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-rw-r--r--src/util.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/src/util.c b/src/util.c
index a5e7c02..8cf0608 100644
--- a/src/util.c
+++ b/src/util.c
@@ -12,48 +12,48 @@
FILE *
pexecvp(const char *file, char *const argv[], pid_t *pid, char *type) {
- FILE *iop;
- int pdes[2];
-
- if (pipe(pdes) < 0) {
- return NULL;
- }
-
- *pid = vfork();
-
- if (*pid == -1) {
- perror("vfork");
- close(pdes[0]);
- close(pdes[1]);
- return NULL;
- } else if (*pid == 0) {
- /* child */
-
- if (*type == 'r') {
- close(pdes[0]);
- if (pdes[1] != STDOUT_FILENO) {
- dup2(pdes[1], STDOUT_FILENO);
- close(pdes[1]);
- }
- } else {
- close(pdes[1]);
- if (pdes[0] != STDIN_FILENO) {
- dup2(pdes[0], STDIN_FILENO);
- close(pdes[0]);
- }
- }
-
- execvp(file, argv);
- exit(127);
- } else {
- /* parent */
- if (*type == 'r') {
- iop = fdopen(pdes[0], "r");
- close(pdes[1]);
- } else {
- iop = fdopen(pdes[1], "w");
- close(pdes[0]);
- }
- return iop;
- }
+ FILE *iop;
+ int pdes[2];
+
+ if (pipe(pdes) < 0) {
+ return NULL;
+ }
+
+ *pid = vfork();
+
+ if (*pid == -1) {
+ perror("vfork");
+ close(pdes[0]);
+ close(pdes[1]);
+ return NULL;
+ } else if (*pid == 0) {
+ /* child */
+
+ if (*type == 'r') {
+ close(pdes[0]);
+ if (pdes[1] != STDOUT_FILENO) {
+ dup2(pdes[1], STDOUT_FILENO);
+ close(pdes[1]);
+ }
+ } else {
+ close(pdes[1]);
+ if (pdes[0] != STDIN_FILENO) {
+ dup2(pdes[0], STDIN_FILENO);
+ close(pdes[0]);
+ }
+ }
+
+ execvp(file, argv);
+ exit(127);
+ } else {
+ /* parent */
+ if (*type == 'r') {
+ iop = fdopen(pdes[0], "r");
+ close(pdes[1]);
+ } else {
+ iop = fdopen(pdes[1], "w");
+ close(pdes[0]);
+ }
+ return iop;
+ }
}