen(str6));
printf("%s is my name stored as normal string, it also has length %zu\n", str7, strlen(str7));
printf("An istring's length can be changed without touching the string itself. %s has length %zu\n", str2, istrlen(str2));
str2 = istrslen(str2, 15);
printf("but we can change it to %zu\n", istrlen(str2));
printf("Returns a pointer to the first given character in %s, for example a pointer to 's'gives %s\n", str2, istrchr(str2,'s'));
printf("Same as above but from the end of %s. Pointer to 's' gives %s\n", str2, istrrchr(str2, 's'));
printf("Are the strings %s and %s equal? %s\n", str2, str3, istrcmp(str2,str3)?"no":"yes");
printf("Which one of %s and %s is greatest? %s\n", str2, str3, istrcmp(str2,str3)<0?str2:str3);
printf("Compares the first %d characters in %s and %s. The substring of %s is greatest\n", 3, str2, str3, istrncmp(str2, str3, 3) > 0?str3:str2);
printf("The result of copying %s into %s is %s\n", str8, str12, istrcpy(str7, str8));
printf("The result of copying %d chars from %s into %s is %s\n", 3, str8, str12, istrncpy(str7,str8,3));
istring_rm(str1);
istring_rm(str2);
istring_rm(str3);
istring_rm(str4);
istring_rm(str5);
istring_rm(str6);
free(str7);
istring_rm(str8);
free(str9);
free(str10);
free(str11);
istring_rm(str13);
return 0;
}
/* resolved is an *input*, initially uninitialized */
char *fb_realpath(const char *path, char *resolved)
{
int rootd;
char wbuf[MAXPATHLEN];
int resultcode;
char tmp [MAXPATHLEN];
int p, q;
(void) strncpy(resolved, path, MAXPATHLEN - 1);
resolved[MAXPATHLEN - 1] = EOS;
/* Once this loop terminates, the final slash in resolved has been
* replaced with an EOS, and p points to the filename after it.
*/
q = istrrchr(resolved, '/');
if (q != -1) {
/* p is whatever's after the last slash */
p = q + 1;
}
else
/* no slashes found ==> just a filename */
p = 0;
/* wbuf contains the filename, but not the path to it */
strcpy(wbuf, resolved + p);
if (getcwd(resolved, MAXPATHLEN) == NULL)
return NULL;
if (resolved[0] == '/' && resolved[1] == EOS)
rootd = 1;
else
rootd = 0;
if (wbuf[0] != EOS) {
if (strlen(resolved) + strlen(wbuf) + !rootd + 1 > MAXPATHLEN) {
return NULL;
}
if (rootd == 0)
(void) strcat(resolved, "/");
/* OK */
(void) r_strcat(resolved, wbuf);
}
return (NULL);
}
/* resolved is an *input*, initially uninitialized */
char *fb_realpath(const char *path, char *resolved)
{
int rootd;
char wbuf[MAXPATHLEN];
int resultcode;
char tmp [MAXPATHLEN];
int p, q;
(void) strncpy(resolved, path, MAXPATHLEN - 1);
resolved[MAXPATHLEN - 1] = EOS;
/* Once this loop terminates, the final slash in resolved has been
* replaced with an EOS, and p points to the filename after it.
*/
q = istrrchr(resolved, '/');
if (q != -1) {
/* p is whatever's after the last slash */
p = q + 1;
if (q == 0) {
/* Don't do anything. Originally, q was a pointer, we set it
* to "/", and chdir'd to "/". Since we're chopping out the chdir,
* we don't need to do anything.
*/
} else {
/* chops off the last slash and terminates resolved[] at it */
do {
--q;
} while (q > 0 && resolved[q] == '/');
resolved[q+1] = EOS;
q = 0;
}
}
else
/* no slashes found ==> just a filename */
p = 0;
/* wbuf contains the filename, but not the path to it */
strcpy(wbuf, resolved + p);
if (getcwd(resolved, MAXPATHLEN) == NULL)
return NULL;
if (resolved[0] == '/' && resolved[1] == EOS)
rootd = 1;
else
rootd = 0;
if (wbuf[0] != EOS) {
if (strlen(resolved) + strlen(wbuf) + !rootd + 1 > MAXPATHLEN) {
return NULL;
}
if (rootd == 0)
(void) strcat(resolved, "/");
/* OK */
(void) r_strcat(resolved, wbuf);
}
return (NULL);
}
