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-rw-r--r--lib/libalpm/util.c67
1 files changed, 56 insertions, 11 deletions
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index 15e69b79..daefa391 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -161,7 +161,7 @@ int _alpm_copyfile(const char *src, const char *dest)
}
/* Convert a string to uppercase
- */
+*/
char *_alpm_strtoupper(char *str)
{
char *ptr = str;
@@ -174,7 +174,7 @@ char *_alpm_strtoupper(char *str)
}
/* Trim whitespace and newlines from a string
- */
+*/
char *_alpm_strtrim(char *str)
{
char *pch = str;
@@ -205,8 +205,53 @@ char *_alpm_strtrim(char *str)
return(str);
}
+/* Helper function for _alpm_strreplace */
+static void _strnadd(char **str, const char *append, unsigned int count)
+{
+ if(*str) {
+ *str = realloc(*str, strlen(*str) + count + 1);
+ } else {
+ *str = calloc(sizeof(char), count + 1);
+ }
+
+ strncat(*str, append, count);
+}
+
+/* Replace all occurances of 'needle' with 'replace' in 'str', returning
+ * a new string (must be free'd) */
+char *_alpm_strreplace(const char *str, const char *needle, const char *replace)
+{
+ const char *p, *q;
+ p = q = str;
+
+ char *newstr = NULL;
+ unsigned int needlesz = strlen(needle),
+ replacesz = strlen(replace);
+
+ while (1) {
+ q = strstr(p, needle);
+ if(!q) { /* not found */
+ if(*p) {
+ /* add the rest of 'p' */
+ _strnadd(&newstr, p, strlen(p));
+ }
+ break;
+ } else { /* found match */
+ if(q > p){
+ /* add chars between this occurance and last occurance, if any */
+ _strnadd(&newstr, p, q - p);
+ }
+ _strnadd(&newstr, replace, replacesz);
+ p = q + needlesz;
+ }
+ }
+
+ return newstr;
+}
+
+
/* Create a lock file
- */
+*/
int _alpm_lckmk(const char *file)
{
int fd, count = 0;
@@ -234,7 +279,7 @@ int _alpm_lckmk(const char *file)
}
/* Remove a lock file
- */
+*/
int _alpm_lckrm(const char *file)
{
if(unlink(file) == -1 && errno != ENOENT) {
@@ -244,7 +289,7 @@ int _alpm_lckrm(const char *file)
}
/* Compression functions
- */
+*/
int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
{
@@ -252,8 +297,8 @@ int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
struct archive_entry *entry;
char expath[PATH_MAX];
const int archive_flags = ARCHIVE_EXTRACT_OWNER |
- ARCHIVE_EXTRACT_PERM |
- ARCHIVE_EXTRACT_TIME;
+ ARCHIVE_EXTRACT_PERM |
+ ARCHIVE_EXTRACT_TIME;
ALPM_LOG_FUNC;
@@ -278,14 +323,14 @@ int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
archive_entry_set_pathname(entry, expath);
if(archive_read_extract(_archive, entry, archive_flags) != ARCHIVE_OK) {
_alpm_log(PM_LOG_ERROR, _("could not extract %s: %s\n"), archive_entry_pathname(entry), archive_error_string(_archive));
- return(1);
+ return(1);
}
if(fn) {
break;
}
}
-
+
archive_read_finish(_archive);
return(0);
}
@@ -349,8 +394,8 @@ int _alpm_logaction(unsigned short usesyslog, FILE *f, const char *str)
/* Use ISO-8601 date format */
fprintf(f, "[%04d-%02d-%02d %02d:%02d] %s\n",
- tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
- tm->tm_hour, tm->tm_min, str);
+ tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
+ tm->tm_hour, tm->tm_min, str);
fflush(f);
}