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Code Issues Wiki Activity

Reformat to be Unix format. Check the program

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with pfind() to see if executable.
This commit is contained in:
Alain Magloire 2002-10-17 15:52:34 +00:00
parent e1b17f11c1
commit b968757017
1 changed files with 135 additions and 145 deletions
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36
core/org.eclipse.cdt.core.solaris/library/exec_unix.c
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@ -8,7 +8,7 @@
#include <stdlib.h>
/* from pfind.c */
char *pfind( char *name );
extern char *pfind(const char *name);
pid_t
exec0(const char *path, char *const argv[], char *const envp[],
@ -18,25 +18,20 @@ exec0(const char *path, char *const argv[], char *const envp[],
pid_t childpid;
char *full_path;
//
// Handle this error case, we need the full path for execve() below.
//
if (path[0] != '/' && path[0] != '.') {
/*
* We use pfind() to check that the program exists and is an executable.
* If not pass the error up.
*/
full_path = pfind(path);
//full_path = pathfind (getenv ("PATH"), path, "rx");
if (full_path == NULL) {
fprintf(stderr, "Unable to find full path for \"%s\"\n", path);
return -1;
}
} else {
full_path = strdup(path);
}
//
// Make sure we can create our pipes before forking.
//
if( channels != NULL )
{
/*
* Make sure we can create our pipes before forking.
*/
if (channels != NULL) {
if (pipe(pipe0) < 0 || pipe(pipe1) < 0 || pipe(pipe2) < 0) {
fprintf(stderr, "%s(%d): returning due to error.\n",
__FUNCTION__, __LINE__);
@ -57,8 +52,7 @@ exec0(const char *path, char *const argv[], char *const envp[],
chdir(dirpath);
if( channels != NULL )
{
if (channels != NULL) {
/* Close the write end of pipe0 */
if (close(pipe0[1]) == -1)
perror("close(pipe0[1])");
@ -86,12 +80,9 @@ exec0(const char *path, char *const argv[], char *const envp[],
close(fd++);
}
if( envp[0] == NULL )
{
if (envp[0] == NULL) {
execv(full_path, argv);
}
else
{
} else {
execve(full_path, argv, envp);
}
@ -101,8 +92,7 @@ exec0(const char *path, char *const argv[], char *const envp[],
char b;
if( channels != NULL )
{
if (channels != NULL) {
/* close the read end of pipe1 */
if (close(pipe0[0]) == -1)
perror("close(pipe0[0])");