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-rw-r--r--src/pacman/util.c143
1 files changed, 82 insertions, 61 deletions
diff --git a/src/pacman/util.c b/src/pacman/util.c
index 3d268031..c4773481 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -37,6 +37,9 @@
#include <unistd.h>
#include <limits.h>
#include <wchar.h>
+#ifdef HAVE_TERMIOS_H
+#include <termios.h> /* tcflush */
+#endif
#include <alpm.h>
#include <alpm_list.h>
@@ -68,9 +71,9 @@ int trans_init(pmtransflag_t flags)
fprintf(stderr, _(" try running pacman-db-upgrade\n"));
}
- return(-1);
+ return -1;
}
- return(0);
+ return 0;
}
int trans_release(void)
@@ -78,28 +81,40 @@ int trans_release(void)
if(alpm_trans_release() == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to release transaction (%s)\n"),
alpm_strerrorlast());
- return(-1);
+ return -1;
}
- return(0);
+ return 0;
}
int needs_root(void)
{
switch(config->op) {
case PM_OP_DATABASE:
- return(1);
+ return 1;
case PM_OP_UPGRADE:
case PM_OP_REMOVE:
- return(!config->print);
+ return !config->print;
case PM_OP_SYNC:
- return(config->op_s_clean || config->op_s_sync ||
+ return (config->op_s_clean || config->op_s_sync ||
(!config->group && !config->op_s_info && !config->op_q_list &&
!config->op_s_search && !config->print));
default:
- return(0);
+ return 0;
}
}
+/* discard unhandled input on the terminal's input buffer */
+static int flush_term_input(void) {
+#ifdef HAVE_TCFLUSH
+ if(isatty(fileno(stdin))) {
+ return(tcflush(fileno(stdin), TCIFLUSH));
+ }
+#endif
+
+ /* fail silently */
+ return 0;
+}
+
/* gets the current screen column width */
int getcols(void)
{
@@ -125,24 +140,24 @@ int rmrf(const char *path)
DIR *dirp;
if(!unlink(path)) {
- return(0);
+ return 0;
} else {
if(errno == ENOENT) {
- return(0);
+ return 0;
} else if(errno == EPERM) {
/* fallthrough */
} else if(errno == EISDIR) {
/* fallthrough */
} else if(errno == ENOTDIR) {
- return(1);
+ return 1;
} else {
/* not a directory */
- return(1);
+ return 1;
}
dirp = opendir(path);
if(!dirp) {
- return(1);
+ return 1;
}
for(dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
if(dp->d_ino) {
@@ -157,7 +172,7 @@ int rmrf(const char *path)
if(rmdir(path)) {
errflag++;
}
- return(errflag);
+ return errflag;
}
}
@@ -170,9 +185,9 @@ const char *mbasename(const char *path)
{
const char *last = strrchr(path, '/');
if(last) {
- return(last + 1);
+ return last + 1;
}
- return(path);
+ return path;
}
/** Parse the dirname of a program from a path.
@@ -187,7 +202,7 @@ char *mdirname(const char *path)
/* null or empty path */
if(path == NULL || path == '\0') {
- return(strdup("."));
+ return strdup(".");
}
ret = strdup(path);
@@ -196,11 +211,11 @@ char *mdirname(const char *path)
if(last != NULL) {
/* we found a '/', so terminate our string */
*last = '\0';
- return(ret);
+ return ret;
}
/* no slash found */
free(ret);
- return(strdup("."));
+ return strdup(".");
}
/* output a string, but wrap words properly with a specified indentation
@@ -286,7 +301,7 @@ char *strtrim(char *str)
if(str == NULL || *str == '\0') {
/* string is empty, so we're done. */
- return(str);
+ return str;
}
while(isspace((unsigned char)*pch)) {
@@ -298,7 +313,7 @@ char *strtrim(char *str)
/* check if there wasn't anything but whitespace in the string. */
if(*str == '\0') {
- return(str);
+ return str;
}
pch = (str + (strlen(str) - 1));
@@ -307,7 +322,7 @@ char *strtrim(char *str)
}
*++pch = '\0';
- return(str);
+ return str;
}
/* Replace all occurances of 'needle' with 'replace' in 'str', returning
@@ -321,7 +336,7 @@ char *strreplace(const char *str, const char *needle, const char *replace)
size_t newsz;
if(!str) {
- return(NULL);
+ return NULL;
}
p = str;
@@ -334,7 +349,7 @@ char *strreplace(const char *str, const char *needle, const char *replace)
/* no occurences of needle found */
if(!list) {
- return(strdup(str));
+ return strdup(str);
}
/* size of new string = size of old string + "number of occurences of needle"
* x "size difference between replace and needle" */
@@ -342,7 +357,7 @@ char *strreplace(const char *str, const char *needle, const char *replace)
alpm_list_count(list) * (replacesz - needlesz);
newstr = malloc(newsz);
if(!newstr) {
- return(NULL);
+ return NULL;
}
*newstr = '\0';
@@ -368,7 +383,7 @@ char *strreplace(const char *str, const char *needle, const char *replace)
}
*newp = '\0';
- return(newstr);
+ return newstr;
}
/** Splits a string into a list of strings using the chosen character as
@@ -388,7 +403,7 @@ alpm_list_t *strsplit(const char *str, const char splitchar)
while((str = strchr(str, splitchar))) {
dup = strndup(prev, (size_t)(str - prev));
if(dup == NULL) {
- return(NULL);
+ return NULL;
}
list = alpm_list_add(list, dup);
@@ -398,11 +413,11 @@ alpm_list_t *strsplit(const char *str, const char splitchar)
dup = strdup(prev);
if(dup == NULL) {
- return(NULL);
+ return NULL;
}
list = alpm_list_add(list, dup);
- return(list);
+ return list;
}
static int string_length(const char *s)
@@ -411,7 +426,7 @@ static int string_length(const char *s)
wchar_t *wcstr;
if(!s) {
- return(0);
+ return 0;
}
/* len goes from # bytes -> # chars -> # cols */
len = strlen(s) + 1;
@@ -420,7 +435,7 @@ static int string_length(const char *s)
len = wcswidth(wcstr, len);
free(wcstr);
- return(len);
+ return len;
}
void string_display(const char *title, const char *string)
@@ -568,11 +583,11 @@ static off_t pkg_get_size(pmpkg_t *pkg)
{
switch(config->op) {
case PM_OP_SYNC:
- return(alpm_pkg_download_size(pkg));
+ return alpm_pkg_download_size(pkg);
case PM_OP_UPGRADE:
- return(alpm_pkg_get_size(pkg));
+ return alpm_pkg_get_size(pkg);
default:
- return(alpm_pkg_get_isize(pkg));
+ return alpm_pkg_get_isize(pkg);
}
}
@@ -588,14 +603,14 @@ static char *pkg_get_location(pmpkg_t *pkg)
if(dburl) {
char *pkgurl = NULL;
pm_asprintf(&pkgurl, "%s/%s", dburl, alpm_pkg_get_filename(pkg));
- return(pkgurl);
+ return pkgurl;
}
case PM_OP_UPGRADE:
- return(strdup(alpm_pkg_get_filename(pkg)));
+ return strdup(alpm_pkg_get_filename(pkg));
default:
string = NULL;
pm_asprintf(&string, "%s-%s", alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg));
- return(string);
+ return string;
}
}
@@ -657,7 +672,7 @@ void print_packages(const alpm_list_t *packages)
* alpm "compare func" signature */
int str_cmp(const void *s1, const void *s2)
{
- return(strcmp(s1, s2));
+ return strcmp(s1, s2);
}
void display_new_optdepends(pmpkg_t *oldpkg, pmpkg_t *newpkg)
@@ -726,13 +741,13 @@ static int parseindex(char *s, int *val, int min, int max)
if(n < min || n > max) {
fprintf(stderr, _("Invalid value: %d is not between %d and %d\n"),
n, min, max);
- return(-1);
+ return -1;
}
*val = n;
- return(0);
+ return 0;
} else {
fprintf(stderr, _("Invalid number: %s\n"), s);
- return(-1);
+ return -1;
}
}
@@ -773,14 +788,14 @@ static int multiselect_parse(char *array, int count, char *response)
}
if(parseindex(starts, &start, 1, count) != 0)
- return(-1);
+ return -1;
if(!ends) {
array[start-1] = include;
} else {
int d;
if(parseindex(ends, &end, start, count) != 0) {
- return(-1);
+ return -1;
}
for(d = start; d <= end; d++) {
array[d-1] = include;
@@ -788,7 +803,7 @@ static int multiselect_parse(char *array, int count, char *response)
}
}
- return(0);
+ return 0;
}
int multiselect_question(char *array, int count)
@@ -815,6 +830,8 @@ int multiselect_question(char *array, int count)
break;
}
+ flush_term_input();
+
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) > 0) {
@@ -826,7 +843,7 @@ int multiselect_question(char *array, int count)
}
break;
}
- return(0);
+ return 0;
}
int select_question(int count)
@@ -852,19 +869,21 @@ int select_question(int count)
break;
}
+ flush_term_input();
+
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) > 0) {
int n;
if(parseindex(response, &n, 1, count) != 0)
continue;
- return(n-1);
+ return (n - 1);
}
}
break;
}
- return(preset-1);
+ return (preset - 1);
}
@@ -895,23 +914,25 @@ static int question(short preset, char *fmt, va_list args)
if(config->noconfirm) {
fprintf(stream, "\n");
- return(preset);
+ return preset;
}
fflush(stream);
+ flush_term_input();
+
if(fgets(response, sizeof(response), stdin)) {
strtrim(response);
if(strlen(response) == 0) {
- return(preset);
+ return preset;
}
if(strcasecmp(response, _("Y")) == 0 || strcasecmp(response, _("YES")) == 0) {
- return(1);
+ return 1;
} else if (strcasecmp(response, _("N")) == 0 || strcasecmp(response, _("NO")) == 0) {
- return(0);
+ return 0;
}
}
- return(0);
+ return 0;
}
int yesno(char *fmt, ...)
@@ -923,7 +944,7 @@ int yesno(char *fmt, ...)
ret = question(1, fmt, args);
va_end(args);
- return(ret);
+ return ret;
}
int noyes(char *fmt, ...)
@@ -935,7 +956,7 @@ int noyes(char *fmt, ...)
ret = question(0, fmt, args);
va_end(args);
- return(ret);
+ return ret;
}
int pm_printf(pmloglevel_t level, const char *format, ...)
@@ -948,7 +969,7 @@ int pm_printf(pmloglevel_t level, const char *format, ...)
ret = pm_vfprintf(stdout, level, format, args);
va_end(args);
- return(ret);
+ return ret;
}
int pm_fprintf(FILE *stream, pmloglevel_t level, const char *format, ...)
@@ -961,7 +982,7 @@ int pm_fprintf(FILE *stream, pmloglevel_t level, const char *format, ...)
ret = pm_vfprintf(stream, level, format, args);
va_end(args);
- return(ret);
+ return ret;
}
int pm_asprintf(char **string, const char *format, ...)
@@ -977,7 +998,7 @@ int pm_asprintf(char **string, const char *format, ...)
}
va_end(args);
- return(ret);
+ return ret;
}
int pm_vasprintf(char **string, pmloglevel_t level, const char *format, va_list args)
@@ -1013,7 +1034,7 @@ int pm_vasprintf(char **string, pmloglevel_t level, const char *format, va_list
}
free(msg);
- return(ret);
+ return ret;
}
int pm_vfprintf(FILE *stream, pmloglevel_t level, const char *format, va_list args)
@@ -1061,7 +1082,7 @@ int pm_vfprintf(FILE *stream, pmloglevel_t level, const char *format, va_list ar
/* print the message using va_arg list */
ret = vfprintf(stream, format, args);
- return(ret);
+ return ret;
}
#ifndef HAVE_STRNDUP
@@ -1070,7 +1091,7 @@ static size_t strnlen(const char *s, size_t max)
{
register const char *p;
for(p = s; *p && max--; ++p);
- return(p - s);
+ return (p - s);
}
char *strndup(const char *s, size_t n)
@@ -1082,7 +1103,7 @@ char *strndup(const char *s, size_t n)
return NULL;
new[len] = '\0';
- return (char *) memcpy(new, s, len);
+ return (char *)memcpy(new, s, len);
}
#endif